An axial-flow fan operates in sea level air at 1200 r/min and has a blade-tip diameter of

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An axial-flow fan operates in sea level air at 1200 r/min and has a blade-tip diameter of 1 m and a root diameter of 80 cm. The inlet angles are α1 = 55° and β1 = 30°, while at the outlet β2 = 60°. Estimate the theoretical values of the
(a) Flow rate,
(b) Horse-power, and
(c) Outlet angle α2.
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Fundamentals of Thermodynamics

ISBN: 978-0471152323

6th edition

Authors: Richard E. Sonntag, Claus Borgnakke, Gordon J. Van Wylen

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