溴化锂水溶液分子扩散系数的计算方法 |
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引用本文: | 阮复昌 陈烈强. 溴化锂水溶液分子扩散系数的计算方法[J]. 化学工程, 1991, 19(3): 32-36 |
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作者姓名: | 阮复昌 陈烈强 |
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作者单位: | 华南理工大学化学工程研究所(阮复昌,陈烈强,罗运禄),华南理工大学化学工程研究所(邓颂九) |
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摘 要: | 本文从电解质溶液理论出发,导出了不同温度和不同浓度下溴化锂水溶液的平均活度系数的计算表达式。又借助于Gorden半经验公式,得到了计算溴化锂水溶液分子扩散系数的理论计算公式。计算结果与T.Kashiwagi等采用全息干涉法所观测到的结果完全吻合。
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关 键 词: | 制冷 物性 分子扩散系数 溴化锂水溶液 |
CALCULATING MOLECULAR DIFUSIVITY OF LiBr AQUEOUS SOLUTION |
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Abstract: | Starting from the electrolyte solution theory, the expression for calculating the mean activity coefficient of LiBr aqueous solution is derived at different temperatures and concentration, and a theoretical formular for determining the molecular diffusivity of the solution is proposed by the aids of Gorden Semi—expirical formula, The calculated results are in full agreement with those measured in holographic interferometry by T. Kashiwagi |
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