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Pumps pdf nptel

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Pumps pdf nptel

the hydraulic features of a pump, and more . Viscosity A “star” symbol has been inserted in our illustrative pump performance curve, Figure 1, to indicate the location of the B. In process control today, more than 95% of the control loops are of PID type, most loops are actually PI con-trol. 301 Moved Permanently. Pump: A device which converts mechanical energy from a shaft into hydraulic (pressure) energy of a liquid. Mechatronics in manufacturing, products and design. comFree Engineering Books - list of freely available engineering textbooks, manuals, lecture notes, and other documents: electrical and electronic engineering, mechanical engineering, materials science, civil engineering, chemical and bioengineering, telecommunications, signal processing, etc. Steering Components TroubleShooting Tech Tips Table of Contents Basic Steering System Operation 2 Sector Shaft Adjustments 4 Fuel injection systems (gasoline) Ricardo Pimenta 1050799 Fábio Daniel 1050357 Electric pumps can be found on all types of fuel systems. The function of a pump is to convert mechanical energy into hydraulic energy. By understanding pump performance curves, a dairy operator can quickly compare pumps and find out a) Chapter 4 Turbomachinery 4. K. It is the Sep 5, 2012 Lecture 25: Centrifugal pump: characterisitcs, efficiency, NPSH. Water Explaining. flowcheck_guide_to_pumps. Water hammer causes piping, valves, pipe fixtures, sup-ports, system components, etc. The objectives of the B. Jyh-Cherng Shieh. , API PIPE SUPPLIER, API 5L GR B PSL2, API 5L X60 PSL2, API 5L X65 PSL2, API 5L X65, apispecification. Joint initiative of IITs and IISc – Funded by MHRD Page 1 of 31Metal forging plays an important role in the manufacturing industry. in Mechanical Engineering programme of National Institute of Technology Silchar are as follows: To deliver comprehensive education in Mechanical Engineering to ensure that the graduates attain the core competency to be successful in industry or excel in higher studies in any of the following fields: Thermal Engineering, Mechanical Design, and Manufacturing …NPTEL – Mechanical – Mechatronics and Manufacturing Automation Joint initiative of IITs and IISc – Funded by MHRD Page 5 of 63 The reciprocating pump is a positive plunger pump. For N. 1 The energy equation and the Bernoulli theorem There is a second class of conservation theorems, closely related to the conservation Home » Courses » Materials Science and Engineering » Materials for Biomedical Applications » Lecture Notes Lecture Notes Course Home Vertical & Horizontal Single Stage Pumps - Johnson Pump brand : Single Stage Pumps Multistage Pumps » It will also have the logos of NPTEL and IIT Madras. It is used for many purposes like Maths and computation, data analysis, algorithm development, modelling stimulation and …Under the Swayam scheme it is certain that the ministry and government has launched a free web portal for offering free courses. Understanding Pump and Suction Specific Speeds 2012 Instructor: Randall W. Lecture 9 HYDRAULIC PUMPS [CONTINUED] 1. 1 Contents 1. If the pump station is located at an above ground storage facility, split case centrifugal pumps will be the preferred selection. It will also be e-verifiable on the nptel. It has carved a niche as the most predominant submersible pump and the company is one of the leading suppliers of submersible pumps in India. Please go to our website to order the complete document. for garden fountains) may be magnetically coupled to avoid leakage of water into the motor. ABOUT THE COURSE CONTENTS All the lessons for this course are posted as videos and this completes the content for the course. www. Turbines. Khalil ©Encyclopedia of Life Support Systems (EOLSS) 1. Spiritual Thought Moses 1:33 Centrifugal Pumps • Centripetal forces accelerate fluid and increase pressure. Assistant Professor, Department of EEEMetal forging plays an important role in the manufacturing industry. So, to make the discharge uniform for a single cylinder air Cavitation (from cavity) is defined as the rapid formation and collapse of vapor bubbles or pockets in a liquid, due to dynamic action, and resulting in the formation of cavities on the surfaces of solid boundaries. middle position, it has an open centre. Operating a displacement pump with the discharge valve closed will damage the pump. Estimate the energy and cost savings if the pressure is reduced to 1. pdf by A Pohl - 1733 - Cited by 114 - Related articles NPTEL Handwritten Notes Advertisements These Notes has been made by me after watching NPTEL lectures given by various Professor from different IIT’s and IISC. The most common posi-tive displacement pump is the diaphragm pump used to pump chlorine and fluoride solutions. Magnetically coupled pumps Small centrifugal pumps (e. So, the procedure to follow to determine this pump’s specific speed would be to: 1. 6 MECHANICS OF INCOMPRESSIBLE FLUIDS 6. Extraction-condensing-steam-turbine-pdf. 105101005: Civil Engineering: Soil Dynamics: Dr. Centrifugal pump. This arrangement is called parallel arrangement. in/bitstream/10603/40703/8/08_chapter3. It is designed for both experts and non-experts in the forging industry. 1 Introduction i. MATLAB is a high-performance language for technical computing with powerful commands and syntax. NPTEL ONLINE COURSES AND CERTIFICATION A project of NPTEL Under NMEICT, MHRD . Water turbines: Convert hydraulic energy to mechanical energy and mechanical energy is used to drive generators that develop electricity. With constant flowrate the combined head moves from 1 to 2. 2 Hydrostatic Force on a Plane Surface 6. g. Used to convert between hydraulic and mechanical energies. Profile of screws is selected in a way for the pump injection zone to be isolated from the suction zone. Plot to determine value of K 26 9. (FMI) was established in 1976 as a distributor for Allis-Chalmers (AC) centrifugal pumps and parts. subjectId Discipline Name Subject Name Coordinators Type Institute; Content. 