Natural convection heat transfer in large spaces
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The book states that natural convection heat transfer in a large space refers to convection that occurs when there are no other objects surrounding the hot or cold surface that could hinder natural convection. I’m still a bit confused – how is it determined here? Is it based on the flow velocity of the fluid in the large space? For example, if the flow velocity of the external fluid is very low at present and the Reynolds number is also low, can it be concluded that natural convection is occurring? Since the formulas for the heat transfer coefficient vary depending on the situation, it is necessary to be clear about this. Please give me some guidance, master.
I’ll take on the task myself; I hope the master can give some guidance.