湿空气的第二相互作用（交叉）维里系数。
The Second Interaction (Cross) Virial Coefficient for Moist Air.
作者信息
Hyland Richard W, Wexler Arnold
机构信息
Institute for Basic Standards, National Bureau of Standards, Washington, D.C. 20234.
出版信息
J Res Natl Bur Stand A Phys Chem. 1973 Jan-Feb;77A(1):133-147. doi: 10.6028/jres.077A.007.
The results of calculations of the second interaction (cross) virial coefficient for water vapor and air, based on enhancement data obtained at NBS at 30, 40, and 50 °C, are presented. Comparisons are made with the results of calculations based on the enhancement data of Politzer and Strebel, Webster, and Goff et al. and with the results of the theoretical calculations of Mason and Monchick and of Chaddock. An empirical equation is given for interpolation and extrapolation. The random (one standard deviation) uncertainty in the mean values of , arising from the scatter of previously obtained NBS values of the enhancement factor, is estimated to range from 0.7 percent at 30 °C to 1.4 percent of 50 °C. The estimated systematic uncertainties range from 4 percent at 30 °C to 6 percent at 50 °C, respectively.
给出了基于美国国家标准局（NBS）在30、40和50℃下获得的增强数据，对水蒸气与空气的第二相互作用（交叉）维里系数的计算结果。将其与基于波利策尔（Politzer）和斯特雷贝尔（Strebel）、韦伯斯特（Webster）以及戈夫（Goff）等人的增强数据的计算结果，以及梅森（Mason）和蒙奇克（Monchick）以及查多克（Chaddock）的理论计算结果进行了比较。给出了一个用于内插和外推的经验方程。由于先前获得的NBS增强因子值的离散性，第二维里系数平均值的随机（一个标准偏差）不确定度估计在30℃时为0.7%，在50℃时为1.4%。估计的系统不确定度分别在30℃时为4%，在50℃时为6%。
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