Why do we have winter heating? S.J.T.U. Phase Transformation and Applications A.To make the room warmer Temperature B.To import lacking (inner, thermal)energy SJTU Thermodynamics of Materials Spring2006©X.J.Jin IntroductionPhase Transformation and Applications S. J. T. U. SJTU Thermodynamics of Materials Spring 2006 © X. J. Jin Introduction Why do we have winter heating? A. To make the room warmer / Temperature B. To import lacking (inner, thermal) energy