1 Positive Displacement Pump A pump is a machine used to displace fluid. ¾Dynamic friction depends on gap and fluid viscosity. This allows the pump to vent to tank in the neutral position so saving energy and wear and tear on the pump. 3(2+1) Groundwater, Wells and Pumps V IDE -354 3(2+1) Drainage Engineering Irrigation and Drainage Engineering1 Buy Irrigation Engineering & Hydraulic Structures eBook By S. The disadvantage of an open centre is that you lose the system pressure so nothing else can be used from with pump. 2/21/2015 · Willie Soon, a prominent global warming skeptic, says “no amount of money can influence what I say or do or research or write. Lecture 25: Centrifugal pump: characterisitcs, efficiency, NPSH. PIPELINE ENGINEERING FLUID FLOW Mechanical Energy Balance gz vdp V ∆∆++WFo ⎛ ⎝ ⎜ ⎜ ⎞ ⎠ ⎟ ∫ ⎟=−∑ 2 2 (1-1) potential energy expansion work Kinetic energy Work added/ Sum of friction change change subtracted by losses compressors or pumps/expanders Note that the balance is per unit mass. These are mainly classified into two categories: Non-positive displacement pumps; Positive displacement pumps. Shaft Dia. Efficiency of pump. ac. Work Done by Pump Impeller NPTEL Online-IIT Kanpur. They are defined for their different functions, but their working principle is the same. ac. In association with NASSCOM . Cargado por urs4everrr. Liquid is forced out of the pump by the energy it obtains from the rotating impeller. of a pump beingproposed, S. Selecting a pump 20 This tutorial is intended for anyone that has an interest in centrifugal pumps. HYDRAULIC CIRCUIT DESIGN AND ANALYSIS A Hydraulic circuit is a group of components such as pumps, actuators, and control valves so arranged that they will perform a useful task. Walter Umrath with contributions from Screw pumps are the only type of pumps which are different from other rotary displacement pumps because of the axial flow of the fluid through their pumping elements. NPTEL – Mechanical – Mechatronics and Manufacturing Automation Joint initiative of IITs and IISc – Funded by MHRD Page 1 of 63 Module 5: Hydraulic Systems . 2 to 16. Download as PDF, TXT or read online from Scribd. Russ Finley provides a list of 5 common reasons why drivers prefer ethanol-free over E85. In order to be efficient, the pump has to provide simultaneously a finite pumping speed and compression. Pressure Speed 14. a) Reciprocating types 13 13 1. There is no math, just simple explanations of how pump systems work and how to select a centrifugal pump. Selection of a suitable water lifting device for a particular situation depends on: The characteristics of the source of water and the lifting device. Net positive-suction head (NPSH). Driver/Operator 1B September 2003 Slide 2-5-3 NFPA 1911 Must be able to develop 22" Hg PRIMING METHODS AND DEVICES Windmill driven water pump for small-scale irrigation and domestic use in Lake Victoria basin Sara Salomonsson Helena Thoresson Introduction | 2 1. Reliable Pipes & Tubes Ltd. 5 Stability of a Vessel 6. should be the interested, further study should be made . hydraulic drives have a considerably lower power and performance of mineral dressing jigs. Running locomotives (electric trains) of railways. These seals are generally used in sewage applications and waste water pumps. 1 Gear pump Joint initiative of IITs and IISc – Funded by MHRD Page 11 of 63 NPTEL – Mechanical – Mechatronics and Manufacturing Automation 2. 6. Nptel pdf , Free Cooling And Heating Load Calculations Nptel Ebook Download , Free Cooling efficiency while in the heating mode and is applied to heat pumps, of The new line of hydraulic cylinders and helm pumps can handle many different applications, from outboard steering to inboard systems. Tech. Sinalizar por conteúdo inapropriado. Grundfos for Engineers is designed to support you in specifying pumps and enhance your expertise by delivering industry knowledge, insights on system design, as well as cases, films, tools and more. In the hydrologic cycle, atmospheric water reaches the earth=s surface as precipitation. pdf Free Download Here L26 & L27: Gear pump and performance curves; rotary vane pump and characteristics; screw pump. Effect of speed reduction on pump characteristics 25 8. Suresh A Kartha, Department of Civil Engineering, IIT Guwahati. 00 Pump cavitation is caused by the reduction in system heads. It contains a bronze bellow containing liquid alcohol. CHAPTER 7 PUMPING Transport of water from low sources to elevated tanks or from low sources to directly consumers is accomplished by the help of pumps. A Review on Speed Control Techniques of Single Phase Induction Motor Atul M. A pump is a device used to move fluids, such as liquids or slurries. As the engine starts, the impeller turns which forces the water around it out of the pump's discharge port. 8 again shows two independent curves. com TABLE OF CONTENT pump that will produce the required head and flow at the optimal point. Details of pump types 5 6. The vast majority of pumps used today are of the centrifugal type. This results in over fueling at higher speeds. Jet pumps cannot pump from such low intake pressures, especially when less than the cavitation pressure. Visser Flowserve Pump Division Etten-Leur, The Netherlands Tutorial Presented at 2005 ASME Fluids Engineering Division Summer Conference, June 19-23,,, , , 2005, Houston, Texas, USAClassifications of Pumps Selecting between Centrifugal Pumps and Positive Displacement Pumps . Operating a pump at low flow conditions for an extended duration may also have damaging consequences for the equipment. This limit is the key consideration for Net Positive Suction Head. in Mechanical Engineering programme of National Institute of Technology Silchar are as follows: To deliver comprehensive education in Mechanical Engineering to ensure that the graduates attain the core competency to be successful in industry or excel in higher studies in any of the following fields: Thermal Engineering, Mechanical Design, and Manufacturing …Baixe no formato DOCX, PDF, TXT ou leia online no Scribd. These pumps have a disadvantage of small leakage due to gap between gear teeth and Evaluate the discharge parameters of gear, vane and piston pumps. , jerk type and distributor type. Know-how, expert insights and engineering tools to ease your day. in Single stage centrifugal pumps are the most common pump for fluid transfer in high flow rate, low pressure installations. . Subramanian, INDIANPTEL – Chemical Engineering – Chemical Engineering Design - II. To get the most out of Intro to Pumps check out the full series: Boiling Water Reactor (BWR) Systems the condenser with a series of pumps and back to the reactor vessel. Principles of Electrical Grounding John Pfeiffer, P. Using the pipe shown above with length L = 20,000 feet, the following chart illustrates the effects over time of instanta- Overseas Business Department Hamamatsucho Seiwa Bldg. Pulp & Paper. iii) The third method is by creating a vacuum in the suction vessel and this method of suppression test is widely used for testing process pumps since pumps in processspecific speed Ns is the same for both pumps at the optimal point. pdf. In this eBook, we will explain you all aspects of metal forging. In some cases, the irrigation water source lies below the level of the irrigated fields. will be in the . Garg PDF Online. There are about 8,000 gas stations offering ethanol free gasoline and only about 1,200 offering E85. Function of prokaryotic and eukaryotic ABC proteins in lipid transport www. in/noc website. The first company in Europe to produce cryogenic reciprocating pump for liquefied air gases with the DPD range. specifically of a pump’s impeller(s). 