CN110005620B - Electric submersible pump comprehensive performance test platform and test method thereof - Google Patents
Electric submersible pump comprehensive performance test platform and test method thereof Download PDFInfo
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- CN110005620B CN110005620B CN201910415798.9A CN201910415798A CN110005620B CN 110005620 B CN110005620 B CN 110005620B CN 201910415798 A CN201910415798 A CN 201910415798A CN 110005620 B CN110005620 B CN 110005620B
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- submersible pump
- electric submersible
- gas
- stop valve
- pump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0088—Testing machines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2238—Special flow patterns
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Abstract
The invention relates to a comprehensive performance test platform of an electric submersible pump and a test method thereof, and the comprehensive performance test platform comprises the electric submersible pump, an electric submersible pump motor, a single-phase flow test circuit, a viscosity adjusting branch circuit, a gas-phase flow branch circuit, a computer control center and a data acquisition device, wherein the single-phase flow test circuit comprises a liquid storage tank, the electric submersible pump and a gas-liquid separator, an outlet of the liquid storage tank is sequentially connected with a first filter, a booster pump, a first liquid flowmeter and a first stop valve through pipelines, an outlet of the first stop valve is connected with the electric submersible pump through a pipeline, a pressure sensing instrument is arranged in the electric submersible pump, temperature sensors are respectively arranged at an inlet and an outlet of the electric submersible pump, and a pressure sensor is arranged on the pipeline between the electric submersible pump and; the viscosity regulating branch is installed in parallel with the first stop valve, and the gas phase flow branch is connected to a pipeline between the first stop valve and the electric submersible pump. The invention breaks through the limitation that whether the new pump meets the requirement can only be judged through finite element simulation analysis at present, and provides a platform for the performance test of the new pump.
Description
The technical field is as follows:
the invention relates to a comprehensive performance test device of a pump, in particular to a comprehensive performance test platform of an electric submersible pump and a test method thereof.
Background art:
electric submersible pump oil production is an artificial oil production mode which is gradually developed and matured for adapting to the economic and effective exploitation of underground oil. The method has the characteristics of large displacement lift range, large power, large production pressure difference, strong adaptability, simple ground process flow, long unit service life, convenient management and remarkable economic benefit. Since the first submersible pump was put into use in 1928, the development of submersible pumps has made great progress in all aspects. It is not only used for oil extraction of oil well, but also used for liquid drainage and gas extraction of gas well and water extraction and water injection of water well. Because of the wide use of the submersible pump and the underground operation of the submersible pump, the preparation work before the well is put into the well or the process of the well is difficult, and more manpower and material resources are consumed, the test before the well is put into the well by the submersible pump becomes more important. In addition, in order to expand the application range of the electric submersible pump and master the comprehensive working performance of the electric submersible pump and the working performance of other pumps, a set of complete multifunctional comprehensive performance experiment platform of the electric submersible pump needs to be established.
The invention content is as follows:
the invention aims to provide a comprehensive performance testing platform of an electric submersible pump, which is used for solving the problem of testing before the current electric submersible pump works in a well, and the invention also aims to provide a testing method of the comprehensive performance testing platform of the electric submersible pump.
The technical scheme adopted by the invention for solving the technical problems is as follows: the comprehensive performance test platform of the electric submersible pump comprises the electric submersible pump, an electric submersible pump motor, a single-phase flow test loop, a viscosity regulation branch, a gas-phase flow branch, a computer control center and a data collector, wherein the single-phase flow test loop comprises a liquid storage tank, the electric submersible pump and a gas-liquid separator; the viscosity adjusting branch is connected with the first stop valve in parallel, a second stop valve is arranged at the inlet end of the viscosity adjusting branch, the viscosity adjusting branch is formed by sequentially connecting the second stop valve, a heat exchanger, a second filter and a second liquid flowmeter, and a temperature sensor is arranged at the outlet of the heat exchanger; the gas phase flow branch is connected to a pipeline between the first stop valve and the electric submersible pump, the gas phase flow branch consists of an air storage tank, a gas compressor, a third stop valve and a gas flowmeter, and the air storage tank is provided with a pressure sensor; the temperature sensors, the pressure sensors and the flow meters are all connected with a data acquisition unit, and the data acquisition unit is connected with a computer control center.
