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On the annular‐to‐wavy flow pattern transition during condensation inside horizontal tubes
Author(s) -
Soliman H. M.
Publication year - 1982
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450600405
Subject(s) - diabatic , condensation , adiabatic process , mechanics , tube (container) , flow (mathematics) , thermodynamics , materials science , base (topology) , physics , mathematics , mathematical analysis , composite material
Abstract The annular to wavy and intermittent flow pattern transition during condensation inside horizontal tubes was investigated. Eight data sets corresponding to different tube diameters and different test fluids were used to test the predictions of several diabatic and adiabatic correlations. Deficiencies were found in these correlations which prevented consistent agreement with the data base. An improved correlation is proposed and shown to have a good deal of generality and accuracy in predicting this transition.