General Studies · Hydraulic Turbines
The formula for the maximum theoretical efficiency (ηmax) of a Pelton wheel turbine is , where Φ is the outlet vane angle.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ηmax = cos(Φ)2
- 2ηmax = 1 + cos(Φ)2✓
- 3ηmax = 1 + sin(Φ)2
- 4ηmax = sin(Φ)2
Correct answer
ηmax = 1 + cos(Φ)2
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