Determine the incidence that corresponds to the blade

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Reference no: EM131240631

A low-speed compressor has stator vanes that are to have an inlet flow angle of 45 and anexit flow angle of 25.

a. Calculate the pitchchord ratio of the stators assuming a Lieblein diffusion factor of 0.45.Using Lieblein's diffusion factor reaching 0.6 as a criterion, and assuming that the exitflow angle remains constant, determine the incidence that corresponds to the blade stalling.

b. Use Carter's deviation correlation to estimate the required metal exit angle given that aparabolic arc camber line is employed with maximum camber at 40% chord. (Note thatsome iteration is needed.)

Reference no: EM131240631

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