고체역학 (Gere) · Torsion · Problem 3.7-5
고체역학 (Gere) — Torsion: Problem 3.7-5
3.7-5 The propeller shaft of a large ship has an outside diameter 350 mm and inside diameter 250 mm, as shown in the figure. The shaft is rated for a maximum shear stress of 62 MPa. (a) If the shaft is turning at 500 rpm, what is the maximum horsepower that can be transmitted without exceeding the allowable stress? (b) If the rotational speed of the shaft is doubled but the power requirements remain unchanged, what happens to the shear stress in the shaft?
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