Article | REF: BM4405 V1

Hydraulic turbines

Authors: Lucien MEGNINT, Georges VERDURAND, Robert REY

Publication date: October 10, 2008

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1. Turbine classification

For a hydraulic turbine, the available head or net headH, is equal to the gross head H 0 minus the head losses Δh in the pipes outside the machine (figure 1 ) :

H=H0Δh( 1 )

As in the case of all turbomachinery, the problems to be dealt with concerning hydraulic turbines take two forms:

  • sizing of the most suitable machine to meet a given specification;

  • performance evaluation of an...

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Turbine classification