CONTENTS
Table of figures 2
Objective 3
Introduction 3
Theory 3
Observe result 4
Sample calculation 10
Discussion of the result 11
Conclusion 11
References 12
Table of figures
Figure1. Experimental calculation for pump 1(30HZ) 4
Figure2. Operating characteristic curve (pump1 30Hz) 5
Figure3. Experimental calculation for pump 1(40HZ) 6
Figure4. Operating characteristic curve (pump1 40Hz) 6
Figure5. Experimental calculation for pump 1&2 in series (40HZ) 7
Figure6. Operating characteristic curve (pump1&2 in series, 40Hz) 8
Figure7. Experimental calculation for pump 1&2 parallel (40HZ) 9
Figure8. …show more content…
The main characteristic curves of centrifugal pumps are main characteristic curve, operating characteristic curves and constant efficiency curves. The main characteristic curve of a centrifugal pump composed of head, power and discharge and discharge to speed. If we keep speed as constant, the variation of power, manometric head and efficiency with respect to discharge gives the operating characteristic of centrifugal pump. For getting constant efficiency curve head vs discharge and efficiency vs discharge for different speed are …show more content…
Observed results
PUMP1 (30Hz)
Desc: Orifice Water Pump 1 Motor 1 Motor 1 Volume Pump 1 Pump 1 Overall pressure temperature Pressure speed power flow total power efficiency drop drop rate head output
Variables: dpo Tw dpp1 n1 Pgr1 Qv Hd P Egr [SPW1] [STSI] [SPW3] [SSO1] [SWA1]
Units: kPa deg C kPa Hz Watts m^3/s m Watts %
1:12:58 4.073923 26.43869 21.01135 29.75085 195.8964 7.89E-04 2.236735 17.25632 8.808901
1:14:08 2.659834 26.49243 30.1028 30.45432 175.8671 6.38E-04 3.166476 19.73926 11.22396
1:14:28 2.440987 26.49243 29.09264 30.36639 175.8671 6.11E-04 3.063171 18.29285 10.40152
1:15:17 1.498261 26.54616 31.71906 29.89741 151.9297 4.79E-04 3.332643 15.59017 10.26144
1:15:58 0.875388 26.54616 34.4465 30.10259 128.725 3.66E-04 3.611641 12.91438 10.03253
1:16:18 0.505032 26.5999 33.8404 29.80948 114.0694 2.78E-04 3.549642 9.640783 8.451684
1:16:33 0.252516 26.5999 35.65869 30.68881 99.41378 1.96E-04 3.735641 7.174272 7.216577
1:16:47 0.15151 26.5999 36.9719 30.33708 86.468 1.52E-04 3.869972 5.757001 6.657955
1:17:06 0.15151 26.5999 36.16377 29.8681 82.80411 1.52E-04 3.787307 5.634026