2 Hydraulic components The principles of the hydraulic components are common for most centrifu-gal pumps. on specific speed, but rather a basic overview. Whitesides, PE Calculate the pump specific speed from Equation 1 with these determined Centrifugal Pump Control Bulletin 1 Glossary º By-pass or recycle flow - is the amount of process fluid taken f rom the pump discharge pipe that is returned to the suction source instead of being piped into the normal process stream. Introduction to pavement design nptel PDF results. Mechatronics and Manufacturing Automation Web course COURSE OUTLINE NPTEL Definition of mechatronics. 72%; 2. pdf High recovery jigs Publication - Royal IHC. 1. ) Mechatronics,In this article, the author describes basic image processing using MATLAB software. e. , 4-8, Shiba-Daimon 1-Chome, Minato-ku, Tokyo 105-0012 JAPAN suppliers and power steering pumps for automobiles. The procedure is to first calculate the specific speed of the pump using the flow and head at the optimal conditions. : 0032(0)11/64 42 80 Download Sprinkler Irrigation Engineering From Nptel Pdf , Download Work Done by Pump Impeller NPTEL Online-IIT Kanpur. L2a: Fundamentals of Vacuum Science and Technology. To understand the occurrence of cavitation, it is important to remember that a liquid will vaporize •Centrifugal Pumps •Regenerative Pumps: Unique pump where the impeller is the only moving part. ” If recently released documents are accurate, he is a liar. ‘Tombstone’ curves for the selection of pumps by duty 23 7. Nagulapati Kiran, M. Mass Transfer Diesel Fuels Technical Review Diesel Fuels Technical Review Chevron Products Company Recycled/Recyclable paper 10M CBRES IDC 4332 06/07 Recycled/recyclable paper Timken Tapered Roller Bearing Catalog - Timken Company Hydraulic pumps Relief and unloading valves (continued) Directional control valves (continued) Slip-in cartridge valves Infinitely variable (proportional) valves CHAPTER 6 WASTEWATER TREATMENT PROCESSES pumps because of the depth of the influent line. It was an es-sential element of early governors and it became the standard tool when process control emerged in the 1940s. These pumps have a disadvantage of small leakage due to gap between gear teeth and Module 7: Energy conservation. • Soft starting and stopping to minimize surges in water mains. Like your refrigerator, heat pumps Hydroelectric power comes from water at work, water in motion. electrical turbo-generators. At low speeds, the engine tends to stall due to insufficiency of fuel. fans and pumps. 11 Pump Performance Curve Pump performance characteristics are first analyzed independently of the rest of hydraulicMECHANICAL ENGINEERING: M-R Machine Design, Machining & Milling ~ Materials Hardness Mechanics of Solids (Fracture Mechanics, Elasticity, Fractography, etc. Cavitation can also be destructive to pumps internal components. A cavity opens and fluid is admitted through an inlet. DEFINITION OF SPECIFIC SPEED . Pumped storage machines Reversible pump turbines, Ternary sets and Motor-generators Hydraulic Fluid Filtration and Contamination Control Presented by: Ernie Parker Fluid Power Engineering Technology Instructor . Abstract: This is a discussion of the basic principles behind grounding systems and how grounding is related to safety and the effective operation of circuit protection devices such as fuses and circuit breakers. You can ensure product safety by selecting from certified suppliers, including 27 with ISO9001, 9 with Other, and 6 with ISO14001 certification. or “radial flow impellers. National Taiwan University 27 Nov 2013Pumps. NPTEL provides E-learning through online Web and Video courses various streams. A centrifugal pump is a rotodynamic pump that uses a rotating impeller to increase the pressure and flowrate of a fluid. Its a positve displacement pump. pump makes a rattling or knocking sound along with vibrations, it is cavitating. Chapter 9: Pumps, Compressors and Turbines 9. Granula Tion. How to Read a Pump Performance Curve. Net Positive Suction Head (NPSH) NPSH can be defined as two parts: NPSH Available (NPSH A): The absolute pressure at the suction port of the pump. Cavitation degrades the performance of a pump, resulting in a fluctuating flow rate and discharge pressure. The pumping system consists of a housing (1), an eccentrically installed rotor (2), vanes that move radially under spring force (3) and the inlet andoutlet (4). pumps used are sand pumps, submersible slurry pumps, shear pumps, and charging pumps. Rotary vane pump is a vacuum pump. moves to the outer diameter of the impeller. heat pumps offer an energy-efficient alternative to furnaces and air conditioners. 2 Pioneering Science and Technology Office of Science U. A boiler feedwater pump is a specific type of pump used to pump Feedwater pumps range in size up to many horsepower and the electric motor is usually separated NOTES ON THE THEORY OF CENTRIFUGAL PUMPS. Introduction . These values are for correctly sized pumps, if a pump is oversized or poorly designed its efficiency may be much lower than the values quoted below, this is particularly common in small pumps. Positive-displacement (PD) pumps have a moving boundary which forces fluid along by volume changes. in/courses/Webcourse-contents/IIT-KANPUR/machine/ui/ Pumps. Or if large quantity is required then many pumps operate with same pressure ratio and the discharge is fed to a common pipe. pumps are generally used viz. Lengthy and far reaching studies and tests were carried out in he IHC-Radial Jig, which combines Good pulp distribution over the total jig area. Centrifugal Pumps (Roto-dynamic pumps)In practice, if one of the pumps in parallel or series stops, the operation point moves along the system resistance curve from point 3 to point 1 - the head and flow rate are decreased. In practice the combined head and flow rated moved along the system curve to 3. Pumps with counterclockwise rotation (S) have a Computation to determine Pump Speed and Plunger Speed Q = A ×m ×n ×s ×6×10-8 Sp = s × n / 30,000 From Pump Handbook, 3 rd edition, pages 3. Some of this Types of Centrifugal Pumps and how they work including Long-Coupled, Close-Coupled, Self-Priming, Straight, Multi-Stage, Types of Centrifugal Transfer & Sprayer Pumps & more. Pump Division Flowserve Pumps IDP Pumps Cavitation in Centrifugal Pumps and Prediction Thereof FkCViFrank C. 4 3 A 2 1 A A s H N Q N = Suppose point B is the required operating point defined by the system. Jet pumps typically have lower efficiency and higher energy costs. 847-725-0580. 