Abstract
The influence of two different shapes impeller blades on performance of centrifugal water pump is experimentally investigated under different operational conditions. Test rig is designed and used to operate the required pump during different conditions. The centrifugal water pump is tested under different flow rate with two types of impellers each one consists different blades angle. The experimental results showed that the impeller blade different geometry could improve the water pump mechanical efficiency, the head, the power, and the volumetric efficiency by 11.7, 15.38, 24.2, and 12.9% respectively. The experimental results showed better centrifugal water pump performance when impeller blade with higher outlet angle is used.
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