What are the areas required for counterflow

Reference no: EM131279144

Water, cp = 4182 J/kg · K, at a flow rate of 2 kg/hr is heated from 7°C to 25°C in a double-pipe PPS oil cooler by engine oil, cp = 2072 J/kg · K, with an inlet temperature of 65°C and a flow rate of 10 kg/hr. The tubes have an outside diameter of 1 cm and the wall thickness is 0.2 cm. Take the thermal conductivity to be 0.3 W/m² · K and the heat transfer coefficient of water to be 4911 W/m · K, what are the areas required for counterflow.

Reference no: EM131279144

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