粗煤气与中压水蒸气混合,用aspen模拟,该选用哪个物性 ...? 回复 1# zhucf 我选用了peng-rob方法,但是结果算不出来: - processing input specifications ... * warning in the "properties" paragraph which begins on line 39 free-water method should be steamnbs or stmnbs2 when the main property method is srk. default free-water method is steam-ta please specify the recommended free-water method and run again. information binary parameters prkij (data set 1) for model esprstd are retrieved from sdf table. table name = esprstd flowsheet analysis : computation order for the flowsheet: b2 - calculations begin ... *** severe error in physical property system binary parameters prkij (data set 1) for model esprstd are retrieved from sdf table. table name = esprstd binary parameters prkij (data set 1) for model esprstd binary parameters prkij (data set 1) for model esprstd ** error in physical property system while performing initial enthalpy calculations for stream: "gas" vapor root not converged in eos model espr t= 473.2 k, specified p= 0.3700e+07 n/sqm, calculated p= -0.3071e-08 n/sqm equation of state model espr failed due to infeasible conditions (data set 1) at temperature 473. k and pressure 0.370e+07 pa. component mole fraction component mole fraction hydro-01 0.9248 cos 0.1165e-04 carbo-01 0.6169e-01 hydro-02 0.6803e-04 metha-01 0.1974e-04 carbo-02 0.9680e-03 nitro-01 0.1236e-01 argon 0.1278e-03 ****property parameter error errors encountered in calculation of vapor mixture props using option set peng-rob for phimx ! calculations stopped because of missing property parameters查看更多