Refrigerator S.J.T.U. Phase Transformation and Applications Expansion valve Expansion lowers pressure forcing vaporization pressure All real Hot reservoir Hot Cold refrigerators area area Cooling require coils work to 十十十 get heat to flow from Refrigerator a cold area Compressor to a warmer area. Cold reservoir Compression High forces pressure liquification SJTU Physical Chemistry of Materials Spring 2005 ©X.J.Jin Lecture 5 property relationPhase Transformation and Applications S. J. T. U. SJTU Physical Chemistry of Materials Spring 2005 © X. J. Jin Lecture 5 property relation Refrigerator