Question

A 90mm diameter shaft rotates at 1200 rpm in a 100mm long journal bearing of 90.5 mm internal diameter. The annular space in the bearing is filled with oil having viscosity of 0.12 pa.s . Estimate power dissipated in the bearing

Answer 1

Answer:

Ans. F 88.08 N) 1.14 A 90 mm diameter shaft rotates at 1200 rpm in a 100 mm long journal bearing of 90.5 mm internal diameter. The annular space in the bearing is filled with oil having a dynamic viscosity of 0.12 Pa.s. Estimate the power dissipated as heat. Ans. P434 W)