Effect of temperature, suction head and flow velocity on cavitation in a Francis turbine of small hydro power plant

Pankaj P. Gohil and R.P. Saini

Energy, 2015, vol. 93, issue P1, 613-624

Abstract: Erosion due to cavitation in hydro turbines is one of the reasons for component failure that costs a lot to the hydro power plants. Inception and development of cavitation depend upon different parameters such as atmospheric pressure, suction head, velocity of flow, temperature, gas content in the liquid and operating hours of the turbine. Parameters generally considered for design of a turbine and are used to predict cavitation could be different at actual site. The cavitation in hydro turbine is predicted during model testing and correlated with specific speed. However the erosion and efficiency decay due to cavitation phenomena of turbines are too complex to stimulate which depends on other operating conditions at site.

Keywords: Cavitation rate; Efficiency loss; Francis turbine; CFX (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:93:y:2015:i:p1:p:613-624

DOI: 10.1016/j.energy.2015.09.042

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