| 变温热源内可逆布雷顿循环功率密度优化 |
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| 引用本文： | 郑军林,陈林根,孙丰瑞,贾野.变温热源内可逆布雷顿循环功率密度优化[J].推进技术,2001,22(2):143-146. |
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| 作者姓名： | 郑军林 陈林根 孙丰瑞 贾野 |
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| 作者单位： | 1. 海军工程大学动力工程学院,
2. 海军装备部机电公司, |
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| 基金项目： | 国家重点基础研究发展规划资助项目(200002630)。 |
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| 摘 要： | 计人工质与高、低温侧换热器的热阻损失，用有限时间热力学方法，导出了变温热源条件下内可逆布雷顿循环功率密度与压比间的解析式，借助于数值计算，研究了高、低温侧换热器的热导率分配和工质与热源间的热容率匹配对功率最大密度的影响。
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| 关 键 词： | 热流计算 布雷顿循环 功率密度 参数最优化 航空发动机 热力学 |
| 文章编号： | 1001-4055（2001）02-0143-04 |
| 修稿时间： | 2000年6月1日 |
Power density optimization of an endoreversible brayton cycle coupled to variable-temperature heat reservoirs |
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| Zheng Jun-lin,Chen Lin-gen,Sun Feng-rui and Jia Ye.Power density optimization of an endoreversible brayton cycle coupled to variable-temperature heat reservoirs[J].Journal of Propulsion Technology,2001,22(2):143-146. |
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| Authors: | Zheng Jun-lin Chen Lin-gen Sun Feng-rui and Jia Ye |
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| Institution: | ZHENG Jun-lin 1,CHEN Lin-gen 1,SUN Feng-rui 1,JIA Ye 2 |
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| Abstract: | The analytical formulas about the relations between power density and pressure ratio of an endoreversible Brayton cycle coupled to variable-temperature heat reservoirs were derived using finite-time thermodynamics. In the analysis, the irreversibilities involved the heat resistance losses in the hot- and cold-side heat exchangers. The influences of the thermal conductance distribution of hot-and cold-side heat exchangers and the thermal capacity rate match between the working fluid and the heat reservoirs were studied by the detail numerical examples. |
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| Keywords: | Heat flow calculation Brayton cycle Power density Parameter optimization |
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