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PCHE pressure drop for simulation modeling

asked Apr 5, 2015 in Simulation by ChemKB (8,210 points)
  1. What pressure drop should be used for PCHE heat exchanger in process simulation models such as HYSYS.

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answered Apr 5, 2015 by keler01 (1,380 points)

PCHE pressure drop assumption will depend on the type of process:

Generally in systems where fouling is predicted the pressure drop for the clean printed circuit heat exchanger shall be restricted to 90 % of the allowable value.

In addition pressure drop losses should also include all those occurring in nozzles, header tanks, bends, fittings, manifolds, distribution, thermal sections, etc.

The pressure drop for the strainer shall be additional to the stated printed circuit heat exchanger pressure drop. 

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