Energy Conservation Equation Control Volume out E st En+E。-Eom=dEu/dt=Et The rate at which thermal and mechanical energy enters a control volume,minus that leaving out,plus the rate at which thermal energy is generated within the control volume,should equal the rate of increase of energy stored within the control volume.Energy Conservation Equation in g out st Est E E E dE dt  +  −  == =  The rate at which thermal and mechanical energy enters a control volume, minus that leaving out, plus the rate at which thermal energy is generated within the control volume, should equal the rate of increase of energy stored within the control volume. Control Volume Ein  Eout  E g  Est 