This test rig is somewhat dated and requires design improvements in order to save time and money preparing and conducting the tests. The present centrifugal pump test rig is a selfcontained unit operated on closed circuit basis containing a sump tank. The setup consists of a submersible pump, which is mounted horizontally with sump tank. Experimental analysis of performance of centrifugal pump.
The experimental test rig consists of a self contained bench top unit. Jan 24, 2017 performance test centrifugal pump lab experiment. Pdf experimental analysis of performance of centrifugal pump. What is the design procedure for centrifugal pumptesting. Centrifugal pump test set h47 fluid mechanics tecquipment.
One of the oldest and most familiar designs is the. This flowmeter is not valid at flows greater than 20 gpm. This content provides you with a sample centrifugal pump performance test procedure in. Flow of fluid is measured by using measuring tank and stop watch. Universal test rig concept for centrifugal and positive displacement pumps by dipl. The setup is designed to study the performance of centrifugal pump.
The pump is provided with a vacuum gauge on suction pipe and a pressure gauge on discharge pipe. Inspection and test plan reference document acceptance criteria verifying. A centrifugal pump is one of the simplest pieces of equipment in any process plant. Pdf laboratory report centrifugal pump anh phuong le. The closed circuit test rig consists of a kirloskar make monoblock centrifugal pump. The frame size of the pump to be tested roughly determines which rig is to be used for the test. It comprises a singlestage, single entry centrifugal pump whose. Centrifugal pump test rig free download as word doc. Centrifugal pump mechanical running test if specified api 610 api 610 procedure h r a. Centrifugal pumps are widely used in industrial and domestic situations. Inspection and test plan for centrifugal pump before manufacturing activity by no.
Fix the required diameter of nozzle and the vane of the required shape in position. For the love of physics walter lewin may 16, 2011 duration. Thank you very much dear sir, for your great help in designing the pump testing rig, the pdf links were very helpful while designing the testing rig, finally im done with the designing part now im. It is one of the rotary pumps which used kinetic energy of impeller. Laboratory manual on reciprocating pump test rig prepared by prof. A centrifugal pump is a machine that uses rotation to impart velocity to a liquid, it then converts that velocity into flow. This report describes the performance analysis and design improvement of one of those test setups. Test loop designs can vary both in system design and instrumentation selection. Turbines and centrifugal pumps all fall into this category.
This means that the flow in standard, test rig setup, hydrostatic testing centrifugal pumps in the radial outward direction. To study the performance characteristics of centrifugal blower test rig. Technical manual centrifugal pump test rig centrifugal pump is a roto dynamic machine which develops dynamic pressure of liquid by virtue of rotation for pumping of liquid to a higher height. Centrifugal pump test rig fluid mechanics pump scribd. A compact, mobile and fully selfcontained centrifugal pump test set that allows students to find the characteristics of a centrifugal pump. Experimental analysis of performance of centrif ugal pump. Fluid machinery lab centrifugal pump test rig variable. Serial parallel pump test rig is specially designed to demonstrate the operating characteristics of centrifugal pump in series, parallel or single pump operation.
A detailed description of a new centrifugal compressor surge test rig is presented. Whether a pump is new, used and recently modified, or freshly refurbished with a critical service mission, end users routinely specify hydraulic performance acceptance tests to guarantee pump performance. Ross, butterworth heinemann publication second edition 1992. The centrifugal pump is, by contrast, a rotodynamic machine. Nov 28, 2017 for the love of physics walter lewin may 16, 2011 duration. It also allows them to see and hear cavitation and understand the use of a venturi meter and differential pressure measurement to find flow rate.
In centrifugal pump, liquid in the impeller of a pump is made to rotate by external force, so that it is thrown away from the center of rotation. Centrifugal pumps are constant head machines note that the latter is not a constant pressure machine, since pressure is a function of head and density. Rotodynamic or simply dynamic pumps impart momentum to a fluid, which then causes the fluid to move into the delivery chamber or outlet. Jainco is renowned exporter and manufacturer of centrifugal pump test rig, centrifugal pump test rig suppliers, centrifugal pump test rig manufacturers throughout the world to be used in schools, college and universities. Test rig centrifugal pump test rig apparatus variable. The rotating impeller generates velocity and the casing converts velocity into flow. Pdf in the world of hydraulics, the most preferred pumping devices are. In a positive displacement pump, a fixed volume of fluid is forced from one chamber into another. Fluid machinery lab equipments centrifugal pump test rig. The head of a pump can be expressed in metric units as.
Centrifugal pump test rigs manufacturers, suppliers. Turbo machinery lab, centrifugal pump test rig, francis. Centrifugal pump test rig pump fluid dynamics scribd. Pumping equipment is extremely diverse, varying in type, size, and materials of construction. The head is constant, even if the density and therefore pressure changes.