In the scheme, the electric submersible pump motor is connected with the variable speed transmission device, the variable speed transmission device is connected with the power distribution machine, the output end of the electric submersible pump motor is provided with the torque and speed sensor, and the high-speed camera is arranged above the electric submersible pump and used for capturing the flow spectrum in the pump flow channel.
The impeller of the electric submersible pump in the scheme is a bubble-breaking type mixed transmission electric submersible pump impeller and comprises a front cover plate, a shaft sleeve, a rear cover plate and blades, wherein the blades are sectional blades, a bubble-breaking jet fracture is broken in the unfolding direction of the sectional blades to form a bubble-breaking jet slit, the front of the bubble-breaking jet slit is a front-section blade, the rear of the bubble-breaking jet slit is a rear-section blade, and the shape of the bubble-breaking jet slit is a slit between the tail edge of the front-section blade and the front edge of the rear-section blade; the rear cover plate is provided with a plurality of groups of gas crushing jet hole groups, each group of gas crushing jet hole consists of a plurality of circular holes, the gas crushing jet hole group positioned at the front blade is a front section jet hole group, and the gas crushing jet hole group positioned at the rear blade is a rear section jet hole group.
In the scheme, the bubble breaking jet slit is positioned between 1/3 and 1/2 of the chord-wise distance of the sectional type blade, the opening width is 2 to 5mm, the opening height is the same as the span-wise height of the blade, and the opening is inclined and is consistent with the downstream direction of the flow.
In the scheme, the booster pump is connected with the booster motor and the variable speed transmission device.
The test method of the electric submersible pump comprehensive performance test platform comprises the following steps:
(1) testing the single-phase flow of the electric submersible pump: the second stop valve and the third stop valve are closed, and the single-phase flow test circuit operates;
(2) and (3) testing the viscosity influence of the electric submersible pump: closing the first stop valve and the third stop valve, opening the second stop valve, and replacing the first stop valve with the viscosity regulating branch for operation;
(3) two-phase flow test of the electric submersible pump: closing the second stop valve, opening the third stop valve, and enabling the air compressor to work and convey gas into the pipeline;
the parameters tested include temperature, pressure, speed, power, torque and flow, and after data processing, conclusions regarding the performance of the test pump are obtained.
The invention has the following beneficial effects:
1. the invention can avoid some problems which may occur when the conventional electric submersible pump works by improving the design of the impeller of the electric submersible pump. The sectional type bending and twisting blade is designed by adopting a mode of arranging a partition in a blade gas phase gathering area to balance pressure, the blade is sectioned and additionally provided with a balance hole, and the sectional type bending and twisting blade has the function of breaking air jet flow into large bubbles, so that gas-liquid distribution is more uniform, and gas blockage caused by gas gathering is avoided.
2. The power distribution machine and the variable-speed transmission device are arranged, so that the test platform has multiple functions. In the single-phase flow and multi-phase flow test of the electric submersible pump, the influence of the input pressure of the electric submersible pump on the single-phase and multi-phase flow internal flow field of the electric submersible pump can be analyzed by changing the input pressure of the electric submersible pump; the influence of the electric submersible pump on the single-phase and multi-phase flow internal flow field of the electric submersible pump can be analyzed by adjusting the rotating speed of the electric submersible pump; the influence of the input flow of the submersible pump on the internal flow field of single-phase and multi-phase flow of the submersible pump can be tested by changing the input flow of the submersible pump.
3. According to the invention, the temperature of the experimental fluid is changed by arranging the heat exchanger, so that the viscosity of the experimental fluid is changed, and the test platform can finish the test of the influence of the viscosity of the fluid on the performance of the electric submersible pump. In addition, in the experimental process of the viscosity influence test of the electric submersible pump, the velocity of the fluid passing through the cross section can be measured by a PIV instrument, so that the influence of the change of the viscosity of the fluid on the flow velocity of the fluid can be obtained.
