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临界点附近水的等容比热
引用本文:周学华. 临界点附近水的等容比热[J]. 化学工程, 1989, 17(4): 55-60
作者姓名:周学华
作者单位:中国科学院力学研究所
摘    要:本文分析了临界物态的一般特性。提出了一种新的计算临界点附近水的等容比热的方法与公式。对水的单相区、二相区和界面曲线的等容比热进行计算,其结果令人满意。该计算公式既简单又准确,适用于实验设备和工程设计应用。

关 键 词:水 等容比热 临界点

SPECIFIC HEAT AT CONSTANT VOLUME NEAR THE CRITIC POINT OF STEAM
Abstract:A new calculating method and formulae of specific heat at constant volume (Cv) near the critical point of steam are provided followed by analyzing the general characteristics of the critical states. C_v values in one-phase region, two phase region and at coexistence curve are calculated by the method, and the results are satisfactory. The formulae, which is simple and accurate, may be used in bench equipment and engineering design.
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