Working mechanism of a centrifugal pump a centrifugal pump is one of the simplest pieces of equipment in any process plant. Checklist of problems vvith centrifugal pumps and their causes. The below figure shows a basic centrifugal pump test circuit. A basic strategy for defining and implementing individual test rig projects is outlined. It also allows students to see and hear cavitation and understand the use of a venturi meter and differential pressure measurement to find flow rate. Its purpose is to convert energy of a prime mover a electric motor or turbine first into velocity or kinetic energy and then into pressure energy of a fluid that is being pumped. Bill is a longstanding member of the pump advisory committee. Specifically, the pumps test procedure adopted in this final rule incorporates by reference the test procedure from the hydraulic institute histandard 40. Pdf laboratory report centrifugal pump anh phuong le vu. Pumping equipment is extremely diverse, varying in type, size, and materials of. Centrifugal pump test rig,multi stage centrifagal pump. What is the design procedure for centrifugal pumptesting rig. Roul professor and principal department of mechanical engineering gandhi institute for technological advancement gita, bhubaneswar752054 june 2015.
Positive displacement pumps are those in which energy is imparted to the liquid in a fixed displacement volume, such as a casing or a cylinder, by the rotary motion of gears. The gate valve is used to adjust the head on the pump. Figure 3 schematic diagram of the centrifugal pump test rig figure. Maximum normal capacity line should not operate in the region to the right. It also allows them to see and hear cavitation and understand the use of a venturi meter and. This small flowmeter can then be used at low pump flowrates. An endusers guide to centrifugal pump rotordynamics william d.
Ing mathias bode, sensotech gmbh magdeburg x11 as safeguarding and documenting product quality in compliance with iso 9000 ff. The setup consists of a centrifugal pump coupled with a dc motor. A centrifugal pump converts driver energy to kinetic energy in a liquid by accelerating the fluid to the outer rim of an impeller. This content provides you with a sample centrifugal pump performance test procedure in the manufacturing shop. The objective of the design and development of the rig is to study the surge phenomenon in centrifugal compression systems and to investigate a novel method of surge control by active magnetic bearing servo actuation of the impeller axial tip clearance. It also allows students to see and hear cavitation and understand. Centrifugal pump performance test inspection for industry. Always leading the way within the pump testing field, we can now offer you our computerised hydraulic pump test rig facility. This description of procedure defines the conditions for the hydraulic testing of centrifugal pumps according to api standard 610. We are a leading manufacturer of centrifugal pump test rig apparatus variable speed with swinging, refrigeration test rig, wind tunnel test rig, centrifugal blower test rig fixed speed, axial fan test rig variable speed and axial fan test rig fixed speed from panchkula, india.
Test rig centrifugal pump test rig apparatus variable speed. Positive displacement pumps have a constant torque characteristic, whereas centrifugal pumps demonstrate variable torque characteristics. In that npshr test is usually carried out whenever the npsh margin is less than 1 meter. Item name technical specifications 1 centrifugal pump centrifugal, 1. Performance testing can be complex and should account for a multitude of variables. This online quiz on centrifugal pump is used to testrefresh your knowledge on the centrifugal pumps. The energy changes occur by virtue of two main parts of the pump, the impeller. Technical manualcentrifugal pump test rig centrifugal pump is a roto dynamic machine which develops dynamic pressure of liquid by virtue of rotation for pumping of liquid to a higher height.
Checklist of problems vvith centrifugal pumps and their causes centrifugal pumps are one of the worlds most commonly used devices. This article outlines the state of the art in pump test rig technology. The present submersible pump test rig is a selfcontained unit operated on closed circuit basis containing a sump tank. What is the difference between centrifugal pump and. It is a positive displacement type pump which is forced by piston.
The centrifugal pump performance test procedure is carried out as follows, but it may slightly change based on pump vendor test bed condition and internal procedures. Centrifugal pumps are made up of two primary components. End users checklist for centrifugal pump performance testing. To make use of it, the valves in the test rig must be set so that all. Keep the delivery valve closed and switch on the pump. A compact, mobile and fully selfcontained centrifugal pump test set, that allows students to find the characteristics of centrifugal pumps working alone or in series or parallel. Centrifugal pump test rig is a selfcontained unit operated on closed circuit basis containing a sump tank. A universal and at the same time flexible concept provides an example for describing the breadth of possible implementation variants. Performance analysis and design improvement on a test rig for. Analysis of hydraulic thrusts in centrifugal pump to increase. The test facilities at weir warman in sydney are capable of testing the entire range of warman pumps. Centrifugal pump performance test procedure mechanical. Analysis of hydraulic thrusts in centrifugal pump to. An endusers guide to centrifugal pump rotordynamics.
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