首页> 美国卫生研究院文献>Journal of Research of the National Institute of Standards and Technology >Vapor-Liquid Equilibrium of Carbon Dioxide With Isobutane and n-Butane: Modified Leung-Griffiths Correlation and Data Evaluation
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Vapor-Liquid Equilibrium of Carbon Dioxide With Isobutane and n-Butane: Modified Leung-Griffiths Correlation and Data Evaluation

机译:二氧化碳与异丁烷和正丁烷的汽-液平衡:改进的Leung-Griffiths相关性和数据评估

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摘要

The Leung-Griffiths model as modified by Moldover and Rainwater is used to correlate high-pressure vapor-liquid equilibria of mixtures of carbon dioxide with n-butane and isobutane. Model correlations are compared against 10 independent experimental sources for these mixtures. Agreement is generally very good and comparable to mutual experimental discrepancies. The utility of the model as a data evaluation technique is demonstrated in that small suspect regions have been identified in certain data sets and the model predictions have been confirmed by subsequent measurements that agree with the model better than the earlier data.
机译:由Moldover和Rainwater修改的Leung-Griffiths模型用于关联二氧化碳与正丁烷和异丁烷的混合物的高压气液平衡。将模型相关性与这些混合物的10个独立实验源进行比较。协议通常非常好,可以与相互之间的实验差异进行比较。证明了该模型作为数据评估技术的实用性,因为已在某些数据集中识别出了较小的可疑区域,并且通过与模型较先前数据更好地相符的后续测量结果证实了模型预测。

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