1.Difference between nusselt and biot number 2. What is conduction and how conduction take place in solid and Liquid 3. what is heat exchanger

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Accepted Answer

Nusselt number represents convective heat transfer, Biot number represents ratio of internal resistance to external resistance. Conduction is heat transfer through a material.

Nusselt number is used to characterize convective heat transfer, while Biot number represents the ratio of internal resistance to external resistance in a material.
Conduction is the transfer of heat through a material without any movement of the material itself.
Conduction in solids occurs through the vibration and collision of atoms or molecules, while in liquids it occurs through the movement of molecules.
Heat exchangers are devices used to transfer heat between two or more fluids at different temperatures, without mixing them.

1.Difference between nusselt and biot number 2. What is conduction and how conduction take place in solid and Liquid 3. what is heat exchanger

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