制冷剂的热力学性质表

制冷剂的热力学性质表

常用制冷剂热力学性质表

在制冷的应用计算中，还经常用到制冷剂的热力性质表。在表中详细列出了制冷剂的六种热力学基本参数的具体数值，包括：温度值（℃）、压力值（P）、饱和液体和干饱和蒸气的比容值（v）、焓值（h）、熵值（s）及蒸发潜热（即汽化热r），根据制冷剂的饱和温度或饱和压力，可以很方便地查到在该状态下的其余几种热力学参数的数值，为热力学计算提供了极大的方便，大大地简化了许多复杂的计算程序。制冷剂的热力学性质表（一）

R12制冷剂饱和状态热力性质表1

焓绝对压力比容

温度t

P液体v/蒸气v//液体h/（℃）

（MPa）(dm3/kg)(m3/kg)(kJ/kg)-35-30

0.08070.1004

0.66560.67200.67230.67860.68550.69260.70010.7078

0.19540.15940.15820.13120.10890.09100.07660.0650

168.37172.81172.99177.28181.76186.28190.82195.39

熵

汽化热r

蒸气//蒸气S//(kJ/kg)液体S/（kJ/kg）(kJ/kg·K)(kJ/kg·K)335.85338.15338.24340.42342.68344.92347.14349.43

167.48165.34165.25163.14160.92158.64156.32153.93

0.87680.89520.89590.91330.93110.94870.96600.9831

1.58001.57511.57601.57071.56671.56321.56001.5571

-29.7920.10044-25-20-15-10-5

0.12370.15090.18260.21910.2610

（一）

R12制冷剂饱和状态热力性质表2

焓温度绝对压比容

t力P液体v/蒸气v//液体h/（℃）（MPa）(dm3/kg)(m3/kg)(kJ/kg)010203040

0.30860.42330.56730.74490.9607

0.71590.73330.75250.77390.7980

0.05540.04090.03080.02350.0182

200.00209.32218.82228.54238.54

汽化热熵r蒸气//液体S/蒸气S//

（kJ/kg）(kJ/kg)(kJ/kg·K)(kJ/kg·K)351.48355.69359.73363.57367.15

151.48146.37140.91135.03128.61

1.00001.03321.06581.09801.1298

1.55451.55011.54651.54331.5405

501.21930.82570.0142248.88370.40121.521.1617

1.5377

（二）R22制冷剂饱和状态热力性质表1

温度绝对压比容焓汽化热熵t力Pr

液体v/蒸气v//液体h/蒸气//液体S/蒸气S//

（℃）（MPa）(kJ/kg)

(dm3/kg)(m3/kg)(kJ/kg)（kJ/kg）(kJ/kg·K)(kJ/kg·K)-50-45-40.818-40-30-20-10

0.064550.08290.10130.10530.16390.24530.3547

0.69680.70380.70990.71100.72620.74270.7607

0.32330.25590.21220.20480.13520.09250.0651

144.23149.72154.32155.24166.25177.31188.53

383.55385.89387.82388.20392.63396.91400.97

239.32236.17233.50232.96226.38219.60212.44

0.77600.80030.82040.82420.87020.91460.9577

1.84871.81851.82521.82311.80141.78211.7649

（二）R22制冷剂饱和状态热力性质表2温度绝对压比容

t力P

液体v/蒸气v//

（℃）（MPa）

(dm3/kg)(m3/kg)0102030405060

0.49790.68090.91011.19121.53411.94322.4279

0.78040.80210.82650.85410.88610.92400.9706

0.04700.03460.02590.01970.01510.01160.0089

焓

液体h/蒸气//(kJ/kg)（kJ/kg）200.00211.76223.86236.38249.45263.05277.46

404.73408.17411.18413.74415.66416.79416.83

汽化热r(kJ/kg)

熵

液体S/蒸气S//(kJ/kg·K)(kJ/kg·K)1.00001.04191.08331.12431.16581.20721.2500

1.74941.73521.72221.70921.69671.68331.6682

204.73196.41187.32177.36166.21153.74139.37

（三）

R134a制冷剂饱和状态热力性质表1

焓温度绝对压比容汽化热熵

t力Pr液体v/蒸气v//液体h/蒸气//液体S/蒸气S//（℃）（MPa）(dm3/kg)(m3/kg)(kJ/kg)（kJ/kg）(kJ/kg)(kJ/kg·K)(kJ/kg·K)-30-20

0.08470.1330

0.7020.736

0.2240.146

161.9174.2

379.1385.3

217.2211.1

-100

0.20070.2928

0.7530.772

0.0990.069

187.0200.0

391.3397.2

204.3197.2

（三）

R134a制冷剂饱和状态热力性质表2焓温度绝对压比容

t力P液体v/蒸气v//液体h/（℃）（MPa）(dm3/kg)(m3/kg)(kJ/kg)102030405060

0.41460.57160.77011.01641.31761.6813

0.7930.8160.8420.8710.9060.949

0.0490.0360.0260.0200.0150.011

213.4227.3241.5256.2271.5287.4

熵

汽化热r

蒸气//蒸气S//(kJ/kg)液体S/（kJ/kg）(kJ/kg·K)(kJ/kg·K)402.9408.3413.5418.3422.5426.0

189.5181.0172.0162.1151.0138.6