Consider the situation described in Example 8 74 however, imagine that the turbine is now located at one half z1 and that the discharge pipe is extended down to z 2 ( 0), the original discharge location What is the ideal power produced by the turbine Assuming the discharge pipe to be frictionless, ...

ANSWER Solution If the turbine is located at onehalf z1 and the discharge pipe extends down to z2 0 then the maximum available head is z12 0 z12 There ...

Consider the situation described in Example 8.74; however, imagine that the turbine is now located at one-half

Question:

Consider the situation described in Example 8.74; however, imagine that the turbine is now located at one-half z1 and that the discharge pipe is extended down to z₂ (= 0), the original discharge location. What is the ideal power produced by the turbine? Assuming the discharge pipe to be frictionless, what is the pressure at the turbine outlet? Discuss.

Example 8.74

The elevation change available at the Grand Coulee Dam is 330 ft. What is the maximum possible power per unit mass flow rate that a hydro turbine can produce at this site? What mass flow rate of water is required to produce 100 MW of shaft power?

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