1M. A. Hammad, M.A. Alsaad. The use of hydrocarbon mixtures as refrigerants in domestic refrigerators. Applied thermal engineering, 1999,19:1181 - 1189.
2Y. S. Chang, M.S. Kim, S. T. Ro. Performance and heat transfer characteristics of hydrocarbon refrigerants in a heat pumpsystem. International journal of refrigeration, 2000,23:232 - 242.
3Emma K. Aisbett, Q. Tuan Pham. Natural replacements for ozone - depleting refrigerants in eastern and southern Asian. International journal of refrigeration, 1997,7.
4J. C. Blaise, T. Dutto and J. L. Ambrosino. First industrial application of non - azeotropic mixture. International journal of refrigeration, 1989, 5.
5Dongsoo Jung, Chong - 13o Kim, Kilhong Song and Byoungjin Park. Testing of propane/isobutene mixture in domestic refrigerators. International journal of refrigeration, 2000, 23: 517- 527.
6G. Lorentzen. The use of natural refrigerants, a complete solution to the CFC/HCFC predicament. International journal of refrigeration, 1995, 18, (3).
7Briggs D E, Young E.H. Convection heat transfer and pressure drop of air flowing across triangular pitch banks of finned tubes. The 5^th AICHE/ASME National Heat Transfer Conference, Houston, Texas, 1962.
8Gungor K E, Winterson R H S. A general correlation for flow boiling in tubes and annuli. International Journal of Heat and Mass Transfer, 1987, 29(3) :351 -358.
