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A test is conducted to determine the overall heat transfer coefficient in an automotive radiator that is a compact cross flow watertoair heat exchangerwith both fluids air and water The radiator

A test is conducted to determine the overall heat transfer coefficient in an automotive radiator that is a compact cross-flow water-to-air heat exchangerwith both fluids (air and water). The radiator has40 tubes of internal diameter 0.5 cm and length 65 cm in a closely spacedplate-finned matrix. Hot water enters the tubes at 90C at a rate of 0.6 kg/sand leaves at 65C. Air flows across the radiator through the inter fin spacesand is heated from 20C to 40C. Determine the overall heat transfer coefficientUi of this radiator based on the inner surface area of the tubes.

The Specific heat of water is 4.195 kJ/kg

 

Jun 15 2020 View more View Less

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