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  • Energy efficiency in pumps and fans ppt - SlideShare

    2012-3-4 · Pump Efficiency: Where, Hydraulic power, P h (kW) = Q x (h d - h s ) x x g 1000 Q = Volume flow rate (m 3 /s), = density of the fluid (kg/m 3 ), g = acceleration due to gravity (m/s 2 ), (h d - h s ) = Total head in metres 5.

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  • Determination of vacuum pump operational efficiency

    2015-5-21 · Referring to Fig 8- 7, the best efficiency for a pump at a flow of 0.20 m3 /s is obtained by a pump with a specific speed of about 40 (interpolate between 0.190 and 0.63 m3 /s curves). The expected best efficiency is about 87 % and a Francis or mixed-flow impeller should be used.

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  • pump system and curves - SlideShare

    2017-6-2 · The motor power required to generate these head and flow conditions is somewhat higher, because of motor and pump inefficiencies. The efficiency of a pump is measured by dividing the fluid power by the pump shaft power; for directly coupled pump/motor combinations, this is the. brake horsepower (bhp) of the motor.

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  • PUMPS - SlideShare

    In looking at the pump curve in Figure 2, operating away from the BEP results in significant reduction in pump efficiency. The shape of the pump curve is also noteworthy, especially when trying to apply variable speed pump control. When using speed to control the operation of a pump, as the speed of the pump is reduced, the curve that the pump operates on shifts down and to the left, reducing the flow and head …

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  • Pump design presentation - SlideShare

    2020-12-31 · raise one Kg of fluid with the amount of ideal work per Kg done by the pump: H = 2 1 P sP dp h/g g ∆= ∫ ρ (1) The rise is directly related to the pump work, even if the fluid has significant compressibility: Work/mass= p gH ∆=h η (2) and this is one of the advantages of its use. Obviously, if ρ = const., P H, g ∆ = ρ p Work P mass ∆ = ρη (3)

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  • Control Engineering | Vertical pump efficiency and

    2021-1-21 · Operating within a tolerance band either side of the best efficiency point (BEP) for the pump increases the resistance to failure. Moving away from this region can lead to increased vibration, reduced bearing life, reduced mechanical seal life, increased random failures and a reduction in overall pump life.

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  • Energy Conservation Program: Test Procedures for Pumps

    2015-12-30 · : Minimally Compliant Pump C. Determination of Pump Performance 1. Incorporation by Reference of HI 40.6–2014 2. Minor Modifications and Additions to HI 40.6–2014 D. Determination of Motor Efficiency 1. Default Nominal Full Load Motor Efficiency 2. Represented Nominal Full Load Motor Efficiency for Pumps Sold with Motors 3.

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  • Basic Pump Parameters and the Affinity Laws

    2020-4-10 · efficiency, and (3) drive efficiency. The overall pump operational efficiency (4) is the product of the three preceding efficiencies. A complete discussion of hydraulic efficiency will be provided when the subject of power is undertaken. In the context of this course, efficiency means hydraulic efficiency and it will be denoted with the symbol E.

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  • Pump Types - Tuthill Pump

    2014-10-14 · •Review different pump types commonly used •Understand the difference between centrifugal pumps and positive displacement pumps ... •Efficiency for low flow, higher pressure combinations •Self priming capability •Low cost and compact size for low flow,

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  • 13 Common Factors that Affect Pump Life | Pumps &

    2016-12-5 · The pump was designed to operate for a long time, and the user operated and maintained the pump in a manner that resulted in a half-century of trouble-free operation. In the overall equation for reliable pump life expectancy, almost every factor is dependent on the end user—specifically, how the pump is operated and maintained.

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  • Major Factors Affecting the Pump Performance: An

    2021-5-6 · Pump or Pumping system is the major equipment in any process or power plant. So the equipment should operate properly to give the best output in terms of performance. However, there are many factors that influence the pump performance. Out of those, the main (major) factors which affect the performance of the pump are: Impeller design; Improper ...

