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A simple heat exchanger consists of a hot fluid flowing inside a tube and a cold fluid flowing around (outside) that tube. What heat-transfer mechanisms operate in the following phases of transfer? a. Heat transfer from the inside fluid to the tube wall b. Heat transfer through the tube wall c. Heat transfer from the tube wall to the outside fluid

Question-Answer › Category: Chemical Engineering › A simple heat exchanger consists of a hot fluid flowing inside a tube and a cold fluid flowing around (outside) that tube. What heat-transfer mechanisms operate in the following phases of transfer? a. Heat transfer from the inside fluid to the tube wall b. Heat transfer through the tube wall c. Heat transfer from the tube wall to the outside fluid
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G Teja asked 8 months ago

A simple heat exchanger consists of a hot fluid flowing inside a tube and a cold fluid flowing around (outside) that tube. What heat-transfer mechanisms operate in the following phases of transfer? a. Heat transfer from the inside fluid to the tube wall b. Heat transfer through the tube wall c. Heat transfer from the tube wall to the outside fluid

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R K answered 8 months ago

a) Since heat transfer takes place between 2 different phases i.e fluid to solid, Therefore It Convective heat transfer.
b) Similarly heat transfer takes place between 2 different phases i.e solid to fluid, Therefore It Convective heat transfer.
c) From inside fluid to tube tube wall there will be a convective heat transfer, than there will be a conductive heat transfer with in the wall of tube follwed be convective heat transfer from tube wall to fluid outside the tube.

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