Convection heat transfer and radiation heat transfer
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Convection heat transfer refers to the heat transfer method that transfers heat from one part of space to other parts by changing the positions of liquid or gas particles with each other. Radiation heat transfer is a heat transfer method that uses electromagnetic waves to transfer energy. The heat energy does not rely on any transfer medium. There must be convection heat transfer in the process of radiation heat transfer, right? There must be radiation heat transfer in the same convection heat transfer, right?
? ? ? ? ? ? What do you mean? ? ? ? Why study this? ? ? There is no absolute! ! !