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  • (PPT) Energy Conservation PPT | Mayadhar Swain -

    A pump with 85% efficiency at rated flow may have only 65% efficiency at half the flow • Matching of motor with appropriate -sized pump. Energy Conservation in Industries … Energy Conservation Day, NALCO, Angul, 14th December 2016 • Use of throttling valves instead of variable speed drives to change flow of fluids is a wasteful practice.

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  • (PDF) Design, Production and Testing of a Single

    2017-10-6 · The results indicate that the head and efficiency of the pump are best when the vane outlet angle is 6°. The flow area decreases and the flow velocity at radial diffuser outlet increase when the ...

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  • Axial Flow Pump - an overview | ScienceDirect Topics

    Dennis P. Nolan P.E., PhD., in Fire Fighting Pumping Systems at Industrial Facilities (Second Edition), 2011 6.2.5 Axial flow pumps. Axial flow pumps have a motor-driven rotor that directs flow along a path parallel to the axis of the pump. The fluid thus travels in a relatively straight direction, from the inlet pipe through the pump to the outlet pipe.

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  • Axial Flow Pumps Selection Guide: Types, Features ...

    2020-8-17 · The image above shows a typical performance curve for an axial flow pump, depicting the relationship between head, flow rate, power, and efficiency. As shown in the diagram, the shut-off (zero flow) head of an axial flow pump can be as much as three times the head at the pump's best efficiency …

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  • Basic Pump Parameters and the Affinity Laws

    2020-4-10 · efficiency, and (3) drive efficiency. The overall pump operational efficiency (4) is the product of the three preceding efficiencies. A complete discussion of hydraulic efficiency will be provided when the subject of power is undertaken. In the context of this course, efficiency means hydraulic efficiency and it will be denoted with the symbol E.

    Get Price
  • Pump Types - Tuthill Pump

    2014-10-14 · •Review different pump types commonly used •Understand the difference between centrifugal pumps and positive displacement pumps ... •Efficiency for low flow, higher pressure combinations •Self priming capability •Low cost and compact size for low flow,

    Get Price
  • Energy Conservation Program: Test Procedures for Pumps

    2015-12-30 · : Minimally Compliant Pump C. Determination of Pump Performance 1. Incorporation by Reference of HI 40.6–2014 2. Minor Modifications and Additions to HI 40.6–2014 D. Determination of Motor Efficiency 1. Default Nominal Full Load Motor Efficiency 2. Represented Nominal Full Load Motor Efficiency for Pumps Sold with Motors 3.

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  • Major Factors Affecting the Pump Performance: An

    2021-5-6 · Pump or Pumping system is the major equipment in any process or power plant. So the equipment should operate properly to give the best output in terms of performance. However, there are many factors that influence the pump performance. Out of those, the main (major) factors which affect the performance of the pump are: Impeller design; Improper ...

    Get Price
  • Centrifugal Pump: Working Principle, Different Types,

    The efficiency of a centrifugal pump can be defined as the ratio of the output power (water) to the input power (shaft). It can be demonstrated by using the following equation. E f = P W P S. Where, Ef is efficiency. Pw is the water power. Ps is the shaft power. In the U.S, the shaft power is the power given to the shaft of the pump in BHP ...

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  • Classifications of Pumps - Engineering ToolBox

    2021-5-7 · Mechanical Efficiency. The pumps behaves different considering mechanical efficiency as well. Changing the system pressure or head has little or no effect on the flow rate in a Positive Displacement Pump; Changing the system pressure or head may have a dramatic effect on the flow rate in a Centrifugal Pump; Net Positive Suction Head - NPSH

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  • (PPT) Energy Conservation PPT | Mayadhar Swain -

    A pump with 85% efficiency at rated flow may have only 65% efficiency at half the flow • Matching of motor with appropriate -sized pump. Energy Conservation in Industries … Energy Conservation Day, NALCO, Angul, 14th December 2016 • Use of throttling valves instead of variable speed drives to change flow of fluids is a wasteful practice.

    Get Price
  • Variable Displacement Oil Pumps – The Future Of The

    2016-12-1 · When it comes to improving fuel efficiency, 3% to 5% are huge numbers. Achieving those fuel efficiency numbers while also increasing the power to the wheels is the holy grail of vehicle engineering, and new variable displacement oil pumps are able to deliver this boost in efficiency.