6 Where Q = displacement, m 3/h Sp = plunger speed, m/s A = cross-sectional area of plunger, mm 2 M = number of plungers n = rpm of pump s = stroke of pump, mm Preselected Plunger Bore and Stroke For any pump the NPSH required for a design performance is a function of the type of pump, the liquid characteristics, the system pressure-temperature conditions, the capacity and the operating speed. pumps, fans, and compressors, and those that produce energy such as turbines by expanding to lower pressures. J. Cavitation reduces a pumps performance and will damage the pump. Lecture 1 . Title: engineering drawing nptel - Bing Created Date: Hydraulic pump pdf products are most popular in North America, Southeast Asia, and South Asia. Documents Similar To Pumps and Pumping Systems. klmtechgroup. ME 4232 - Lecture Notes (Fall 2015) Class Material Class 1: Introduction to Fluid Power Lecture 6: Pumps and Motor This article is part of Pumps 101, an eleven-part series of articles designed as an introduction to the fundamentals of centrifugal pump design, selection, and application. 75 ence at various angles, we must consider the tangential velocity of the water and deal with it as distinct from the velocity of the runner. For those who want to do detail calculations, some examples have been included in the appendices. • Unequal sized pumps can operate in parallel. 1 RECIPROCATING PUMP SELECTION AND APPLICATION INTO THE SYSTEM Following figures show cross sectional drawing for typical of reciprocating pumps. Headquartered in Monroe, Louisiana, the business has grown to service all industry segments for most manufacturers of centrifugal pumps and parts for all major brands. Suction stroke is the place where the water is sucked in from the ground and delivery stroke is the place where the sucked water is delivered to the required place. 0 SELECTION OF PUMP TYPE AND PUMP 4. the pump station and intake structure are to be located within a surface or underground reservoir, vertical turbine pumps with the column extending down into the reservoir or its suction well will be a logical choice. The energy of the fluid can be sensed from the pressur and velocity of the fluid at the delivery end of the pump. Pumps with clockwise rotation (D) have a drive gear which turns clockwise, with the suction port on the left and the pressure port on the right. These show the Measurement of the characteristics of a centrifugal pump University Duisburg-Essen Faculty of Engineering Sciences Department of Mechanical Engineering Turbomachinery Pump Selection and Sizing Rev 03 – K Kolmetz (ENGINEERING DESIGN GUIDELINE) Co Authors Rev 01 - A L Ling Rev 02 – Viska Mulyandasari Karl Kolmetz KLM Technology Group is providing the introduction to this guideline for free on the internet. DPump: The shaft toque (the torque that the shaft applies to the rotor) and the rotation of the rotor are in the same direction, energy is transferred from the shaft to the rotor and from the rotor to the fluid. If Spreadsheet Templates This template provides a range of calculations useful for selecting and sizing centrifugal pumps, and includes data sheets for pumps and In pumps of this type medium is pumped by means of screw operation (single-screw pump), or several screws being in engagement, if the question is of multiscrew pumps. Fig. Method of classifying pumps 2 3. Reciprocating pump consists of "suction stroke" and a "delivery stroke". pdf · http://nptel. specific speed, coupled with modeling laws and . 7 Viscosity of Fluid 6. Figure 5 Now 1st of all, what is the working principle of gear pump, while considering the operation of external gear pump it is common mistake, it is common mistake to assume that the fluid flow occurs through the centre of the pumps where teeth of machine gears comes in contact. Visser Flowserve Pump Division Etten-Leur, The Netherlands Tutorial Presented at 2005 ASME Fluids Engineering Division Summer Conference, June 19-23,,, , , 2005, Houston, Texas, USA 4. In the previous lecture we have studied the gear pumps. Many of the major components, including pumps and steam drums, are located within a concrete shield to protect operators against the radioactivity of the steam. Some call it slippage as the pump discharge pressure slips and flow becomes erratic. continuous flow (MCF) should be maintained during the pump operation. ibpc. Running motors, furnaces of various kinds, in industries. Turbines can be condensing or non-condensing types depending on whether the back pressure is below or The water table slopes towards the river because groundwater is continually being drained by the river. Cooling Systems of IC Engines Hose Link Bronze bellows contracted when alcohol is in liquid state Butterfly valve Figure 5. UNIT- V PUMPS. ppt PUMPS - TYPES & OPERATION Fluid Mechanical Engineering Home >Courses > ME4232. Pumps. Compressible • Axial-flow, Mixed-flow, Radial-flow geometry • Single stage. pumps pdf nptelA rotodynamic pump is a kinetic machine in which energy is continuously imparted to the . File type: PDF . iitm. Pumps are always defined by the basic pump characteristic curves (Fig 1). 112101001: Mechanical Engineering: Second Level Course in A plunger pump is a type of positive displacement pump where the high-pressure seal is stationary and a smooth cylindrical plunger slides through the seal. S. This type of Mechanical seal can be used regardless of direction of rotation, this is because the acting torque is not transmitted through the coils. UNESCO – EOLSS SAMPLE CHAPTERS ANCILLARY EQUIPMENT AND ELECTRICAL EQUIPMENT – Hydraulic Aspects in Design and Operation of Axial-Flow Pumps - Helmut Jaberg PUMP QUESTIONS AND ANSWERS Covering the Construction, Application, Operation, CHAPTER 11 REGENERATIVE PUMPS by V. pdf Energy Conservation in Pumps. Specific speed is the speed in RPM at which a pumps are rotodynamic devices where fluid energy is exchanged with the mechanical energy of a rotating element (called a runner in turbines and an impeller in pumps), with a further conversion to or from electrical energy. They are suitable for either the small/medium pleasure boats or the larger commercial applications. The term GRUNDFOS FOR ENGINEERS. Spur Gear This is a cylindrical shaped gear in which the teeth are parallel to the axis. Centrifugal Pumps The centrifugal pump produces a head and a flow by increasing the velocity of the liquid through the machine with the help of a rotating vane impeller. Locate the point of best hydraulic efficiency: . NAKAYAMA - Introduction to Fluid Mechanics pumping machinery ancient and pdf Pumps operate by some mechanism (typically reciprocating or rotary), and NPTEL This instrument consolidates with amendments Applications of MEMS and NEMS MEMs andNEMs devices are everywhere. The centrifugal pump is a relatively high speed machine and the development of high speed drivers has made possible the development of compact, efficient pumps. The Massive open online courses or MOOC’s are developed with an aim to cover multiple topics. Cooling Systems of IC Engines Types of Water Cooling System There are two types of water cooling system : Thermo Siphon System In this system the circulation of water is due to difference in temperature (i. So, to make the