heat transfer coefficient of 10 W/m2-K. If the inner surface tem- perature of the pipe is maintained at a constant temperature of 150°C, determine the temperature at the base of the flange and the rate of heat loss through the flange. Air, 25°C h = 10 W/m2-K D; = 90 mm D;= 50 mm -T; = 150°C D, = 60 mm Pipe, k = 16 W/m•K t = 20 mm FIGURE P3-127

heat transfer coefficient of 10 W/m2-K. If the inner surface tem- perature of the pipe is maintained at a constant temperature of 150°C, determine the temperature at the base of the flange and the rate of heat loss through the flange. Air, 25°C h = 10 W/m2-K D; = 90 mm D;= 50 mm -T; = 150°C D, = 60 mm Pipe, k = 16 W/m•K t = 20 mm FIGURE P3-127

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.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.17P: Determine the rate of heat transfer per meter length to a light oil flowing through a 2.5-cm-ID,...

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STEAM FLOW IN AN INSULATE PIPE AT ATEMPERATURE 130 C. THE INSIDE HEAT TRANSFER COEFFICIENT IS 79 W/M-K AND THE OUTSIDE COEFFICIENT IS 15 W/M-K. THE PIPE IS MILD STEEEL (K=57 WLM-K) AND HAS AN INSIDE RADIUS OF 50 MM AND AN OUTSIDE RADIUS 57 MM. THE PIPE IS COVERD WITH A 25.4 MM LAYER ( K=0.09 W/M-K). DETERMINE THE OVERALL HEAT TRANSFER COEFFICIENTIF THE SURROUNDING AIR TEMPERATURE IS 21.1 C.
A 10 ft length of pipe with an inner radius of 1 in and outer radius of 1.25 in has an outer surface temperature of 250 F. The heat transfer rate is 30,000 BTU/hr. Find the interior surface temperature. Assume k = 25 BTU/hr-ft-F.
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