Question: Air at 1 atm flows normal to a square in-line bank of 400 tubes having diameters of 6 mm and lengths of 50 cm. Sn

Air at 1 atm flows normal to a square in-line bank of 400 tubes having diameters of 6 mm and lengths of 50 cm. Sn =Sd =9 mm. The air enters the tube bank at 300 K and at a velocity such that the Reynolds number based on inlet properties and the maximum velocity at inlet is 50,000. If the outside wall temperature of the tubes is 400 K, calculate the air temperature rise as it flows through the tube bank.

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d 6 mm L 50 cm Sn Sd 9 mm Rmax at inlet 50000 Pr 0697 p 0998 Spd Snd 96 150 Nu 0278 50000... View full answer

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