4. The invention can test the performance of the newly designed electric submersible pump, so that the working performance of the electric submersible pump can be mastered before the electric submersible pump works in a well. The experimental test platform breaks through the limitation that whether the newly designed pump meets the requirements or not can be judged only through finite element simulation analysis under the conventional design condition, provides a good platform for the performance test of the newly designed pump, and can realize accurate estimation and prediction of the efficiency, the actual effect, the service life and the like of the newly designed electric submersible pump.
5. The testing platform has universality, can finish the comprehensive performance test of the electric submersible pump, and can test different types of pumps such as an axial pump, a mixed flow pump, a centrifugal pump, a jet pump and the like by changing the tool structure of the testing platform, the operation is convenient and simple, the problem that different pumps correspond to different experiment tables is avoided, the resources are saved, and the investment cost is reduced.
6. The experimental platform and the process related in the invention can be carried out indoors, and are convenient for various colleges and universities and research institutions to adopt.
Fourthly, explanation of the attached drawings:
fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a perspective view of an impeller of the electric submersible pump according to the present invention.
FIG. 3 is a top view of an impeller for an electric submersible pump according to the present invention.
FIG. 4 is a schematic flow diagram of a single-phase flow test of the submersible electric pump of the present invention.
FIG. 5 is a flow chart of a viscosity influence test of the submersible electric pump according to the present invention.
FIG. 6 is a schematic flow diagram of a two-phase flow test of the submersible electric pump of the present invention.
In the figure, 1-distributor; 2-a variable speed drive; 3-an electric submersible pump motor; 4-torque and speed sensors; 5-an electric submersible pump; 6-computer control center; 7-a data collector; 8-relief valves; 9-gas-liquid separator; 10-a front cover plate; 11-a shaft sleeve; 12-a rear cover plate; 13-a liquid storage tank; 14-a first filter; 15-a booster pump; 16-a booster motor; 18-first liquid flow meter: 19-a gas compressor; 21-a first stop valve; 22-a second stop valve; 23-a heat exchanger; 24-a second filter; 25-a second liquid flow meter; 26-a gas flow meter; 27-a third stop valve; 28-air storage tank; 29-unloading the support; 30 front-section blades, 31 rear-section blades, 32 front-section jet hole groups, 33 rear-section jet hole groups and 34 bubble breaking jet slots.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in FIG. 1, the test platform for comprehensive performance of the electric submersible pump comprises an electric submersible pump 5, an electric submersible pump motor 3, a single-phase flow test circuit, a viscosity adjusting branch, a gas phase flow branch and a computer control center 6, the data collector 7, the single-phase flow test circuit includes the liquid storage tank 13, electric submersible pump 5, gas-liquid separator 9, the electric submersible pump 5 is installed through unloading the support 29, the gas-liquid separator 9 is set up in the exit of the electric submersible pump 5, the liquid storage tank 13 is set up in the exit of the gas-liquid separator 9, the exit of the liquid storage tank 13 connects with the first filter 14, booster pump 15, the first fluid flowmeter 18, the first stop valve 21 sequentially through the pipeline, the first stop valve outlet connects the electric submersible pump 5 through the pipeline, the built-in pressure sensing instrument of the electric submersible pump 5, set up the temperature pick-up in entrance and exit of the electric submersible pump 5 separately, set up pressure sensor and overflow valve 8 on the pipeline between gas-liquid separator 9 and the electric submersible pump 5; the viscosity adjusting branch is installed in parallel with the first stop valve 21, a second stop valve 22 is arranged at the inlet end of the viscosity adjusting branch, the viscosity adjusting branch is formed by sequentially connecting the second stop valve 22, a heat exchanger 23, a second filter 24 and a second liquid flowmeter 25, and a temperature sensor is arranged at the outlet of the heat exchanger 23; the gas phase flow branch is connected to a pipeline between the first stop valve 21 and the electric submersible pump 5, the gas phase flow branch is composed of an air storage tank 28, a gas compressor, a third stop valve 27 and a gas flowmeter 26, and the air storage tank 28 is provided with a pressure sensor; the temperature sensors, the pressure sensors and the flowmeters are all connected with a data acquisition unit 7, and the data acquisition unit 7 is connected with a computer control center 6. The electric submersible pump motor 3 and the booster motor 16 are respectively connected with corresponding frequency modulation speed change devices, and power required by the pump to work under different conditions can be supplied by adjusting the frequency of the input current of the motors. A gas-liquid separator 9 is provided at the outlet line of the electric submersible pump 5 to separate the gas phase and the liquid phase in the two-phase fluid. In order to provide sufficient circulating fluid for the experiment, a liquid storage tank 13 and an air storage tank 28 are provided, wherein the air storage tank is connected with the gas compressor 19, and the sufficient gas in the pipeline is ensured to be mixed with the experimental fluid. The gas-liquid separator 9 is provided with a pressure reducing valve and a safety valve, and the liquid storage tank 13 is provided with a pressure reducing valve.
