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| 中空纤维透析器管外传质系数的计算 | |
| 引用本文： | 刘涛,李昌烽,邵霞,丁卫平,何立群.中空纤维透析器管外传质系数的计算[J].江苏大学学报(自然科学版),2009,30(5). |
| 作者姓名： | 刘涛 李昌烽 邵霞 丁卫平 何立群 |
| 作者单位： | 1. 江苏大学,能源与动力工程学院,江苏,镇江,212013 2. 美国华盛顿大学,机械工程系,Seattle WA 98195 3. 中国科学技术大学,热科学和能源工程系,安徽,合肥,230027 |
| 基金项目： | 国家自然科学基金资助项目 |
| 摘 要： | 假定中空纤维管空间排布服从正三角形和正方形排布,纤维管半径服从Gauss分布的前提下,从理论上推导出中空纤维透析器管外传质系数表达式,并分析管外液体流速、压降及流量恒定时纤维管半径的分散性对管外传质系数的影响. 结果表明,纤维管半径的分散性导致了中空纤维透析器传质系数的下降,且在高填充密度下,纤维管半径分散性的影响更加显著. 在相同的纤维管半径分散性下,正三角形排列方式要优于正方形的排列方式. 这对提高中空纤维透析器的透析效率以及对中空纤维透析器医疗器械的改进有重要意义. |
| 关 键 词： | 中空纤维透析器 填充密度 传质系数 随机分布 |
Calculation of shell-side mass transfer coefficient in hollow fiber dialyzer |
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| Liu Tao,Li Changfeng,Shao Xia,Ding Weiping,He Liqun.Calculation of shell-side mass transfer coefficient in hollow fiber dialyzer[J].Journal of Jiangsu University:Natural Science Edition,2009,30(5). | |
| Authors: | Liu Tao Li Changfeng Shao Xia Ding Weiping He Liqun |
| Institution: | 1.School of Energy and Power Engineering;Jiangsu University;Zhenjiang;Jiangsu 212013;China;2.Department of Mechanical Engineering;University of Washington;Seattle;WA 98195;USA;3.Department of Thermal Science and Energy Engineering;University of Science and Technology of China;Hefei;Anhui 230027;China |
| Abstract: | The shell-side mass transfer coefficients of a hollow fiber dialyzer under regular arrays were deduced theoretically.Triangular and square arrays were used to model hollow fiber distribution,and the hollow fiber outer radii polydispersity was modeled by the Gaussian function.The influence of the fiber radii polydispersity on the shell-side mass transfer coefficient under conditions of constant velocity,constant pressure drop and constant flux were investigated by using the semi-empirical model and equations... |
| Keywords: | hollow fiber dialyzer packing density mass transfer coefficient random distribution |
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