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c1 = 0.389× 103J/(kg ·K)
c3 = 1.80× 103J/(kg ·K)
c0 = 4.18× 103J/(kg ·K)
T0 = 0◦C
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m1 122.99 T1 -22.8
m2 31.87 T2 33.7
M1 318.4 T3 16.4
m0 =M −m1 −m2 163.54 θ 23.48
M2 347.59
m =M2 −M1 29.19
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t/s 5 10 15 20 25 30 35 40 45 50
T/e 32.9 32.2 31.8 31.4 30.3 29.3 28.1 27 26 25.1
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T/e 24.3 23.7 23.3 22.9 22.5 22.2 21.8 21.5 21.1 20.7
t/s 105 110 115 120 125 130 135 140 145 150
T/e 20.4 19.9 19.5 19.2 19 18.8 18.6 18.4 18.2 18
t/s 155 160 165 170 175 180 185 190 195 200
T/e 17.7 17.6 17.4 17.2 17.1 16.9 16.8 16.7 16.6 16.5
t/s 205 210 215 220 225 230 235 240 245 250
T/e 16.4 16.4 16.4 16.4 16.4 16.4 16.4 16.4 16.5 16.5
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L =
1
m
(m0c0 +m1c1 +m2c2)(T2 − T3)− c0(T3 − T0)− c3(T0 − T1)
Œ
L = 331.3× 103J/(kg ·K)
ր'
T2 − θ
θ − T3
≈ 1.34
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θ − T3
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