Refrigerator S.J.T.U. Phase Transformation and Applications Expansion valve Expansion lowers pressure LOW forcing vaporization pressure All real Hot reservoir Hot Cold refrigerators area area Cooling require Q 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 Spring2010©X.J.Jin Lecture 5 property relation IPhase Transformation and Applications S. J. T. U. SJTU Physical Chemistry of Materials Spring 2010 © X. J. Jin Lecture 5 property relation I Refrigerator