A 4-inch insulated arctic pipe is used for a construction camp. The lake source is 1500 meters away. The line is above ground on mud sills. Calculate the heat loss from the pipe if the outside ambient temperature is -40 deg F (minus 40). and the water coming out of the lake is at 1 deg C. Assume that the ID is 4-inches, OD is 4.5- inches and it s covered by 2-inches of urethane insulation. Use a k-factor of 34.9 BTU/hr-ft-degF for the pipe, 0.16 BTU-in/hr-ft2-degF for insulation, and an inside and outside convective film coefficients of 12.3 BTU/hr- ft2-deg F and 6.2 BTU/hr-ft2-deg F. Answer C 13.7 kW E 18.5 kW C 25.0kW C 28.5kW

A 4-inch insulated arctic pipe is used for a construction camp. The lake source is 1500 meters away. The line is above ground on mud sills. Calculate the heat loss from the pipe if the outside ambient temperature is -40 deg F (minus 40). and the water coming out of the lake is at 1 deg C. Assume that the ID is 4-inches, OD is 4.5- inches and it s covered by 2-inches of urethane insulation. Use a k-factor of 34.9 BTU/hr-ft-degF for the pipe, 0.16 BTU-in/hr-ft2-degF for insulation, and an inside and outside convective film coefficients of 12.3 BTU/hr- ft2-deg F and 6.2 BTU/hr-ft2-deg F. Answer C 13.7 kW E 18.5 kW C 25.0kW C 28.5kW

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.3DP

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