CO2混合工质的气液相平衡的混合规则对比与预测研究

吴子睿,孙瑞,石凌峰,田华,王轩,舒歌群

A comparative and predictive study of the mixing rules for the vapor-liquid equilibria of CO2-based mixtures

Zirui WU,Rui SUN,Lingfeng SHI,Hua TIAN,Xuan WANG,Gequn SHU

表1 三种混合规则对CO2+HFCs/HFOs混合工质的气液相平衡计算偏差

Table 1 Calculation deviations in the vapor-liquid equilibrium of the CO2+HFCs/HFOs mixtures by three mixing rules

混合工质 实验点数 T/K WS MHV1 vdW AARD(p) AAD(y) AARD(p) AAD(y) AARD(p) AAD(y) CO2+R134a[5-6] 59 252~338 1.09% 0.0087 1.10% 0.0117 1.42% 0.0115 CO2+R143a[18] 58 273~313 0.72% 0.0050 1.52% 0.0067 1.67% 0.0103 CO2+R152a[9] 67 258~343 0.36% 0.0034 1.03% 0.0087 1.65% 0.0094 CO2+R227ea[8] 77 278~333 0.63% 0.0089 1.23% 0.0150 1.31% 0.0144 CO2+R32[19] 45 283~323 0.66% 0.0055 0.92% 0.0079 1.46% 0.0087 CO2+R1234yf[10] 46 283~323 0.41% 0.0037 1.21% 0.0082 1.17% 0.0123 CO2+R1234ze(E)[11] 67 283~333 0.43% 0.0034 0.99% 0.0055 1.20% 0.0074 平均 0.61% 0.0055 1.14% 0.0091 1.41% 0.0110