A turbine of the francis type operates with a head of 200 m, Ask an Expert

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A turbine of the Francis type operates with a head of 200 m and flow rate of 3m³/s. The peak efficiency occurs at a head coefficient C_Hof 9, a flow coefficient C_Q of 0.3, and a power coefficient C_P of 2.5 (as defined in Section 12.7). Estimate the size of the machine, the maximum power produced, and the speed.

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