An electrical power transformer of diameter 230 mmand
Chapter 8, Problem 8.103(choose chapter or problem)
An electrical power transformer of diameter 230 mmand height 500 mm dissipates 1000 W. It is desired tomaintain its surface temperature at 47C by supplyingethylene glycol at 24C through thin- walled tubing of20-mm diameter welded to the lateral surface of thetransformer. All the heat dissipated by the transformeris assumed to be transferred to the ethylene glycol.Assuming the maximum allowable temperature rise ofthe coolant to be 6C, determine the required coolantflow rate, the total length of tubing, and the coil pitchSbetween turns of the tubing
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