discharge uniform for a single cylinder air pumps are also called positive displacement pumps. The inlet valve is designed as a Characteristic curves of centrifugal pump Fratišek Hovorka, Michal Kordač I Basic relations and definitions Centrifugal pumps are mai used for transport of liquids. pumps pdf nptel Many pump designers see specific speed as the most important contributor to centrifugal pump design. Since the global marketplace demands total customer The new line of hydraulic cylinders and helm pumps can handle many different applications, from outboard steering to inboard systems. Chemical Engineering 374 Fluid Mechanics Pumps. For two identical pumps in series the head will be twice the head of a single pump at the same flow rate. NPSH, NPSHr & NPSHa Definition. Vacuum refers to a state where the pressure is lower than that of its sorrounding atmosphere (usually ~105 Pa or 760 torr). Then a pump must be used to supply water to the irrigation system (see Fig. In differential form gdz vdp VdV W F Understanding Process Vacuum Condensers Process vacuum condensers are an integral part of a vacuum system So often, a process vacuum condenser is considered stand-alone equipment, with little consideration given to how best to integrate it into a vacuum system. List t Centrifugal Pumps. Pumps: Convert mechanical energy (often developed from electrical source) into hydraulic energy (position, pressure and kinetic energy). A rotodynamic pump is a device where mechanical energy is transferred from the rotor to the fluid by the principle of fluid motion NPTEL · Civil Engineering; Advanced Hydraulics (Video); Pumps - 1 Watch on YouTube; Video; Video Download; Full Video Download; PDF Download Classification of Hydraulic Pumps. 06 Irrigation System Design a) General A properly designed irrigation system addresses uniform irrigation application in a timely manner while minimizing losses and damage to soil, water, air, plant, and animal resources. 3 cm 3 /rev. 2 System Characteristics In a pumping system, the objective, in most cases, is either to transfer a liquid from a source to a required destination, e. In the design of pumping stations stand-by units must be provided (therefore, water supply is not affected in case of breakdown or during repair. in Mechanical Engineering programme of National Institute of Technology Silchar are as follows: To deliver comprehensive education in Mechanical Engineering to ensure that the graduates attain the core competency to be successful in industry or excel in higher studies in any of the following fields: Thermal Engineering, Mechanical Design, and Manufacturing …. pdf Heating and Cooling with Solar Powered Peltier Elements - the next generation of heat pumps? Alexandra Thedeby 2014-05-19 basic types of pumps, positive-displacement and dynamic or momentum-change pumps. Multi-stage Introduction to Turbomachinery Pumps Other components Pipe supports & anchors System isolation philosophy Constructability and maintainability Structures Instrument air - source & materials Concrete design Sampling & testing requirements Steel design where Q = Rate of heat transfer between the system and the surroundings (+ into the system); W Home » Heat & Cool » Heat Pump Systems. If a lower flow rate or a higher pressure is needed over what a single stage centrifugal pump can provide, a multistage centrifugal pump is a better suited alternative. as a means of heat transfer in heat exchanger. 5. Pump head-flow curves are typically given for clear water. Flag for inappropriate content. Centrifugal pump Pump Curves Pumps can generate high volume flow rates when pumping against low pressure Service track records for pumps kept by your company’s service technicians or product distributors could be an excellent source of double-checking your header design is not actually generating cavitation (i. of water per second from its periphery. a) Reciprocating types Centrifugal pump in series are used to overcome larger system head loss than one pump can handle alone. NPTEL Syllabus. You are here: Home > Technology > Distinction between multistage pump and single stage pump Distinction between multistage pump and single stage pump 1、 single stage pump refers to only one impeller pump, highest head is only 125 meters; Cavitation in a centrifugal pump has a significant effect on pump performance. difference in densities) of water. Temp. Lecture 1. Consider a runner, full of water, discharging W lbs. Designers use . Title/Notices Uploading Date; NIQ- Split Type Furnace, USCT: 16-01-2019: NIT - Supply and Installation of Lab Equipment for CEPS: 15-01-2019: CORRIGENDUM - Tender for providing Sanitation / Housekeeping ServicesFree Engineering Books - list of freely available engineering textbooks, manuals, lecture notes, and other documents: electrical and electronic engineering, mechanical engineering, materials science, civil engineering, chemical and bioengineering, telecommunications, signal processing, etc. SECTION 6 FLUID MECHANICS, PUMPS, PIPING, AND HYDRO POWER Part 1 Fluid Mechanics HYDROSTATICS 6. Figure 2: Flow near rough and smooth walls may be laminar or turbulent (or an unsteady mix of both) depending on the specific circumstances involved. and 5% reduction in TDH will be considerable and result in pumps that have considerably different NPSHr curves even though they GROUPING OF PUMPING STATIONS. Hydrodynamics of Pumps Christopher E. 8 Application of Bernoulli’s Theorem 6. UNIT-V (12 Lectures)) leo pumps europe nv leo baekelandlaan 5209, 3900 overpelt, belgium. The momentum produces an increase in pressure or flow at the pump outlet. Centrifugal Pumps. • A 150hp compressor runs 90% loaded 12 hours per day 5 days per week at a delivery pressure of 110psi. Centrifugal pumps are the most common type of pump used to move liquids through a piping system. This tutorial answers the following questions:Flowserve Pumps IDP Pumps Cavitation in Centrifugal Pumps and Prediction Thereof FkCViFrank C. In some cases an additional pressure behind the impellers to the point that the (booster) pump, in series with a main pump, may water vaporizes. The reason is that the specific speed of a pump is independent of size. Joint initiative of IITs and IISc – Funded by MHRD Page 1 of 31A Basic Tutorial on Computer Simulation of Phase Controlled Rectifiers Using PSIM . Head Vs Flow Curve : H-Q Curve 2. in Mechanical Engineering programme of National Institute of Technology Silchar are as follows: To deliver comprehensive education in Mechanical Engineering to ensure that the graduates attain the core competency to be successful in industry or excel in higher studies in any of the following fields: Thermal Engineering, Mechanical Design, and Manufacturing …NPTEL – Chemical Engineering – Chemical Engineering Design - II. MECHANICAL PUMPS In mechanical pumps, the gas present in a vacuum system is transferred from a low pressure to a higher pressure region. pump cavity Uses Testing Drafting. Insulation in Electric Submersible Pumps (ESP) units for artifi cial lift † Motor Magnet Wire Insulation DuPont High Performance Materials Learn how to read a centrifugal pump curve by breaking it into 8 simple parts. 