RESEARCH Personal research and supervision of students Originally, my teaching and research interests were in computational fluid dynamics. During the period 1993 to 1994 it shifted to experimental thermal/fluid sciences with specific application to air-conditioning and refrigeration systems. To make this possible, I started specialising in fluid mechanics, thermodynamics and heat transfer - the main building blocks that have to be integrated for developing new refrigeration and air-conditioning systems. The emphasis of my research at present is on enhanced heat transfer, convection heat transfer, condensation heat transfer, evaporation heat transfer of new refrigerants and zeotropic refrigerants and heat transfer fouling.