Revised Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications
Revised Standardized Equation for Hydrogen Gas Densities for Fuel Consumption Applications
复制标题
燃料消耗应用中氢气密度的修订标准化方程
DOI：
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发表时间：
2008
影响因子：
1.5
通讯作者：
J. Leachman
中科院分区：
文献类型：
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作者：
E. Lemmon;M. Huber;J. Leachman
已经开发了氢气密度的方程，其与当前标准一致，在压力高达70MPa的情况下从220 K到1000 K在0.01%以内，在压力高达120 MPa的情况下从255 K到1000 K在0.01%以内，并且在200 K到1000 K直到200 MPa在0.1%以内。该方程是基于压力和温度依赖项的截断维里型方程。该方程的密度不确定度与当前标准相同，在250 K和450 K之间，所有压力下的密度不确定度估计为0.04%（覆盖因子为2的组合不确定度），较低温度下的密度不确定度估计为0.1%。与实验数据和完整的状态方程的比较。
An equation for the density of hydrogen gas has been developed that agrees with the current standard to within 0.01 % from 220 K to 1000 K with pressures up to 70 MPa, to within 0.01 % from 255 K to 1000 K with pressures to 120 MPa, and to within 0.1 % from 200 K to 1000 K up to 200 MPa. The equation is a truncated virial-type equation based on pressure and temperature dependent terms. The density uncertainty for this equation is the same as the current standard and is estimated to be 0.04 % (combined uncertainty with a coverage factor of 2) between 250 K and 450 K for all pressures, and 0.1 % for lower temperatures. Comparisons are presented with experimental data and with the full equation of state.