Problem 6 there are times when contact resistance between two surfaces is so small compared to the overall thermal resistance, that it can be neglected for further calculations. If the plates shown in the figure below are 100mm square, can an Rc = 0.00008- m²K thermal contact W resistance between the copper and steel be neglected? Why? T. = 60°C W h = 30 m²K Twall1 = 300°C Copper Steel 12mm 3mm

Elements Of Electromagnetics
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Thermal Conductivity of Copper is 400 and steel is 20

Problem 6
there are times when contact resistance between two surfaces is so
small compared to the overall thermal resistance, that it can be neglected for further calculations. If the
plates shown in the figure below are 100mm square, can an Rc
0.00008m?к
thermal contact
W
resistance between the copper and steel be neglected? Why?
= 60°C
Twall1 = 300°C
W
h = 30
m²K
Copper
Steel
12mm
3mm
Transcribed Image Text:Problem 6 there are times when contact resistance between two surfaces is so small compared to the overall thermal resistance, that it can be neglected for further calculations. If the plates shown in the figure below are 100mm square, can an Rc 0.00008m?к thermal contact W resistance between the copper and steel be neglected? Why? = 60°C Twall1 = 300°C W h = 30 m²K Copper Steel 12mm 3mm
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