Correlation of mist‐to‐annular transition during condensation

A theory is proposed for correlating the mist-annular transition during condensation based on a balance between destructive and stabilizing forces acting on the liquid film. The resulting correlation is shown to be capable of good agreement with a data base corresponding to a wide range of fluid properties and tube diameters. A fair deal of generality is demonstrated by testing the correlation outside the range from which it was developed. On propose une theorie pour etablir une correlation relativement a la transition brouillard-condensation annulaire lors d'une condensation basee sur un bilan entre les forces destructives et stabilisantes qui agissent sur le film liquide. On indique que la correlation resultante concorde bien avec un ensemble de donnees qui embrassent une vaste gamme de proprietes de fluides et de diametres de tubes. On montre que la correlation a un caractere assez general, en examinant sa capacite de prediction en dehors de la gamme sur laquelle elle a ete developpee.