原效率n=(T1-T2)/T1=(1000-300)/1000=0.7=70%
1)
T1'=1100K
效率n'=(T1'-T2)/T1'=(1100-300)/1100=0.727=72.7%
增加:72.7%-70%=2.7%
2)
T2'=200K
效率n"=(T1-T2')/T1=(1000-200)/1000=0.80=80%
增加:80%-70%=10%
原效率n=(T1-T2)/T1=(1000-300)/1000=0.7=70%
1)
T1'=1100K
效率n'=(T1'-T2)/T1'=(1100-300)/1100=0.727=72.7%
增加:72.7%-70%=2.7%
2)
T2'=200K
效率n"=(T1-T2')/T1=(1000-200)/1000=0.80=80%
增加:80%-70%=10%