| 管壳式换热器壳程流动和传热的三维数值模拟 |
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| 引用本文： | 黄兴华,王启杰,陆震.管壳式换热器壳程流动和传热的三维数值模拟[J].化工学报,2000,51(3):297-302. |
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| 作者姓名： | 黄兴华 王启杰 陆震 |
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| 作者单位： | 上海交通大学制冷工程研究所!上海200030,上海电力学院动力系!上海200090,上海交通大学制冷工程研究所!上海200030 |
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| 基金项目： | 国家自然科学基金! (No.594 760 2 2 )，中国博士后基金资助项目 |
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| 摘 要： | 提出了一种管壳式换热器壳程单相流动和传热的三维模拟方法 .用体积多孔度、表面渗透度、分布阻力和分布热源来考虑壳程复杂几何结构造成的流道缩小和流动阻力、传热效应 ,通过数值求解平均的流体质量、动量、能量守恒方程 ,得到壳程流动和换热的分布 .用该方法对一实验换热器进行了流动和传热的模拟 ,计算结果和实验结果吻合良好 .
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| 关 键 词： | 管壳式 换热器 数值模拟 流动 传热 三维 |
THREE DIMENSIONAL NUMERICAL SIMULATION OF FLUID FLOW
AND HEAT TRANSFER IN SHELL-AND-TUBE HEAT EXCHANGER |
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| Huang Xinghua ,Wang Qijie,Lu Zhen.THREE DIMENSIONAL NUMERICAL SIMULATION OF FLUID FLOW
AND HEAT TRANSFER IN SHELL-AND-TUBE HEAT EXCHANGER[J].Journal of Chemical Industry and Engineering(China),2000,51(3):297-302. |
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| Authors: | Huang Xinghua Wang Qijie Lu Zhen |
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| Affiliation: | Huang Xinghua ,Wang Qijie,Lu Zhen ( Refrigeration Engineering Research Center,Shanghai Jiao Tong University,Shanghai?,Department of Thermal Power Engineering,Shanghai Institute of Electric Power,Shanghai?) |
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| Abstract: | A three dimensional thermal-hydraulic model is developed for the analysis of fluid flow and heat transfer in shell-and-tube heat exchanger. The numerical model uses the distributed resistance model and distributed heat source model along with the concept of porosity, surface permeability to account for the presence of tubes, flow baffles etc in shell side. The volume average conservation equations of mass, momentum and energy of shell side fluid are solved in primitive variable form by using a semi-implicit consistent control-volume formulation in which a segregated pressure correction linked algorithm is employed. The analytical model is validated by comparison of computed pressure drop and temperature distribution with experimental data. |
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| Keywords: | shell-and-tube heat exchanger numerical simulation fluid flow and heat transfer |
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