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  • Hydraulic pumping - PetroWiki

    2016-2-4 · Hydraulic pumping is a proven artificial lift method that has been used since the early 1930s. It offers several different systems for handling a variety of well conditions. Successful applications have included setting depths ranging from 500 to 19,000 ft and production rates varying from less than 100 to 20,000 B/D. Surface packages are available using multiplex pumps ranging from 15 to 625 hp.

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  • Axial Flow Propeller Pump, Axial Flow Pump

    2020-5-12 · Axial Flow Propeller Pump Manufacturers, Performance Gauranteed Propeller Pumps made in India, Heavy duty propeller pump, horizontal & vertical propeller pumps, use Propeller pumps for low head - high capacity pumping, Find here Advantages of Axial flow pumps, Application & Design features of Axial Flow Propeller pump, Well known Indian exporter of Propeller Pumps

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  • Basic Pump Parameters and the Affinity Laws

    2020-4-10 · efficiency, and (3) drive efficiency. The overall pump operational efficiency (4) is the product of the three preceding efficiencies. A complete discussion of hydraulic efficiency will be provided when the subject of power is undertaken. In the context of this course, efficiency means hydraulic efficiency and it will be denoted with the symbol E.

    Get Price
  • Energy Conservation Program: Test Procedures for Pumps

    2015-12-30 · : Minimally Compliant Pump C. Determination of Pump Performance 1. Incorporation by Reference of HI 40.6–2014 2. Minor Modifications and Additions to HI 40.6–2014 D. Determination of Motor Efficiency 1. Default Nominal Full Load Motor Efficiency 2. Represented Nominal Full Load Motor Efficiency for Pumps Sold with Motors 3.

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  • TYPES AND SELECTION OF PUMPS - eagri.org

    2005-7-24 · head capacity, efficiency, horse power and speed are available for turbine pumps also. For turbine pump selection accurate data about the well is essential. Besides the head capacity curve of the well, the seasonal fluctuations of water table should also be known so that the pump bowls are installed such that they are always under water.

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  • (PPT) Energy Conservation PPT | Mayadhar Swain -

    A pump with 85% efficiency at rated flow may have only 65% efficiency at half the flow • Matching of motor with appropriate -sized pump. Energy Conservation in Industries … Energy Conservation Day, NALCO, Angul, 14th December 2016 • Use of throttling valves instead of variable speed drives to change flow of fluids is a wasteful practice.

    Get Price
  • Centrifugal Pump: Working Principle, Different Types,

    The efficiency of a centrifugal pump can be defined as the ratio of the output power (water) to the input power (shaft). It can be demonstrated by using the following equation. E f = P W P S. Where, Ef is efficiency. Pw is the water power. Ps is the shaft power. In the U.S, the shaft power is the power given to the shaft of the pump in BHP ...

    Get Price
  • World Pumps - the online magazine for the

    2021-3-25 · World Pumps online magazine serves the international pump industry with pumps news, features, and technical & commercial developments Our website uses cookies Cookies enable us to provide the best experience possible and help us understand how visitors use our website.

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  • Different Types of Pumps: Working & Their Applications

    The type of pump, as well as selection, mainly depend on our requirement. The application mainly includes the type of fluid you desire to pump, the distance you desire to move the fluid, and the quantity you require to get over a particular time frame. However, it is complicated to recognize accurately what kind of pump you must select.

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  • Rankine cycle - Energy Education

    2020-12-14 · The steps in the Rankine Cycle as shown in Figure 1 and the corresponding steps in the pressure volume diagram (figure 2) are outlined below: . Pump: Compression of the fluid to high pressure using a pump (this takes work) (Figure 2: Steps 3 to 4) Boiler: The compressed fluid is heated to the final temperature (which is at boiling point), therefore, a phase change occurs—from liquid to vapor.

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  • Jet Pumps Working Principle - Production Technology

    2017-12-2 · Jet Pump working principle: The jet pump artificial lift system is composed of two principal parts: the surface pumping equipment and the downhole jet pump. In the surface, the reciprocating pump transfers energy to the fluid increases its pressure, drove through surface piping, production tubing (or annular space) until the jet pump, placed on ...