The invention can test a plurality of parameters including temperature, pressure, rotating speed, power, torque, flow and the like, can test the performance of the electric submersible pump under single phase and multiphase conditions, and can test the influence of viscosity, input flow, rotating speed and input pressure on the performance of the electric submersible pump. In addition, the platform can be used for testing the performance of other kinds of pumps.
Referring to fig. 2 and 3, the bubble-breaking type hybrid electric submersible pump impeller comprises a front cover plate 10, a shaft sleeve 11, a rear cover plate 12 and blades, wherein the blades are sectional blades, a bubble-breaking jet slit 34 is formed in each sectional blade, and the bubble-breaking jet slit is broken in the unfolding direction of each sectional blade and is shaped as a gap between the tail edge of a front-section blade 30 and the front edge of a rear-section blade 31; the front of the bubble-breaking jet slit 34 is the front-section blade 30, and the back of the bubble-breaking jet slit 34 is the back-section blade 31. The bubble breaking jet fracture is located between 1/3 and 1/2 of the chord-wise distance of the sectional type blade, the opening width is 2-5mm, the opening height is the same as the spanwise height of the blade, and the opening is inclined and is consistent with the downstream direction of the flow.
There is the broken jet hole group of multiunit gas on back shroud 12, and the broken jet hole of every group gas comprises a plurality of circular ports, and the broken jet hole group of gas that is located anterior segment blade 30 department is anterior segment jet hole group 32, and the broken jet hole group of gas that is located posterior segment blade department 31 is posterior segment jet hole group 33.
The impeller is designed as a twisted blade, is disconnected in the gas phase gathering area, and generates jet flow according to pressure difference to destroy gas gathering. A plurality of groups of jet flow gas breaking holes are formed in the rear cover plate 12, and large bubbles are broken into small bubbles by the gas breaking jet flow hole groups, so that gas can flow out along with a liquid phase, and gas blockage cannot be formed.
The electric submersible pump motor 3 and the booster motor 16 are three-phase alternating current cage type motors, and the models are Y90L-2 and Y132S1-2 respectively. The computer control center 6 is the core of the control system and is connected with all instruments by means of signal cables.
The torque and speed sensor 4 is a JN338 digital torque and speed sensor that is connected to the electric submersible pump motor 3. The model of the liquid flowmeter and the model of the gas flowmeter are DSM-LW turbine flowmeters, and the connection mode of the liquid flowmeter and the gas flowmeter with a pipeline is flange connection. Arranging temperature sensors at the inlet and the outlet of the electric submersible pump 5 and the outlet of the heat exchanger 23, wherein the measuring range is-20-600 ℃; the pressure sensor has a measurement range of 0-300 psi and is disposed at the outlet of the electrical submersible pump 5 and on the air storage tank 28.
The heat exchanger 23, which is a plate heat exchanger, is suspended in structure and is connected to the pipeline in a flange connection manner.
The booster pump 15 is a rotor pump, the model of which is RP8, is arranged at the outlet of the liquid storage tank 13 and is connected with a booster motor and a variable-speed transmission device.
