THE EFFECT OF SOLID-LIQUID MIXTURE ON CAVITATION CHARACTERISTICS OF A CENTRIFUGAL PUMP

Document Type : Original Article

Authors

1 Department of Mechanical Engineering, Faculty of Engineering, Shebin El-Kom Minoufiya University, Egypt.

2 Department of Mechanical Engineering, Faculty of Engineering, Shebin El-Kom Minoufiya University, Egypt

3 Mechanical and Elect~iccal Research Institute (MERI), National Water Research Center (NWRC), Delta Barrage, Egypt.

Abstract

The objective of the present study is to present new experimental results of the effect of solids on
the cavitation inception of centrifugal pump under varying suction conditions. The experiments
were conducted using sand slurry with different solids size at different concentration and different
pump speed. Measurements of power consumption, flow rate, total head developed by the pump
were made in order to obtain the effect of solids on the cavitation characteristics of centrifugal
pumps handling slurries. The results show that the cavitation inception has been accelerated with
increasing solid concentration, and pump speed while the particle size has little effect on cavitation
inception.

Keywords

ERJ. Engineering Research Journal
Volume 32, Issue 4
October 2009
Pages 511-520

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