Question: A turbine has dimensions as shown in the Table. The rotational speed is 120 rpm and the discharge is 150 m/s. For no separation

A turbine has dimensions as shown in the Table. The rotational speed is 120 rpm and the discharge is 150 m/s. For no separation at the outlet of the runner, determine the guide vane angle at inlet and outlet. Radius Width Blade angle (as shown in the Figure) Rotational direction 75 80 Inlet 4.5 m 0.85 m 75 Final answer: a= 6.12 Outlet 2.5 m 0.85 m 80

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