In an air-cooling system, the outer surface of the cylinder and the cylindrical head in a reciprocating engine are cooled by air flowing over them. To increase the heat transfer rate from the surface, the metallic fins are cast on the cylinder and cylinder head. These …

Different methods of refrigeration are Dry ice refrigeration Evaporative refrigeration Thermo-electric refrigeration Steam jet refrigeration Liquid gas refrigeration and Vortex tube system of refrigeration Each of the above refrigeration …

A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle to extract heat from another body or substance. Ice, cold water, cold air, etc., can be treated as refrigerants. Desired properties of Refrigerants: 1. Vapor density:…