Liquid viscosity of carbon dioxide along the saturation line Junjie Chen Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com In thermodynamics and chemical engineering, the vapor-liquid equilibrium describes the distribution of a chemical species between the vapor phase and a liquid phase. The concentration of a vapor in contact with its liquid, especially at equilibrium, is often expressed in terms of vapor pressure, which will be a partial pressure if any other gas is present with the vapor. The equilibrium vapor pressure of a liquid is in general strongly dependent on temperature. At vapor-liquid equilibrium, a liquid with individual components in certain concentrations will have an equilibrium vapor in which the concentrations or partial pressures of the vapor components have certain values depending on all of the liquid component concentrations and the temperature. The converse is also true: if a vapor with components at certain concentrations or partial pressures is in vapor-liquid equilibrium with its liquid, then the component concentrations in the liquid will be determined dependent on the vapor concentrations and on the temperature. The equilibrium concentration of each component in the liquid phase is often different from its concentration in the vapor phase, but there is a relationship. The vapor-liquid equilibrium concentration data can be determined experimentally, approximated with the help of theories such as Raoult's law, Dalton's law, and Henry's law. Temperature (degrees Celsius), Pressure (kilopascals), Dynamic viscosity (milligrams per meter per second) 220 600 241.68 225 735 221.72 230 894 203.75 235 1075 187.48 240 1283 172.67 245 1519 159.13 250 1786 146.69 255 2085 135.2 260 2419 124.3 265 2790 114.63 270 3203 105.21 275 3658 96.44 280 4160 87.89 285 4712 79.64 290 5315 71.47 295 5984 63.01 300 6710 53.33 302 6997 48.3 Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China

Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China