12.19 The impeller of a radial-flow turbine has an outer radius of 4 ft, turning at 200 rpm. The volume flow rate is 1000 ft³/s, and it discharges in the axial direction. Neglect all losses. If the tangential component of the velocity at the inlet is 5 ft/s, find: (a) The torque exerted on the impeller. (b) The power developed by the machine.

Elements Of Electromagnetics
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12.19
The impeller of a radial-flow turbine has an outer radius of 4 ft, turning at 200 rpm.
The volume flow rate is 1000 ft³/s, and it discharges in the axial direction. Neglect all losses.
If the tangential component of the velocity at the inlet is 5 ft/s, find:
(a) The torque exerted on the impeller.
(b) The power developed by the machine.
Transcribed Image Text:12.19 The impeller of a radial-flow turbine has an outer radius of 4 ft, turning at 200 rpm. The volume flow rate is 1000 ft³/s, and it discharges in the axial direction. Neglect all losses. If the tangential component of the velocity at the inlet is 5 ft/s, find: (a) The torque exerted on the impeller. (b) The power developed by the machine.
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