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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 ) :
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
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Basic mechanical engineering (hydraulic and thermal machines)
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The Ultimate Scientific and Technical Reference