| 并联换热系统中冷媒分配的优化分析 |
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| 引用本文： | 程雪涛,徐向华,任建勋,梁新刚. 并联换热系统中冷媒分配的优化分析[J]. 工程热物理学报, 2008, 29(12) |
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| 作者姓名： | 程雪涛 徐向华 任建勋 梁新刚 |
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| 作者单位： | 传热与能源利用北京市重点实验室,清华大学航天航空学院,北京,100084;传热与能源利用北京市重点实验室,清华大学航天航空学院,北京,100084;传热与能源利用北京市重点实验室,清华大学航天航空学院,北京,100084;传热与能源利用北京市重点实验室,清华大学航天航空学院,北京,100084 |
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| 摘 要： | 为减小并联换热系统的质量,本文在一定的简化和假设之上,建立了其流动与传热的物理和数学模型;并以系统总换热面积最小为优化目标,通过对分配系数的变量转换,提出了一种可准确求解最佳分配系数的方法,并对计算结果进行了讨论,发现分配系数的结果与势容耗散最大基本一致.根据计算结果.本文给出了支路较少时分配系数与换热支路效能之间的近似关联式.
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| 关 键 词： | 传热 热网络 优化 并联 |
OPTIMIZATION OF THE THERMAL NETWORK IN PARALLEL CONNECTION |
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| CHENG Xue-Tao,XU Xiang-Hua,REN Jian-Xun,LIANG Xin-Gang. OPTIMIZATION OF THE THERMAL NETWORK IN PARALLEL CONNECTION[J]. Journal of Engineering Thermophysics, 2008, 29(12) |
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| Authors: | CHENG Xue-Tao XU Xiang-Hua REN Jian-Xun LIANG Xin-Gang |
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| Affiliation: | CHENG Xue-Tao XU Xiang-Hua REN JIan-Xun LIANG Xin-Gang (Heat Transfer , Energy Conversion-The Key Laboratory of Beijing Municipality,Department of Engineering Mechanics,Tsinghua University,Beijing 100084,China) |
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| Abstract: | To reduce the weight of cooling network system in parallel connection,a mathematical model for the flow and heat transfer was set up.A method which could calculate the branch mass flow rate accurately was brought forward through variable transition.According to the numerical results, a correlation was introduced and discussed. |
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| Keywords: | heat transfer thermal network optimization parallel connection |
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