Reference Viscosities of Gaseous Methane and Hydrogen Sulfide at Low Density in the Temperature Range from (292 to 682) K
Reference Viscosities of Gaseous Methane and Hydrogen Sulfide at Low Density in the Temperature Range from (292 to 682) K
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DOI：
10.1021/je200371n
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发表时间：
2011-06
影响因子：
--
通讯作者：
E. Vogel
中科院分区：
文献类型：
--
作者：
E. Vogel
用高精度的全石英圆盘粘度计测量了低密度下甲烷和硫化氢的粘度随温度的变化关系。测量是基于一个单一的校准在室温下的理论计算值使用精确的从头算对潜在的氦和稀单原子气体的动力学理论。实验数据的不确定度在室温下保守估计为± 0.15%，在最高温度682 K时增加到± 0.20%.将新数据与文献中的实验数据以及从甲烷的Quinones-Cisneros相关性（2010年）和硫化氢的施密特相关性（2008年）中获得的值进行比较，这两个相关性都是在美国国家标准与技术研究所（NIST）的REFPROP计算机程序中实现的。比较表明，低密度值的Quinones-Cisneros相关的甲烷，主要是基于测量的…
An all-quartz oscillating-disk viscometer of very high precision was used to measure the temperature dependence of the viscosities of methane and hydrogen sulfide at low densities. The measurements were based on a single calibration at room temperature with a value theoretically calculated using an accurate ab initio pair potential for helium and the kinetic theory of dilute monatomic gases. The uncertainty of the experimental data is conservatively estimated to be ± 0.15 % at room temperature increasing to ± 0.20 % at the highest temperature of 682 K. The new data are compared with experimental data from the literature as well as with values obtained from the Quinones-Cisneros correlation for methane (2010) and the Schmidt correlation for hydrogen sulfide (2008) both implemented in the REFPROP computer program of the National Institute of Standards and Technology (NIST). The comparison shows that the low-density values of the Quinones-Cisneros correlation for methane, primarily based on measurements in t...