(Answered) A pelton impulse turbine has blades designed so that the

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A Pelton impulse turbine has blades designed so that the direction of the incoming water jet with speed u is reversed. If the speed of the blades is u_c then, relative to the blade, the magnitude of the total change in the velocity of the jet is 2(u- u_c).

If the flow of water is Q m^3s^-1 find expressions for the force on the blade and the power produced. Hence determine the maximum power output.

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