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Why is blade element theory preferred over momentum theory for designing a propeller?(a) Assumes flow inside stream tube as constant(b) Neglects span wise flow(c) Model thrust lag(d) Account for varying blade geometryI had been asked this question in unit test.The above asked question is from Blade Element Theory in portion Helicopter Dynamics of Aerodynamics |
Answer» Correct ANSWER is (d) Account for varying BLADE geometry |
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