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Air at 0.8 atm enters at 18 C. Flows across bank of tubes 13 rows high and 7 rows deep at velocity of 9 m/s .The surfaces of tubes are maintained at 78 . The length of tubes is 1.2 m and the diameter of 1.5 cm .They are arranged in staggered manner so that the spacing in both the vertical and horizontal direction are 3cm and 2.25cm respectively. Calculate the total heat transfer and the exit air temperature.

Air at 0.8 atm enters at 18 C. Flows across bank of tubes 13 rows high and 7 rows deep at velocity of 9 m/s .The surfaces of tubes are maintained at 78 . The length of tubes is 1.2 m and the diameter of 1.5 cm .They are arranged in staggered manner so that the spacing in both the vertical and horizontal direction are 3cm and 2.25cm respectively. Calculate the total heat transfer and the exit air temperature.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Air at 0.8 atm enters at 18 C. Flows across bank of tubes 13 rows high and 7 rows deep at velocity of 9 m/s .The surfaces of tubes are maintained at 78 . The length of tubes is 1.2 m and the diameter of 1.5 cm .They are arranged in staggered manner so that the spacing in both the vertical and horizontal direction are 3cm and 2.25cm respectively. Calculate the total heat transfer and the exit air temperature.
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