4. 1 Positive displacement pumps These types of pumps are built as reciprocating, or as rotary machines. pumps or electric motor shaft. 10 Typical Centrifugal Pump Performance Curve Glutton Pump The generic name of the pump described in this module is a plunger pump and the trade name is Glutton™. Instead the torque is driven along the rubber bellow which fits on the shaft. pump or a turbine occurs by interaction between moving rotor blades and the fluid. D. Module 7: Energy conservation. 3 Hydrostatic Force on a Curved Surface 6. Y. 7 shows the Bellow type thermostat valve which is generally used. com Engineering_Design_Guideline__Pump_Rev3. filling a high level reservoir, or to circulate liquid around a system, e. Department of Bio-Industrial Mechatronics Engineering. Chapter 12 Pumps and. Only centrifugal pumps are discussed here. Bhasme2 This is a characteristic of centrifugal pumps and fans. 1 Classification of pumps There are two main types of pumps used in the pumping of liquids, including water, namely: 1) Positive displacement pumps; 2) Rotodynamic pumps. 4 3 B 2 1 B B s H N Qgle pumps of groups 05−100−200−300 (corresponding to the common group denominations: 05−1−2−3) and several com-binations of double pumps, triple pumps, and so on, that can be assembled together according to versions of displace-ment, flanging, and auxiliary valves indicated in this catalo-gue. Both the arrangements are often used in industrial application. nginx Fluid Machinery, Inc. GUIDE TO THE SELECTION OF ROTODYNAMIC PUMPS . The outlet valve is oil -sealed. National Taiwan University NPTEL – Mechanical – Mechatronics and Manufacturing Automation Joint initiative of IITs and IISc – Funded by MHRD Page 5 of 63 The reciprocating pump is a positive plunger pump. when your branches extend down inside the main supply header) by interfering with flow and generate eddies that cause air to come out 16-11 Hydrostatic Bearings • Squeeze film damping greatly affects the dynamic stiffness. Rotodynamic Pumps. FUNDAMENTALS OF FLUID MECHANICS Chapter 12 Pumps and Turbines Jyh-Cherng Shieh (pump) as a result of dynamic interactions between the device and the fluid. FLUID MECHANICS. Indication of head and flow coverage of basic pump types 22 6. ordinateur et ces peripheriques de l’ordinateur kt welding ava movie formula bmw fb023 2scr rhhtg codigo civil argentina 2014 certifikat vyfuk nissanSanta Clarita (Ca), United States; Phoenix (Az), United States; Iquitos, Peru; Phoenix | United StatesThere are about 8,000 gas stations offering ethanol free gasoline and only about 1,200 offering E85. Module 7: Energy conservation. Pump PracticeProblems. A rotodynamic pump is a device where mechanical energy is transferred from the rotor to the fluid by the principle of fluid motion NPTEL · Civil Engineering; Advanced Hydraulics (Video); Pumps - 1 Watch on YouTube; Video; Video Download; Full Video Download; PDF Download Classification of Hydraulic Pumps. The increased popularity of centrifugal pumps is due largely to the comparatively recent development of high speed electric motors, steam turbines, and internal combustion engines. It can be very damaging to the provide the additional head when necessary (see pump. 31. Chapter 10 Bernoulli Theorems and Applications 10. Net positive-suction head Vane Pumps. 4, 3. PumP classification Hydrodynamic (or) non-positive displacement pumps Hydrostatic (or) positive displacement pumps pump. this site contains information useful for mechanical engineers and to students appearing for mechanical gate examinations. 2. To overcome this, injector pump governors are generally used. Powers - Lecture notes on thermodynamics type piston pumps based on the proven technology and reliability of Yuken's "A series/AR series" piston pumps. Fluid Pump or Hydraulic Pump is a machine which transfers the energy from its moving parts to the fluid passing through the machine. Let w be the angular velocity of the runner. Deepankar Choudhury: Video referring to water systems, water hammer. Centrifugal pumps Pumps(4) Valves(4) Hydrocyclone(2) Preamble What - nptel. These pumps . So in this system pump is not required but water is circulated because of density difference only. to suffer the added strain of dynamic loads. Sedimentation Tank Design Nptel. Programmable Logic Controllers Introduction to PLCs Electrical & Computer Engineering Dr. Hydraulic Pump/Motor Division Hydraulic Pump Basics Hydraulic Pump Purpose : Provide the Flow needed to transmit power from a prime mover to a hydraulic actuator. Introduction The controlled movement of parts or a controlled application of force is a common Rotodynamic Pumps A rotodynamic pump is a device where mechanical energy is transferred from the rotor to the fluid by the principle of fluid motion through it. There are 15 to 20 MEMs devices for every person in North America inkjet-printer cartridges accelerometers miniature robots microengines locks inertial sensors microtransmissions micromirrors micro actuators gyroscopes optical scanners fluid pumps transducers chemical sensors If the pressure ratio is high then the pumps are placed in series with each other. 2 Lobe Pump Figure 5. Bearings for PumPs and ComPressors 5 As a global supplier to world leading pumps and compressors manufacturing companies, NSK has the experience and understanding of helping its customers to manage their costs and improve production effi ciencies. NPTEL Video Course - Aerospace Engineering - Introduction to Aerospace Propulsion Second law of thermodynamics, heat engines, refrigerators and heat pumps, Kelvin RECIPROCATING PUMP. The fluid in screw pumps moves between the screw threads and is displaced axially as the screws rotate and mesh. However, the external gear pump uses two identical gears rotating against each other -- one gear is driven by a motor and it in turn drives the other gear. •Review different pump types commonly used •Understand the difference between centrifugal pumps and positive displacement pumps •Understand the working principle of the Tuthill NET POSITIVE SUCTION HEAD and Cavitation in a Centrifugal Pump. Posted: 4/17/2014. Pump characteristics showing various impeller diameters 21 5. AND . also this site contains some ebooks for budding mechanical engineers . The energy transferred from the Pump to the fluid appears as the pressure and velocity of the fluid. , Ltd. 1 Practical course Turbomachinery Measurement of the characteristics of a centrifugal pump University Duisburg-Essen Faculty of Engineering Sciences water turbines. SalvarGUIDE TO THE SELECTION OF ROTODYNAMIC PUMPS . 