Which bearing has higher starting torque and rolling element
a) Which bearing has higher starting torque, rolling element bearing or journal bearing? Justify your answer.
b) When would you choose pressure fed journal bearings over hydrodynamic journal bearings?
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To improve the efficiency of a steam boiler system which generates 1000 psia steam for refinery process use, the boiler feed water (BFW) is to be preheated to 500oF from 100oF before it enters the boiler.
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Which bearing has higher starting torque, rolling element bearing or journal bearing? Justify your answer. When would you choose pressure fed journal bearings over hydrodynamic journal bearings?
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