A cubic equation of state representation of ammonia—water vapour—liquid equilibrium data

A cubic equation of state representation of ammonia—water vapour—liquid equilibrium data
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DOI:
10.1016/0140-7007(86)90035-6
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发表时间:
1986-03
期刊:
International Journal of Refrigeration-revue Internationale Du Froid
影响因子:
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通讯作者:
H. Renon;J. Guillevic;D. Richon;J. Boston;H. Britt
H. Renon;J. Guillevic;D. Richon;J. Boston;H. Britt
中科院分区:
其他
文献类型:
--
作者:
H. Renon;J. Guillevic;D. Richon;J. Boston;H. Britt

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扩展的 Redlich-Kwong 状态方程在每个纯组分蒸气压曲线上具有两个调整参数,以及四个混合物参数,可以很好地表示氨-水系统的蒸气-液体平衡。混合参数是从 Guillevic、Pawlikowski 和 Scatchard 的数据中获得的。包括焓在内的其他数据的预测结果令人满意。利用这些参数,可以使用 Aspen Plus 流程图程序轻松设计热泵系统。
An extended Redlich-Kwong equation of state, with two adjusted parameters on each pure component vapour pressure curve, and four mixture parameters, is shown to give a good representation of vapour-liquid equilibria for the ammonia-water system. The mixing parameters are obtained from the data of Guillevic, Pawlikowski and Scatchard. Other data, including enthalpies, are satisfactorily predicted. Using these parameters, heat pump systems can easily be designed using the Aspen Plus flow-sheeting program.