The mist-annular transition during condensation and its influence on the heat transfer mechanism

Abstract Influence of the mist-annular transition on the heat transfer mechanism during condensation is studied. It is shown that the applicability of annular flow correlations cannot be extended with accuracy to the mist region and that a dimensionless parameter. We can be used in defining the departure from annular flow conditions. A heat transfer correlation is suggested for the mist region and shown capable of good agreement with a data base of different fluids and tube orientations.