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zero). Wall B has no heat generation and its outer surface (x = LA+LB) is exposed to a fluid at 25°C with a convection heat transfer coefficient of h. All other re

zero). Wall B has no heat generation and its outer surface (x = LA+LB) is exposed to a fluid at 25°C with a convection heat transfer coefficient of h. All other re

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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.
Chapter3: Transient Heat Conduction
Section: Chapter Questions
Problem 3.36P
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A composite plane wall of A and B is shown in the figure below. Wall A has uniform volumetric heating at a rate of 1898 kW/m3 (note that the unit is kW) and to prevent any heat loss through the surface at x=0 a uniform heat flux is provided as shown (i.e., all the generated heat in wall A flows in +x direction and the temperature gradient at x=0 is zero).

Wall B has no heat generation and its outer surface (x = LA+LB) is exposed to a fluid at 25°C with a convection heat transfer coefficient of h. All other relevant and ‘irrelevant’ values are given in the figure.

If the thickness of wall A is LA = 62 mm and the temperature at the interface T2 = 180 °C, calculate the temperature T1 in °C.

A composite plane wall of A and B is shown in the figure below. Wall A has uniform volumetric heating at a rate of 1898 kW/m3 (note that the unit is kW) and to prevent any heat loss through the surface at x=0 a uniform heat flux is provided as shown (i.e., all the generated heat in wall A flows in +x direction and the temperature gradient at x=0 is zero). Wall B has no heat generation and its outer surface (x = LA+LB) is exposed to a fluid at 25°C with a convection heat transfer coefficient of h. All other relevant and 'irrelevant' values are given the figure. If the thickness of wall A is LA = 62 mm and the temperature at the interface T2 = 180 °C, calculate the temperature T, in °C. Round your answer to the nearest integer value and write only the numerical value in the provided box, not the units. T2 T3 T = 25 °C wall A wall B k = 50 W/mK k = 150 W/mK LA La = 20 mm
Transcribed Image Text:A composite plane wall of A and B is shown in the figure below. Wall A has uniform volumetric heating at a rate of 1898 kW/m3 (note that the unit is kW) and to prevent any heat loss through the surface at x=0 a uniform heat flux is provided as shown (i.e., all the generated heat in wall A flows in +x direction and the temperature gradient at x=0 is zero). Wall B has no heat generation and its outer surface (x = LA+LB) is exposed to a fluid at 25°C with a convection heat transfer coefficient of h. All other relevant and 'irrelevant' values are given the figure. If the thickness of wall A is LA = 62 mm and the temperature at the interface T2 = 180 °C, calculate the temperature T, in °C. Round your answer to the nearest integer value and write only the numerical value in the provided box, not the units. T2 T3 T = 25 °C wall A wall B k = 50 W/mK k = 150 W/mK LA La = 20 mm
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