2 Buoyancy and Flotation 6. recirculation systems and central pumping stations of fish farms, pumps to catch subsurface water are used as shown in Figure 4. Comparisons Between Rotary and Centrifugal Pumps Rotary Centrifugal Max. engineering drawing nptel - Bing - Electrical NPTEL Civil NPTEL Computer Science Engineering Drawing Basics NPTEL IIT Kharagpur. A rotary vane vacuum pump is an oil-sealed rotary displacement pump. P. Gerbereux, Centrifugal Pump Division 187 The table below provides some typical efficiency values which may be used for power requirement estimation for a selection of pump types. in Open document Search by title Preview with Google Docs . 2 SCC-Vi Agroforestry Vi Agroforestry Programme (ViAFP), or Vi-skogen as the organization is known in Sweden, is working with educating farmers in the Lake Victoria basin in East Africa. These pumps have a disadvantage of small leakage due to gap between gear teeth and Sep 5, 2012 Lecture 25: Centrifugal pump: characterisitcs, efficiency, NPSH. Since the global marketplace demands total customer BASIC HYDRAULIC SYSTEMS AND COMPONENTS Subcourse Number AL 0926 pumps and for ground checks of the hydraulic system. d y n a m i c s. Net positive-suction head Evaluate the discharge parameters of gear, vane and piston pumps. Tech . Centrifugal Pump Characteristic Curve For an Operations Engineer who is working in a Chemical Process industry or a Process engineer who is involved in Hydraulic calculations understanding the Centrifugal Pump Performance Curve is an important aspect. Common practice has the vacuum condenser specified as just another heat exchanger. Positive-displacement pumps can pump from a low BHP (< 100 psi) in the absence of gas interference and other problems. ” The N . Vane Pumps. Disassembly and assembly requires expertise and knowledge of the procedures, therefore the work must be carried out by qualified personnel. Note that for two pumps with equal performance curves running in parallel. deP. Y2 PUMPS. height can increase, but there’s still a physical limit to pump operation based on pressure external to the pump. NPTEL ONLINE CERTIFICATION. FLUID MECHANICS. Recall from the previous module on heat exchangers that large steam condensers usually subcool the condensate to less than the saturation temperature, called condensate depression, to prevent cavitation in the condensate pumps. A schematic of a centrifugal pump is shown below. Jackson Lecture 1-2 Outline • Introduction • Definition and History of the PLC • Example PLCs • Overall PLC System • PLC Advantages and Disadvantages In centrifugal pumps, the fluid enters along the centerline of the pump, is pushed outward by the rotation of the impeller blades, and exits along the outside of the pump. Net positive-suction head NPTEL provides E-learning through online Web and Video courses various streams. NJ1, 06/2005) NJ6-1 NJ652. E. Centrifugal pump . scribd. S . Test pumps pressure test pumps ridgid tools uk, Ibm power system s814 server ucg technologies, Submersible Water Pumps - Shakti submersible water pump is in high demand due to its innovative mechanical design and impeccable quality. Valve Closing Time With this information, it is now possible to calculate valve closing time to prevent maximum surge. Knowledge of characteristic nly curves of centrifugal pumps provides us with information about operating efficiency and can help us with selection of a suitable pump. When cavitating, the pump not only fails to serve its basic purpose of pumping the liquid but also may experience internal damage, leakage from the seal and casing, bearing wide array of vacuum pumps and aftermarket services to Fundamentals of Vacuum Technology revised and compiled by Dr. It is the 5 Sep 2012 Lecture 25: Centrifugal pump: characterisitcs, efficiency, NPSH. The amount of water to be lifted. pumps are positive displacement pumps whereas centrifugal pumps and submersible pumps are rotodynamic pumps. This makes them different from piston pumps and allows them to be used at higher pressures. It is used when high head and low flows are required. pdf27 Mar 2010. other tools such as the affinity laws to fix curve shape, predict theoretical efficiencies, HP’s, etc. A pumping station. HYDRAULICS AND HYDRAULIC MACHINERY pumps-pumps in series and parallel- performance of pumps-characteristic curves- NPSH-cavitation. Descarga. Rotodynamic Pumps . It has the largest applications and, also, it is the easiest to manufacture. Gajare1, Nitin R. A reciprocating pump is a class of positive-displacement pumps which includes the piston pump, plunger pump and diaphragm pump. Vane Pumps. Chapter 6 Irrigation System Design Part 652 Irrigation Guide (210-vi-NEH 652, IG Amend. Brennen California Institute of Technology associated with pumps. NPSH ROTARY (VANE) VACUUM PUMP . Pumps Dynamic Pumps Displacement Pumps End Suction Centrifugal Split Case Vertical Turbines Special Cooling Systems of IC Engines Types of Water Cooling System There are two types of water cooling system : Thermo Siphon System In this system the circulation of water is due to difference in temperature (i. It allows the use of existing design and test data in the design of higher and lower flow pumps of similar design. http://shodhganga. Bellow is connected to the butterfly valve disc through the link. Pumps. The PID controller is the most common form of feedback. Pump cavitation is caused by the reduction in system heads. Generally, is used to increase the pressure of a liquid adding energy to the hydraulic system, to move the fluid of a zone of smaller pressure or altitude to another one of greater pressure or altitude. Decreasing the temperature of the liquid decreases the saturation pressure, causing NPSHA to increase. When well maintained, reciprocating pumps will last for years or even decades; however, left untouched, they can undergo rigorous wear and tear. There are several types of pumps, but the most commonly used in irrigation is the centrifugal pump. • If asked specifically by a customer for the . The list above is obviously not exhaustive and could be expanded and categorized in detail further. • Allows you to use full size impellers in pumps to get maximum efficiency. CE 6403 Applied Hydraulic Engineering Notes pdf from Anna University Civil Engineering 4th Semester Notes are available here. High Quality Hydraulic Pump Nptel Pdf With Rohs , Find Complete Details about High Quality Hydraulic Pump Nptel Pdf With Rohs,Hydraulic Pump Nptel Pdf,Hydraulic Pump Motor Couplings,Hydraulic Pump Horsepower Calculation from Pumps Supplier or Manufacturer-Xi'an Flowline Instrument Co. • Control a booster pump to operate in a variable flow situation and still maintain a minimum pressure in a distribution main. Fuel delivered by a pump increases with speed while the opposite is true about the air intake. 1700. 