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| 基于(火用)分析的内可逆简单空气制冷循环性能优化 | |
| 引用本文： | 屠友明,陈林根,孙丰瑞. 基于(火用)分析的内可逆简单空气制冷循环性能优化[J]. 制冷, 2005, 24(4) |
| 作者姓名： | 屠友明 陈林根 孙丰瑞 |
| 作者单位： | 1. 海军工程大学,动力工程系,武汉,430033 2. 海军工程大学,动力工程系,武汉,430033;海军工程大学,研究生院,武汉,430033 |
| 基金项目： | 教育部跨世纪优秀人才培养计划，全国高等学校优秀博士学位论文作者专项基金 |
| 摘 要： | 基于(火用)分析的观点,运用有限时间热力学方法分析恒温热源内可逆简单空气制冷循环的特性,导出制冷率、生态学目标函数和(火用)效率与压缩机压比等主要影响参数的解析式,以相应的数值计算分析压缩机压比、高低温侧换热器热导率分配对循环性能优化的影响特点,并把生态学优化目标、(火用)效率优化目标和传统的制冷率优化目标进行综合比较.所得结果对工程制冷系统设计具有一定的指导意义. |
| 关 键 词： | 内可逆简单空气制冷循环 制冷率 生态学目标函数 (火用)效率 优化 |
Performance Optimization of an Endoreversible Simple Air Refrigeration Cycle with Constant-temperature Heat Reservoirs Based on the Exergetic Analysis |
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| TU You-ming,CHEN Lin-gen,SUN Feng-rui. Performance Optimization of an Endoreversible Simple Air Refrigeration Cycle with Constant-temperature Heat Reservoirs Based on the Exergetic Analysis[J]. Refrigeration, 2005, 24(4) | |
| Authors: | TU You-ming CHEN Lin-gen SUN Feng-rui |
| Abstract: | On the basis of the exergetic analysis,the performance analysis of an endoreversible simple air refrigeration cycle with constant-temperature heat reservoirs is carried out by using finite-time thermodynamic method in this paper.The expressions of the cooling load,the ecological function and the exergetic efficiency of the refrigeration cycle are derived.The influences of the pressure ratio of the compressor and the allocation of heat exchanger inventory on the optimal performance of the cycle are investigated by detailed numerical examples.Moreover,performance comparisons among the ecological optimization objective,exergetic efficiency optimization objective and traditional cooling load optimization objective are performed.The results obtained may provide guidance for the design of practice air refrigeration plants. |
| Keywords: | Endoreversible simple air refrigeration cycle Cooling load Ecological function Exergetic efficiency Optimization |
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