Research Article
A Comparative Study of Impeller Modification Techniques on the Performance of the Pump as a Turbine
Table 4
The deviation of CFD results at the BEP.
| | Measured parameter | Numerical result | Experimental result | Numerical error (%) |
| | Head (m) | 17.00 | 16.50 | 2.94 | | Flow rate (m3/h) | 27.50 | 28.00 | -1.82 | | (W) | 850.33 | 825.85 | 2.88 | | Efficiency (%) | 65.15 | 64.00 | 1.76 |
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