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radiation
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Radiation Heat Transfere = emissive powerG = total irradiationJ = total radiosityIn general:Opaque material:a = absorptivityr = reflectivityt = transmissivitye = emissivitya=e
lelEnergyIdeal EmitterSchematicT3> T2> T1
lelEnergySchematic
Radiation Heat TransferThermal EquilibriumView Factor: Fij = fraction of radiation from surface i intercepted by surface j.
Radiation Heat TransferNo net heat flux wallAnalog circuitFind:
Radiation Heat Transfer
Radiation Heat Transfer
Radiation Heat Transfer
Radiation Heat Transfer
Radiation Heat TransferConsider the radiation heat transfer between two infinite parallel plates.Special Case
Radiation Heat TransferConsider the radiation heat transfer between a small object and infinite surroundings.1SSpecial Case