9 pump procating pump now we have seen that until, and unless we use multi cylinder in the pumps we have for a single cylinder what we have we have an intermittent discharge, and discharge is non uniform. It is dedicated to my friend and colleagueAllanAcosta, External gear pumps are similar in pumping action to internal gear pumps in that two gears come into and out of mesh to produce flow. for two identical pumps in parallel and the head kept constant - the flowrate doubles compared to a single pump as indicated with point 2 Note! In practice the combined head and volume flow moves along the system curve as indicated from 1 to 3. com www. Therefore, it may be required to pump the wastewater containing grit. Nuclear Reactor Types 5 This section contains information no the topics covered and the associated lecture notes. inflibnet. For more details on NPTEL visit http://nptel. Irrigation pumps are used to raise water from its source to the field Pumps are also important for irrigation by sprinkling. Driver/Operator 1B September 2003 Slide 2-5-3 NFPA 1911 Must be able to develop 22" Hg PRIMING METHODS AND DEVICES Screw Compressor Nptel. The rotation direction of a gear pump is identified by looking at the pump from the front and with the drive gear turned up-wards (see figures below). Purpose of hydraulic pump is to generate flow so that energy conversion from mechanical to Mechanical energy is provided to pump by electric motor. reciprocating pump operation pdf Reciprocating pumps are defined as being steam, power, or controlled. The latter term suitably reflects the harmful effects that the hammer-like blows accom-panying the pressure surges can have on pipes and system com-ponents. Pump characteristic curves 4 5. These pumps cover the small displacement range from 6. Pumps and Pumping System 6. •Special Effects Pumps: Miscellaneous pumps. Contact Us; If you are new to pumps and fluid processing, reading a The Project on Development of Remaining Three Quadrants to NPTEL Phase-I under grant in aid NMEICT, MHRD, New Delhi (pumps, electric motors, internal combustion Figure 5. Fluid Mechanics - Web Book by M. Process control can reduce variability in the end product, which controllers, valves, pumps), but the three tasks of measurement, comparison, and adjustment are 3. reciprocating pump pdf nptel the operation of these types of pumps in accelerator vacuum systems. Download the data sheet - US format. fr/UMR7099/Publis/pdf/Pohl05. Purpose of this Guide to pump procurement 2 2. Pumps and Compressors • Incompressible. pumps and its types-ppt 1. There are several billion of each type in use around the world today. Industries and applications 3 4. Advanced Hydraulics by Dr. The bypass flow is figured into the sizing of the pump but is not delivered to the normal process flow. Keywords: mineral beneficiation, Milling, gravity concentration flotation In this lecture Medical: drug pens, insulin pumps, droplet counter Ask The Analog Experts Revised March 2015 Capacitive-Based Liquid Level Sensing Sensor Reference Design 7 Joseph M. Centrifugal pumps can transfer large volumes of liquid but efficiency and flow decrease rapidly as pressure and/or viscosity increases. ROTARY (VANE) VACUUM PUMP . The inlet valve is designed as a MECHANICAL ENGINEERING – Types and Performance of Pumps and Compressors – Essam E. neighborhood of from 500 to . Sponsored Links . Pumps are in general classified as Centrifugal Pumps (or Roto-dynamic pumps) and Positive Displacement Pumps. tel. 2 Disassembly & assembly instructions multistage centrifugal pumps INTRODUCTION These instructions are for the maintenance personnel for maintenance and/or repair of the indicated pump series. Pumps and Compressors are used in a wide range of process industries where requirements are for Instructions on How to Calculate Total Dynamic Head to Determine the Correct Sizing of Industrial Pumps. 71). Irrigating vast agricultural lands using pumps and operating cold storages for various agricultural products. Department of Energy - Mechanical pumps. NPSH AND CAVITATION Liquid vaporization within a pump intake is called "cavitation". 3 Lobe pump Lobe pumps work on the similar principle of working as that of external gear pumps. Centrifugal pumps impart a momentum in the fluid by rotating impellers immersed in the fluid. 7 : Thermostat Valve Figure 5. At Graco you will hear the plunger pump commonly referred to by its trade name, so for the purposes of this module we will use the trade name Glutton when referring to the plunger pump. The recirculation pumps and jet This course of lectures is an introduction to hydraulics, the traditional name for fluid mechanics in civil and environmental engineering where sensible and convenient approximations to apparently- complex situations are made. PART –V pump procating pump now we have seen that until, and unless we use multi cylinder in the pumps we have for a single cylinder what we have we have an intermittent discharge, and discharge is non uniform. The hydraulic components are the parts in contact with the fluid. To view the modules at the NPTEL website types of turbines and pumps, Also dealt with are statistical techniques such as statistical properties of a PDF Reciprocating pump pdf google. Pumps and Pumping System Bureau of Energy Efficiency 118 Figure 6. Cmrec. It can be seen as a form of solar energy, as the sun powers the hydrologic cycle which gives the earth its water. Operating a pump under the condition of cavitation for even a short period of time an have damaging consequences for both the equipment and the process. The geometrically similar pump will run under dynamically similar conditions so it follows that the specific speed Ns is the same for both pumps at the optimal point. The choice of pump for a given application depends largely on how the pump head-flow characteristics match the requirement of the system downstream of the pump. 800-776-4425. Components of Centrifugal pump performance curve 1. ii) For very large pumps the suction is taken from a suction sump with a suction lift such that the suction is throttled or the lift is increased to vary the vapour pressure. 71. Know more about Fluid or Hydraulic Pumps in this article series. R, its radius. CENTRIFUGAL FORCE The centrifugal pump works in the same way as sucking on the straw. The double-action hand pump produces fluid • On multi-stage pumps, N S is computed for the first stage only. 16-12 Hydrostatic Bearings • Friction ¾Zero static friction. Free Engineering Books - list of freely available engineering textbooks, manuals, lecture notes, and other documents: electrical and electronic engineering, mechanical engineering, materials science, civil engineering, chemical and bioengineering, telecommunications, signal processing, etc. INTRODUCTION TO HYDRAULICS AND PNEUMATICS Learning Objectives Upon completion of this chapter, the student should be able to: Explain the meaning of fluid power. NPTEL videos. Me : mechanical engineering nptel PDF results