Pbkp_rediction of forced convective condensation of non-azeotropic refrigerant mixtures inside enhanced surface tubing

Abstract:

In this paper, an experimental study on the heat transfer characteristics of two phase flow condensation of pure refrigerants such as R-12 and R-22 as well as non-azeotropic refrigerant mixtures R-22/R-114 and R-22/R-152a on horizontal enhanced surface tubing is presented. The enhanced surface tubing data showed a significant enhancement of the heat transfer compared to an equivalent smooth tube depending on the mixture components and their concentrations. Correlations were proposed to pbkp_redict the heat transfer characteristics such as average heat transfer coefficients as well as pressure drops of non-azeotropic refrigerant mixture flow condensation inside enhanced surface tubing. In addition, it was found that the refrigerant mixture's pressure drop is a weak function of the mixture composition. © 1993 Kluwer Academic Publishers.

Año de publicación:

1993

Keywords:

Fuente:

scopus