Answered: Air 0°C 1 atm 5 m/s S7 = 1.5 cm 0.8 m…

Engineering

Mechanical Engineering

Air 0°C 1 atm 5 m/s S7 = 1.5 cm 0.8 m 0.8 cm S=1.5 cm/ Refrigerant, -20°C

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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Question

The air in the evaporator section of a refrigerator will be cooled by passing it over a bundle of pipes with an outer diameter of 0.8 cm and a length of 0.8 m, in which the refrigerant is evaporated at -20°C. Air approaches the pipe bundle perpendicularly with an average speed of 5 m/s at 0°C and 1 atm.The sticks are arranged in a staggered manner.

Air
0°C
1 atm
5 m/s
S7 = 1.5 cm
0.8 m
0.8 cm
S=1.5 cm/
Refrigerant, -20°C

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