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Determine the hourly loss of heat from a bare vertical steam pipe whose diameter d = 150 mm and the length h = 5 m, if the wall temperature tw = 160 deg C and the temperature of the surroundings (air) tf = 40 deg C and the mean temperature is 100°C. Use c = 0.54 and n =1/4. Physical properties of steam and the dimensionless terms at 100°C: km = 0.0276 kcal/m-hr-°C, vm= 2.31 x 10-5 m²/s and Prm = 0.69. Use C =0.54 and n = 1/4.

Determine the hourly loss of heat from a bare vertical steam pipe whose diameter d = 150 mm and the length h = 5 m, if the wall temperature tw = 160 deg C and the temperature of the surroundings (air) tf = 40 deg C and the mean temperature is 100°C. Use c = 0.54 and n =1/4. Physical properties of steam and the dimensionless terms at 100°C: km = 0.0276 kcal/m-hr-°C, vm= 2.31 x 10-5 m²/s and Prm = 0.69. Use C =0.54 and n = 1/4.

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
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Heat Transfer

Determine the hourly loss of heat from a bare vertical steam pipe whose diameter d = 150 mm and the length h = 5 m, if the wall temperature t = 160 deg C and the temperature of the surroundings (air) tf = 40 deg C and the mean temperature is 100°C. Use c = 0.54 and n =1/4. Physical properties of steam and the dimensionless terms at 100°C: km = 0.0276 kcal/m-hr-°C, vm = 2.31 x 105 m²/s and Prm = 0.69. Use C =0.54 and n = 1/4.
Transcribed Image Text:Determine the hourly loss of heat from a bare vertical steam pipe whose diameter d = 150 mm and the length h = 5 m, if the wall temperature t = 160 deg C and the temperature of the surroundings (air) tf = 40 deg C and the mean temperature is 100°C. Use c = 0.54 and n =1/4. Physical properties of steam and the dimensionless terms at 100°C: km = 0.0276 kcal/m-hr-°C, vm = 2.31 x 105 m²/s and Prm = 0.69. Use C =0.54 and n = 1/4.
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