Table 8 Estimations of different EOSs and ML models for N2 solubility in Hexadecane.
Temperature (K) | Pressure (MPa) | Experiment (mole fraction) | PR | SRK | RK | ZJ | PCSAFT | k-NN | Random forest | CatBoost | XGBoost | LightGBM |
---|---|---|---|---|---|---|---|---|---|---|---|---|
323.15 | 4.9 | 0.073 | 0.073892 | 0.071625 | 0.144902 | 0.063415 | 0.0768 | 0.037175 | 0.071356 | 0.073036 | 0.082158 | 0.070108 |
323.15 | 9.8 | 0.135 | 0.136743 | 0.132524 | 0.261235 | 0.117323 | 0.1386 | 0.104 | 0.131207 | 0.134779 | 0.136789 | 0.123276 |
323.15 | 19.6 | 0.223 | 0.237912 | 0.230084 | 0.433672 | 0.203614 | 0.2308 | 0.231 | 0.218454 | 0.222653 | 0.214433 | 0.218651 |
323.15 | 29.4 | 0.282 | 0.315963 | 0.304564 | 0.550651 | 0.269623 | 0.2960 | 0.294 | 0.291091 | 0.282016 | 0.291839 | 0.280639 |
323.15 | 39.2 | 0.326 | 0.378184 | 0.363228 | 0.640202 | 0.321973 | 0.3612 | 0.345 | 0.333536 | 0.325985 | 0.328946 | 0.322025 |
323.15 | 49 | 0.36 | 0.429033 | 0.410621 | 0.705706 | 0.364692 | 0.4264 | 0.3865 | 0.37509 | 0.360008 | 0.367519 | 0.349678 |
373.15 | 4.9 | 0.078 | 0.074263 | 0.073492 | 0.146725 | 0.069883 | 0.0892 | 0.039755 | 0.075178 | 0.078577 | 0.083729 | 0.072468 |
373.15 | 9.8 | 0.142 | 0.138759 | 0.13687 | 0.266309 | 0.130523 | 0.1620 | 0.11 | 0.140184 | 0.141646 | 0.140065 | 0.139086 |
373.15 | 19.6 | 0.239 | 0.245062 | 0.240172 | 0.447042 | 0.230063 | 0.2726 | 0.246 | 0.234459 | 0.238616 | 0.224191 | 0.24045 |
373.15 | 29.4 | 0.306 | 0.328896 | 0.320386 | 0.575301 | 0.308027 | 0.3521 | 0.3185 | 0.310965 | 0.304803 | 0.303363 | 0.306795 |
373.15 | 39.2 | 0.364 | 0.396591 | 0.384215 | 0.670128 | 0.370614 | 0.4118 | 0.3815 | 0.366843 | 0.364023 | 0.351979 | 0.352143 |
373.15 | 49 | 0.413 | 0.452314 | 0.436068 | 0.743035 | 0.421921 | 0.4715 | 0.4365 | 0.420793 | 0.41301 | 0.395695 | 0.387751 |
423.15 | 4.9 | 0.093 | 0.077963 | 0.078507 | 0.152567 | 0.077978 | 0.1020 | 0.07395 | 0.089375 | 0.087169 | 0.093703 | 0.086517 |
423.15 | 9.8 | 0.158 | 0.146119 | 0.146234 | 0.277521 | 0.146155 | 0.1851 | 0.1556 | 0.158329 | 0.150375 | 0.171655 | 0.161286 |
423.15 | 19.6 | 0.253 | 0.259183 | 0.256632 | 0.467131 | 0.25905 | 0.3116 | 0.27415 | 0.261208 | 0.252872 | 0.266006 | 0.26376 |
423.15 | 29.4 | 0.331 | 0.348808 | 0.342327 | 0.6028 | 0.348188 | 0.3902 | 0.3185 | 0.346806 | 0.331465 | 0.349459 | 0.341662 |
423.15 | 39.2 | 0.399 | 0.421327 | 0.410442 | 0.704483 | 0.420007 | 0.4702 | 0.3815 | 0.418967 | 0.398995 | 0.417612 | 0.403085 |
423.15 | 49 | 0.46 | 0.481033 | 0.465681 | 0.784954 | 0.47891 | 0.5495 | 0.4365 | 0.48882 | 0.459886 | 0.474527 | 0.46766 |
473.15 | 4.9 | 0.1015 | 0.084643 | 0.086472 | 0.161361 | 0.085461 | 0.1164 | 0.09635 | 0.097778 | 0.100989 | 0.096573 | 0.095005 |
473.15 | 9.8 | 0.176 | 0.158538 | 0.160499 | 0.293945 | 0.160388 | 0.2107 | 0.1726 | 0.176568 | 0.172191 | 0.177822 | 0.163749 |
473.15 | 19.6 | 0.287 | 0.280484 | 0.279759 | 0.494149 | 0.284606 | 0.3528 | 0.29115 | 0.299906 | 0.289682 | 0.315014 | 0.308673 |
473.15 | 29.4 | 0.377 | 0.376499 | 0.371171 | 0.637714 | 0.38278 | 0.4538 | 0.3599 | 0.38452 | 0.377019 | 0.378863 | 0.368444 |
473.15 | 39.2 | 0.455 | 0.453705 | 0.443122 | 0.747637 | 0.461885 | 0.5282 | 0.4855 | 0.483065 | 0.45509 | 0.469246 | 0.47425 |
473.15 | 49 | 0.527 | 0.516916 | 0.501016 | 0.843771 | 0.526735 | 0.5848 | 0.56 | 0.544546 | 0.526918 | 0.518121 | 0.527232 |
RMSE | 0.024546 | 0.017951 | 0.236762 | 0.012009 | 0.04857 | 0.021663 | 0.011942 | 0.002204 | 0.011869 | 0.010353 |