The first filter 14 and the second filter 24 are Y-shaped filters and are respectively connected with the liquid storage tank 13 and the outlet pipeline of the heat exchanger 23 in a flange connection mode, the pipeline where the filter is located is an integral flange, and the middle flange is selected for other pipeline parts. The gas compressor 19 is a centrifugal compressor of a speed compressor, the model number of the centrifugal compressor is DA70-41, and the centrifugal compressor is connected with a gas storage tank 28. The unloading support 29 is of the type of a double saddle, one of which is fixed and the other of which is designed to be axially movable or slidable, with a wrap angle of 360 °, the diameter of the support being determined according to the outer diameter of the electrical submersible pump 5.
Fig. 4 shows a schematic flow chart of a single-phase flow test of the electric submersible pump, and the test flow chart is realized by closing the second stop valve 22 and the third stop valve 27, so that a branch of the flow chart flowing through the heat exchanger 23 and a branch of the flow chart supplying gas to the air compressor 19 are closed, and the electric submersible pump single-phase flow test is carried out. In addition, the influence of the input pressure of the electric submersible pump 5 on the single-phase flow of the electric submersible pump can be analyzed by changing the input pressure of the electric submersible pump 5; the influence of the rotating speed of the electric submersible pump 5 on the single-phase flow of the electric submersible pump can be further analyzed by adjusting the rotating speed of the electric submersible pump 5; the influence of the submersible pump 5 on its single-phase flow can also be tested by varying its input flow.
Fig. 5 shows a schematic flow chart of the viscosity influence test of the electrical submersible pump, which is implemented by closing the first stop valve 21 and the third stop valve 27, so that the fluid flows through the branch where the heat exchanger 23 is located, the fluid flows through the heat exchanger 23, heat exchange is performed, the temperature of the fluid is changed, and the viscosity influence test of the electrical submersible pump 5 is completed because the temperature influences the viscosity of the non-newtonian fluid, so that the viscosity influence test is performed. In this experimental procedure, the velocity of the fluid across the cross-section was measured by the PIV instrument, and the effect of changes in the viscosity of the fluid on its flow rate was determined.
Fig. 6 shows a schematic flow chart of a two-phase flow test of the electrical submersible pump, which is implemented by closing the second stop valve 22 and opening the third stop valve 27, so that the air compressor continuously delivers gas into the pipeline, and corresponding data of flow, pressure, temperature, speed and the like are obtained through a flow meter and a sensor in the pipeline, and the flow characteristics of the two-phase flow of the electrical submersible pump are analyzed through the obtained data. In addition, the two-phase flow test of the electric submersible pump is the same as the one-way flow test, and the influence of the two-phase flow test on the flow of the electric submersible pump can be further analyzed by changing the input pressure, the input flow and the rotating speed of the electric submersible pump 5.
The experimental process can not only complete the comprehensive performance test of the electric submersible pump, but also test different types of pumps such as an axial pump, a mixed flow pump, a centrifugal pump, a jet pump and the like by changing the tool structure of the electric submersible pump.
The test can obtain the pictures of the inside of the flow field of the unidirectional flow and the two-phase flow of the electric submersible pump and obtain the corresponding flow maps through the high-speed camera, so that the characteristics and the changes of the inside flow field and the disturbance of the changes of various influencing factors on the inside flow field can be observed more visually.
