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On Flow Fields in Tubular Heat Exchangers – Numerical Calculations and Flow Visualization
Author(s) -
Savtchenko T.,
Fallen M.,
Ebert F.
Publication year - 2001
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/1521-4125(200107)24:7<706::aid-ceat706>3.0.co;2-p
Subject(s) - heat exchanger , mechanics , heat transfer , flow visualization , computational fluid dynamics , micro heat exchanger , materials science , flow (mathematics) , dynamic scraped surface heat exchanger , shell and tube heat exchanger , fouling , visualization , thermodynamics , heat transfer coefficient , chemistry , mechanical engineering , engineering , physics , critical heat flux , biochemistry , membrane
A method for hydrodynamic optimization of tubular heat exchangers is presented, comprising measurements on a real tubular heat exchanger, visualization of the flow field in a water channel, and numerical calculations with CFD programs. The velocity profile appearing in a tube bundle and the parameters influencing it are investigated. With the results obtained on the distribution of the flow medium it is possible to estimate the effect of nonhomogeneity on heat transfer, dissipation and fouling.