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Flow pattern boundaries during condensation: New experimental data
Author(s) -
Rahman M. M.,
Fathi A. M.,
Soliman H. M.
Publication year - 1985
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.5450630404
Subject(s) - adiabatic process , flow (mathematics) , condensation , mechanics , slug flow , thermodynamics , materials science , geology , physics , two phase flow
New experimental data on the flow patterns of condensing steam inside horizontal tubes of 13.4 and 25.3‐mm i.d. are presented and discussed. Comparisons with flow pattern maps of adiabatic (gas‐liquid) and condensing flows, as well as individual transition correlations, resulted in good agreements at the mist‐annular and annular‐wavy transitions. All of the horizontal flow pattern correlations tested failed in reasonably predicting the wavy‐slug transition while the results of gas‐liquid flow in upwardly inclined tubes appear to provide some explanation of the trend at this transition.