Research Article

Measurement and Prediction Method of Compressibility Factor at High Temperature and High Pressure

Table 7

Z-factor calculated by Z-LSSVM (600 K).

p/MPa/%

1.30.8790.8790.02
1.350.8660.8740.89
1.40.8550.8691.64
1.450.8450.8642.19
1.50.8370.8582.54
1.550.8300.8532.66
1.60.8260.8482.53
1.650.8240.8422.15
1.70.8240.8371.54
1.750.8260.8310.68
1.80.8290.8260.38
1.850.8340.8201.69
1.90.8410.8153.18
1.950.8480.8094.86