Set the pump speed at a high level and repeat the experiment. Fluid lab experiment using a hydraulic bench and centrifugal pump. We made use of the armfield fm51 series and parallel demonstration unit to run this experiment for a single pump, series and parallel configuration of two pumps, and compared our values for their respective headdischarge characteristics which. Power supply and the water tap is opened before experiments can be started.
First of all, the complete characteristics head, power, and efficiency were measured experimentally using a specific test loop. The probe beam interacts with the sample and then is detected. Pdf laboratory report centrifugal pump anh phuong le. Pdf experimental study on a centrifugal pump with an open. That is, analyze the system to determine the pump head required as a function of flow rate through the pump this will form the system line. The upper circuit is the primary or driven one, contains the test pump that takes the moving fluid. Characteristics of centrifugal pumps working in direct or. Experiment 6 fluid mechanics lab experiment 6 pumps series. In the world of hydraulics, the most preferred pumping devices are centrifugal pumps.
The pump system is schematically described in figure1 the flow rate is adjusted from the discharge valve, located after the pump. The gear pump you will test in this experiment is an external gear type. In addition to pump performance results, lab reports included paragraphs on. The pump performance characteristic, which is pressure head jump, power requirement, flow rate influence and pump speed influence. Characteristics of single pump and pumps in series and. Experimental study of the flow in an external gear pump by. Set the pump speed and adjust the valve to obtain the corresponding torque. Thermal efficiency apparatus heat pump refrigerator introduction a heat pump is a heat engine run in reverse. An introduction to the technique and applications of pump.
The centrifugal pump is, by contrast, a rotodynamic machine. Experimental and numerical investigations have been carried out to study the behaviour of a centrifugal pump operating in direct mode or turbine mode. Compare the measured characteristics with the theoretical characteristics. Ce415l report requirements for lab report for exp 7 part 1 centrifugal pump performance curves on a single graph, labeled experiment 7 part 1 centrifugal pump performance curves, plot the following parameters vs. Apr 19, 2009 this is a very simple pump to build, so most low pressure pumps such as vacuum cleaner pumps, washing machine pumps etc work on this principle. Normally, when left alone, heat will flow from hot to cold. Single pump a set the 3way valve for flow in single pump and close the pump 2 outlet valve as shown in the figure 3 figure 3. Dppumps can provide a serie of certificates to proof the compliance of the product range of vertical and horizontal multistage centrifugal pumps and installations.
Pump 2 off pump 1 on b in the software, on the mimic diagram, set the mode to single by selecting the appropriate radio button the software will on the. In this technique, an ultrashort laser pulse is split into two portions. Lab 8centrifugal pump experimentmethod pump liquids. To study the characteristics of multistage two stage centrifugal pump, to calculate the. The experiment is carried out on a hilton heat pump rig r560. Performance optimization in a centrifugal pump impeller by. Index introduction page 1 chapteri,relationbetweenperipheralvelocity andhead 2 chapterii,design 9. The performance charts show that the maximum possible efficiency of the pump is less than 45% and the best. Centrifugal pump complete lab report pump fluid dynamics.
This experiential learning experience is encouraging for the continued use of the centrifugal pump experiment in the unit operations lab. Efficiency of the centrifugal pumplab report pump power. Several pioneering relevant studies on the basic theory, numerical simulation and experiment of how gasentrainment affects pump performance. To create head, power and efficiency characteristic curves for a centrifugal. The pump was operated nominally at reynolds number of 4e7, 3. Set the control valve at its fully closed position. Water tank closed loop pumps differential pressure transducers valves watt meters digital meters orifice flow meter prelab assignment.
One of the oldest and most familiar designs is the. This is due to their advantages like small in size, easier for maintenance, high efficiency, etc. Sep 10, 20 performance test centrifugal pump lab experiment. State key laboratory of hydro science and engineering, department of thermal. The inputs are set in each order which are temperature, flow indicator, pressure, power. Azouz 2, 1 department mechanical engineering, faculty of engineering, lebanese international university, beirut, lebanon. Experiment is simple so that it can be completed in short time e. But a heat pump does work to pump heat from the cold reservoir to the hot reservoir. The actual experimental setup consists of a multistage centrifugal pump set turbine. Though it requires oil to run, the annual oil change is a simple straightforward task that. Bourdon gages are mounted at the suction and discharge sides of the pump. Pump probe spectroscopy is the simplest experimental technique used to study ultrafast electronic dynamics. Centrifugal pumps sample pump curve 3500 is the rpm impeller size 6. Plot the pressure versus flow characteristic of the pump for each speed on the same plot.
For the purposes of the present experiment, it was desirable to provide experimental equipment which would make it possible to carry out flow visualization within. Performance characteristics of centrifugal pump conveying. The unit is provided with a digital electric meter to determine the power consumption of the motor compressor unit in watts, pressure gauges, thermocouples with a. Pdf experimental study on a centrifugal pump with an.
