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5 CO2+HFCs/HFOs混合工质的二元交互作用参数的最优值 （vdW混合规则）

Table 5 Optimal value of binary interaction parameters for CO2+HFCs/HFOs （vdW mixing rules）

T/K k12 T/K k12 CO2+R134a 308.15 0.007 252.95 0.012 318.15 0.017 272.75 0.016 328.15 0.023 292.95 0.019 333.15 0.016 328.15 0.011 CO2+R32 333.15 0.034 283.12 0.027 338.15 0.024 293.11 0.027 CO2+R143a 303.13 0.034 273.15 0.016 305.15 0.035 283.15 0.019 313.30 0.04 293.15 0.021 323.34 0.035 303.15 0.006 CO2+R1234yf 313.15 0.021 283.21 0.035 CO2+R152a 293.19 0.02 258.44 0.014 298.11 0.04 278.25 0.020 308.20 0.027 298.84 0.025 323.18 0.017 308.37 0.020 CO2+R1234ze(E) 323.30 0.035 283.32 0.002 343.20 0.044 293.15 -0.005 CO2+R227ea 298.15 -0.009 278.15 -0.007 308.13 0.003 288.15 0.008 318.11 0.002 298.15 0.008 333.01 0.003