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R290/R744新型低温混合工质物性分析

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Indexed by:期刊论文

Date of Publication:2013-09-24

Journal:大连理工大学学报

Included Journals:PKU、ISTIC、CSCD、Scopus

Volume:53

Issue:5

Page Number:642-646

ISSN No.:1000-8608

Key Words:R290/R744混合物;pT状态方程;物性;自复叠

Abstract:采用pT状态方程并结合van der Waals混合规则,对R290/R744混合物的热物性参数进行了理论研究,计算中采用了Kay规则计算的虚拟临界参数来代替混合物的真实临界参数,计算得到了R290/R744混合物饱和气体比容、饱和液体密度、比焓和比熵等物性参数,并对计算数据进行了精度分析.计算结果为R290/R744混合物的应用打下了基础.

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