Consider a double-pipe parallel-flow heat exchanger of length L. The inner and outer diameters of the inner tube are D1 and D2, respectively, and the inner diameter of the outer tube is D3. Explain how you would determine the two heat transfer surface areas Ai and Ao. When is it reasonable to assume Ai = Ao = As?
Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
Consider a double-pipe parallel-flow heat exchanger
of length L. The inner and outer diameters of the inner tube
are D1 and D2, respectively, and the inner diameter of the
outer tube is D3. Explain how you would determine the two
heat transfer surface areas Ai and Ao. When is it reasonable to
assume Ai = Ao = As?
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