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Unformatted text preview: of the heat transfer surface area required to achieve the prescribed condensation rate. Also calculate the air outlet temperature. (2) From the manufacturer of the heat exchanger core, it is also known that U is proportional to V 0.7 . During daily operation the air inlet temperature is not controllable and may vary from 27 to 38ºC. If the heat exchanger area is fixed by the result of part (1), determine the range of air velocities needed to maintain the prescribed condensation rate. Plot the velocity as a function of the air inlet temperature. (You may need a computer for part (2).) (3) Make brief discussions on the results from (2)....
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- Fall '09