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Dropwise condensation of steam is achieved on a copper surface at 0.01 MPa (Tsat = 45.81 °C.hre = 2392.1 kJ/kg, c = 4.178 kJ/kg.K) The surface of copper is maintained at 40 °C and the steam is kept at the saturation temperature. Find the required heat transfer surface area for a condensation rate of 36 kg/hr..
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