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Question: an oil cooler on an engine is composed of 64...

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An oil cooler on an engineis composed off 64 tubes (of diameter 12.7 and length 5m bundled mm together in a radiator. If the tube interiors are smooth find the pressure drop across the cooler and the associated pumping power for an oil mass-flowrate of 8kg/s. Assume oil at a temperature of 300K. Hint: Calculate the Darceyfriction-factor and note that W F.Vel.. (Ans. W 4860W) Pump

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