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Air is to be heated by passing it over a bank of 3 m long tubes inside which steam is condensing at 100°C. Air approaches the tube bank in the normal direction at 20°C and I atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of S. = S, = 4 cm. There are 20 rows in the flow direction with 10 tubes in each row. Determine (a) the rate of heat transfer, (b) and pressure drop across the tube bank,

Air is to be heated by passing it over a bank of 3 m long tubes inside which steam is condensing at 100°C. Air approaches the tube bank in the normal direction at 20°C and I atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of S. = S, = 4 cm. There are 20 rows in the flow direction with 10 tubes in each row. Determine (a) the rate of heat transfer, (b) and pressure drop across the tube bank,

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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Q11) Air is to be heated by passing it over a bank of 3 m long tubes inside which steam is condensing at 100ºC. Air approaches the tube bank in the normal direction at 20°C and 1 atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of S, = Sp = 4 cm. There are 20 rows in the flow direction with 10 tubes in each row. Determine (a) the rate of heat transfer, (b) and pressure drop across the tube bank,
Transcribed Image Text:Q11) Air is to be heated by passing it over a bank of 3 m long tubes inside which steam is condensing at 100ºC. Air approaches the tube bank in the normal direction at 20°C and 1 atm with a mean velocity of 5.2 m/s. The outer diameter of the tubes is 1.6 cm, and the tubes are arranged staggered with longitudinal and transverse pitches of S, = Sp = 4 cm. There are 20 rows in the flow direction with 10 tubes in each row. Determine (a) the rate of heat transfer, (b) and pressure drop across the tube bank,
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