The rig comprises an integrated compressormotor unit, evaporator, condenser and a thermostatic throttling valve. The original pump was tested in centrifugal pump performance test platform. Experimental study on a centrifugal pump with an open impeller during startup period article pdf available in journal of thermal science 221 february 20 with 3,273 reads how we measure. Fluid mechanics centrifugal pump performance experiment 1. Centrifugal pump project engineering fluid mechanics. Maximum normal capacity line should not operate in the region to the right of the line because pump can be unstable. The size information indicates a 112 inch outlet pipe and a 2 inch inlet pipe with a nominal maximum impeller diameter of 6 inches.
Dec 07, 2014 fluid mechanics centrifugal pump performance experiment 1. Centrifugal pumps are part of the rotodynamic class of pumps. Heat pump experiment by muhammad hisyam abu hassan on prezi. Pdf performance analysis of an experimental centrifugal pump. These pumps are heavily used in industry to transport industrial fluids, hot water, and chilled water. The hydraulic properties of a pump can be described by some characteristics. Measure the pump outlet pressure and flow rate through the pump. Green paper centrifugal pump explosions keto pumps.
The nidaq max is being put to analog input in voltage for all of the inputs. A comparative study on centrifugal pump designs and two. It is designed in such a way that the kinetic energy of the water discharged at the outlet of the impeller is converted into pressure energy before the water leaves the casing and enters the delivery pipe. Tests on common pump sizes 6x4 and 8x6 have found the time for the water to start boiling exceeds 15 minutes, then another 15 minutes until the pressure in the pump is reaching the maximum allowable working pressure. In addition, this experiment gives the student further exposure to the use of. Vacuum pumps that require oil can be stored with the oil in the pump, but the oil should be changed each year. The numerical data obtained from a cfd study performed with the ansys cfx software and based on steady state and. The inverter also calculates the torque produced at the motor drive shaft, allowing the power used by the pump to be derived.
No name of experiment page no 1 calibration of venturimeter 1 2 calibration of orificemeter 5 3 determination of friction for a given pipe line 8 4 verification of bernoullis theorem 12 5 impact of jet on vanes 16 6 performance test on pelton wheel 20. The pump speed of the first pump is accurately controlled by an advanced electronic inverter within the ifd7 an essential accessory and can be varied over the full range. For either experiment 1 or 2 depending on the amount of data the more the better, calculate the efficiency of the pump at each data point. Secondary objectives are to familiarize the student with the characteristics of a centrifugal pump and to introduce the student to the homologous scaling relationships. Parametric study and design optimization of centrifugal pump.
Detection of the flow state for a centrifugal pump based on. For this experiment, we have follow the procedure in order to obtain the performance characteristic of the pump by using variable speed operating centrifugal pump at three impeller speeds. The liquid is carried in the pockets formed between the gear teeth and the housing as the two gears rotate. Index introduction page 1 chapteri,relationbetweenperipheralvelocity andhead 2 chapterii,design oct 26, 2009 stationary components of the centrifugal pump are the following.
Certificates and test reports dpv pumps and booster systems. The performance charts show that the maximum possible efficiency of the pump is. The pump consists of two spur gears inside an enclosure and in mesh with each other, as shown in the figure below. Efficiency of the centrifugal pumplab report free download as word doc. In this experiment, pump system performance will be determined. Eric ej969674 centrifugal pump experiment for chemical. Performance characteristics of centrifugal pump conveying soft slurry. In this experiment centrifugal pump is used domak slg1 1 hp. Pump head and flow rate will be measured in valid ways. Randy heisch, from georgetown in texas, very kindly sent us these incredible pictures. Experiment is simple all equipment and instruments can be obtained in short time e. Introduction in this experiment, we demonstrated the manner in which total pressure and volumetric flow rate change with different pump configurations. The influence of viscosity on the performance of centrifugal pumps has not received up to the present, the systematic atten tion of the pump engineers which this problem deserves in view of the ever increasing use of the centrifugal pump for the trans port of viscous liquids. Pdf experimental analysis of performance of centrifugal pump.
Experiment of a centrifugal pump during changing speed operation. Additional time is then needed before the pump would get to its burst pressure. Fluid mechanics centrifugal pump performance experiment. In a positive displacement pump, a fixed volume of fluid is forced from one chamber into another. The schematic arrangement of the test rig facility and test equipment are shown in figure2,whichhavethe. It is an air tight passage surrounding the impeller. Lab 8 centrifugal pump experiment method free download as pdf file. California state polytechnic university, pomona mechanical engineering department memorandum to. Another purpose of the lab is to check pump scaling laws. Experimental study on a centrifugal pump with an open impeller during startup period. Pumping straw a centrifugal pump experiments naked.
303 1552 1205 546 328 69 846 286 202 1002 1030 1365 829 390 1441 388 669 366 1234 112 806 682 685 1158 1255 1443 1243 545 1580 1549 1541 955 78 216 1333 603 580 951 1313 1259 1445