Enclosure - ME 410 Radiation Enclosures for Gray Opaque surfaces Summary Each surface in an enclosure must have a radiation equation associated

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ME 410 Radiation Enclosures for Gray, Opaque surfaces Summary Each surface in an enclosure must have a radiation equation associated with it. There are three possibilities depending on the thermal boundary condition. Temperature Condition - T i known T + J F = J 4 i i N 1 = j j ij i i σ ε ρ After the J’s are solved for the heat flux on surface i is then calculated by J F - J G - J = q N 1 = j j ij i i i i = Heat Flux Condition - known i q J F - J G - J = q N 1 = j j ij i i i i = After the J’s are solved for, the temperature of the i surface is given by J F - J G - J = T 1/4 i N 1 = j j ij i i 1/4 i i i i i = If the surface is adiabatic 0 = i q () J = J - 1 = J F - J G - J = T 1/4 i 1/4 i i i 1/4 i N 1 = j j ij i i 1/4 i i i i i = Convection Condition - h i and T f,i known
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This note was uploaded on 07/25/2008 for the course ME 410 taught by Professor Benard during the Spring '08 term at Michigan State University.

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