Prof.Mani,A.Refrigeration and Air Conditioning LaboratoryDepartment of Mechanical EngineeringINDIAN INSTITUTE OF TECHNOLOGY MADRASCHENNAI - 600 036 (INDIA)Phone (O): +91(0) 44 22574666, Fax: +91(0) 44 22570509 E-Mail: mania@iitm.ac.in