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a copper plate .25m in diameter at 150C is to be cooled on one side, in...

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Mechanical Engineering

a copper plate .25m in diameter at 150C is to be cooled on oneside, in air with ambient temprature of 25C and h=30W/m^2k, byattaching 30 copper pin fins each 0.02m diameter and 6cm long. tothe surface.calculate overall heat transfer rate and overalleffectiveness

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