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  • Consulting - Specifying Engineer | The benefits of

    2016-9-7 · A heat pump is a refrigeration circuit that can cool spaces during warm weather and heat spaces during cool weather. With a heat pump, you can cool or heat a space by only using electricity. By not burning fuel for heating, as in a traditional central furnace, a flammability risk is eliminated.

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  • Energy Conservation Program: Test Procedures for Pumps

    2015-12-30 · : Minimally Compliant Pump C. Determination of Pump Performance 1. Incorporation by Reference of HI 40.6–2014 2. Minor Modifications and Additions to HI 40.6–2014 D. Determination of Motor Efficiency 1. Default Nominal Full Load Motor Efficiency 2. Represented Nominal Full Load Motor Efficiency for Pumps Sold with Motors 3.

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  • Experiment (10): Series and parallel pumps Introduction

    2014-1-7 · Pump 2 is an identical model but is run at its design speed, which is equivalent to a setting of 80% on the variable-speed pump for a 50Hz electrical supply, or 100% for a 60 Hz supply. Exercise A (Series pumps) Theory: A single pump may be insufficient to produce the performance required. Combining two pumps

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  • THERMODYNAMICS TUTORIAL 5 HEAT PUMPS AND

    2013-11-3 · The heat pump cycle uses an ideal cycle with an evaporator at 5oC and a condenser at 12.19 bar. The vapour is dry saturated at inlet to the compressor. The condenser produces liquid at 45oC. Calculate the thermal advantage (Coefficient of Performance) for the heat pump. Compare it with a boiler running at 90% thermal efficiency.

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  • Pump Up the Storage | Do the Math

    2011-11-17 · Use a heat pump to transfer heat between two insulated tanks of gravel. Then use the heat pump in reverse as a heat engine to recover the heat and generate electricity. Cooling 15 tonnes of granite gravel down to -150°C and heating another 15 tonnes up to 500°C is sufficient to store 1MWh of electricity. Round trip efficiency of 72% to 80%.

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  • What is a Syringe Pump? Infusion Pump vs. Syringe

    What is a Syringe Pump? A syringe pump is a motor-driven precision pump that uses one or more syringes to deliver precise and accurate amounts of fluid in high-impact research environments.. Types of Syringe Pumps. There are two broad types of pumps: Laboratory syringe pump and Medical infusion pump. Laboratory Syringe Pump: They are devices used in research laboratories for applications that ...

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  • sweep efficiency | Oilfield Glossary

    1. n. [Enhanced Oil Recovery] A measure of the effectiveness of an enhanced oil recovery process that depends on the volume of the reservoir contacted by the injected fluid. The volumetric sweep efficiency is an overall result that depends on the injection pattern selected, off-pattern wells, fractures in the reservoir, position of gas-oil and oil/water contacts, reservoir thickness ...

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  • Energy efficiency directive | Energy

    2019-8-21 · The 2012 energy efficiency directive Directive 2012/27/EU establishes a set of binding measures to help the EU reach its 20% energy efficiency target by 2020.This means that overall EU energy consumption should be no more than 1483 million tonnes of oil equivalent (Mtoe) of primary energy or 1086 Mtoe of final energy.

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  • Nanotechnology and Energy - UnderstandingNano

    2021-3-8 · Nanotechnology and Energy. Weary of high utility bills and gas pump sticker shock? You'll be glad to hear that nanotechnology is being used in several applications to improve the efficiency of energy generation or develop new methods to generate energy.

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  • Production Technology

    Tagged beam pump monitoring, dynamometer, dyno, echometer, ECHOMETER MODEL E WELL ANALYZER, Gas gun, liquid level, model E, production monitoring, rod pump optimization, Shoot lequid level, sucker rod pump monitoring, Total Well Management, TWM, well analyzer How to Prevent Pumping Unit Failures due to Overloading

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  • Energy Recovery Devices in Seawater Reverse Osmosis ...

    2011-10-21 · University of South Florida Scholar Commons Graduate Theses and Dissertations Graduate School 2011 Energy Recovery Devices in Seawater Reverse Osmosis Desalination ...

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