I would like to ask if there are any standards regarding the flow direction of the media in the shell and tube sides of a heat exchanger? Which pipe processes apply? Which are applicable to the shell side?
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Design standards for the tube and shell sides of heat exchangers
In principle, it’s possible in all cases; for fixed-tube-sheet configurations, clean fluids are generally used in the shell side, while fluids prone to scaling can be used in the tube side. Fluids with a temperature close to the ambient temperature should flow in the shell side. For U-tube and floating-head types, the tube bundle spacing can be adjusted to allow cleaning of the shell side as well. The solution should be determined based on the specific principal contradiction