A preheater involves the use of condensing steam at100C on
Chapter 7, Problem 7.90(choose chapter or problem)
A preheater involves the use of condensing steam at100C on the inside of a bank of tubes to heat air thatenters at 1 atm and 25C. The air moves at 5 m/s incross flow over the tubes. Each tube is 1 m long andhas an outside diameter of 10 mm. The bank consists of 196 tubes in a square, aligned array for which ST = SL = 15 mm. What is the total rate of heat trans-fer to the air? What is the pressure drop associatedwith the airflow?
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