Q1/The thermal conductivity 14.4w/m.k for the block of stainless steel shown below is well insulated on the front and back surfaces, and the temperature in the block varies linearly in both the x- and y directions, Find: The heat fluxes and heat flows in the x- and y-directions.
Q1/The thermal conductivity 14.4w/m.k for the block of stainless steel shown below is well insulated on the front and back surfaces, and the temperature in the block varies linearly in both the x- and y directions, Find: The heat fluxes and heat flows in the x- and y-directions.
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.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.35P
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![Q1/The thermal conductivity 14.4w/m.k for the block of stainless
steel shown below is well insulated on the front and back surfaces,
and the temperature in the block varies linearly in both the x- and
y directions,
Find: The heat fluxes and heat flows in the x- and y-directions.
5 cm
15°C
10°C
-5 cm -
10 cm
5°C
0°C
Q2-Consider a two layer composite wall of copper and Teflon as
shown below. The copper has a thickness of 10cm but the
thickness of the Teflon is to be determined. The temperature on
the left boundary is equal to 200 C and on the right boundary 25C.
Determine the thickness of the Teflon layer so that the heat flux
is equal to 200W/m2.
L2
T = 200C
Te = 25 C
L1 = 01m
TA
T3
%3D
- 007 = 5
coper
télon
Tc](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1a9bdeac-4320-4de9-9f09-af276af7ad7c%2F25245b9c-e4d6-4c7d-848d-525f60e2d407%2F8ekmf36_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Q1/The thermal conductivity 14.4w/m.k for the block of stainless
steel shown below is well insulated on the front and back surfaces,
and the temperature in the block varies linearly in both the x- and
y directions,
Find: The heat fluxes and heat flows in the x- and y-directions.
5 cm
15°C
10°C
-5 cm -
10 cm
5°C
0°C
Q2-Consider a two layer composite wall of copper and Teflon as
shown below. The copper has a thickness of 10cm but the
thickness of the Teflon is to be determined. The temperature on
the left boundary is equal to 200 C and on the right boundary 25C.
Determine the thickness of the Teflon layer so that the heat flux
is equal to 200W/m2.
L2
T = 200C
Te = 25 C
L1 = 01m
TA
T3
%3D
- 007 = 5
coper
télon
Tc
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