热机：航空发动机 S.J.T.U. Phase Transformation and Applications SJTU Thermodynamics of Materials Fall 2010 ©X.J.Jin Lecture 4 Second law llPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Fall 2010 © X. J. Jin Lecture 4 Second law II 热机：航空发动机