Claims (6)
1. The utility model provides an electric submersible pump comprehensive properties test platform which characterized in that: the electric submersible pump comprehensive performance test platform comprises an electric submersible pump (5), an electric submersible pump motor (3), a single-phase flow test circuit, a viscosity regulation branch circuit, a gas-phase flow branch circuit, a computer control center (6) and a data collector (7), wherein the single-phase flow test circuit comprises a liquid storage tank (13), the electric submersible pump (5) and a gas-liquid separator (9), the electric submersible pump (5) is installed through an unloading support (29), the gas-liquid separator (9) is arranged at the outlet of the electric submersible pump (5), the liquid storage tank (13) is arranged at the outlet of the gas-liquid separator (9), the outlet of the liquid storage tank (13) is sequentially connected with a first filter (14), a booster pump (15), a first liquid flowmeter (18) and a first stop valve (21) through pipelines, the outlet of the first stop valve is connected with the electric submersible pump (5) through a pipeline, a pressure sensor is arranged in the electric submersible pump (5), and temperature sensors are respectively arranged at the inlet and the outlet, a pressure sensor is arranged on a pipeline between the electric submersible pump (5) and the gas-liquid separator (9); the viscosity adjusting branch is installed in parallel with the first stop valve (21), a second stop valve (22) is arranged at the inlet end of the viscosity adjusting branch, the viscosity adjusting branch is formed by sequentially connecting the second stop valve (22), a heat exchanger (23), a second filter (24) and a second liquid flowmeter (25), and a temperature sensor is arranged at the outlet of the heat exchanger (23); the gas phase flow branch is connected to a pipeline between the first stop valve (21) and the electric submersible pump (5), the gas phase flow branch is composed of an air storage tank (28), a gas compressor (19), a third stop valve (27) and a gas flowmeter (26), and the air storage tank (28) is provided with a pressure sensor; the temperature sensors, the pressure sensors and the flow meters are all connected with a data acquisition unit (7), and the data acquisition unit (7) is connected with a computer control center (6).
2. The electrical submersible pump combination property testing platform of claim 1, wherein: the electric submersible pump motor is connected with the variable speed transmission device (2), the variable speed transmission device (2) is connected with the power distribution machine (1), the output end of the electric submersible pump motor is provided with a torque and speed sensor, and the high-speed camera is arranged above the electric submersible pump and used for capturing a flow spectrum in a pump flow channel.
3. The electrical submersible pump combination property testing platform of claim 2, wherein: the impeller of the electric submersible pump is a bubble-breaking type mixed transmission electric submersible pump impeller and comprises a front cover plate (10), a shaft sleeve (11), a rear cover plate (12) and blades, wherein the blades are sectional blades, bubble-breaking jet fracture is broken in the unfolding direction of the sectional blades to form a bubble-breaking jet slit (34), a front section blade (30) is arranged in front of the bubble-breaking jet slit (34), a rear section blade (31) is arranged behind the bubble-breaking jet slit (34), and the shape of the bubble-breaking jet slit (34) is a gap between the tail edge of the front section blade and the front edge of the rear section blade; there is the broken jet hole group of multiunit gas on back shroud (12), and the broken jet hole of every group gas comprises a plurality of circular ports, and the broken jet hole group of gas that is located anterior segment blade (30) department is anterior segment jet hole group (32), and the broken jet hole group of gas that is located posterior segment blade (31) department is posterior segment jet hole group (33).
4. The electrical submersible pump combination property testing platform of claim 3, wherein: the bubble breaking jet slots (34) are positioned between 1/3 and 1/2 of the chord-wise distance of the sectional type blades, the opening width is 2-5mm, the opening height is the same as the spanwise height of the blades, and the openings are inclined and consistent with the downstream direction of the flow.
5. The electrical submersible pump combination property testing platform of claim 4, wherein: the booster pump (15) is connected with the variable-speed transmission device through a booster motor (16).
6. The test method of the electric submersible pump comprehensive performance test platform of claim 5, characterized by comprising the following steps:
(1) testing the single-phase flow of the electric submersible pump: the second stop valve (22) and the third stop valve (27) are closed, and the single-phase flow test circuit operates;
(2) and (3) testing the viscosity influence of the electric submersible pump: closing the first stop valve (21) and the third stop valve (27), opening the second stop valve (22), and operating the viscosity regulating branch in place of the first stop valve (21);
(3) two-phase flow test of the electric submersible pump: closing the second stop valve (22), opening the third stop valve (27), operating the gas compressor (19) and delivering gas into the pipeline;
the parameters tested include temperature, pressure, speed, power, torque and flow, and after data processing, conclusions regarding the performance of the test pump are obtained.
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