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内可逆工质恒比热Meletis-Georgiou循环有限时间热力学建模与性能优化
  • ISSN号：1672-5549
  • 期刊名称：热力透平
  • 时间：0
  • 页码：115-120
  • 分类：TK12[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
  • 作者机构：[1]海军工程大学船舶与动力学院,武汉430033
  • 相关基金：国家自然科学基金（10905093）;教育部新世纪优秀人才支持计划项目（NCET-04-1006）;全国优秀博士学位论文作者专项资金资助项目（200136）
  • 相关项目：换热过程和热机最优构型研究
作者： 刘畅|陈林根|孙丰瑞|LIU Chang,CHEN Lin-gen,SUN Feng-rui(College of Nav|
关键词： 有限时间热力学, Meletis—Georgiou循环, 性能分析优化, finite time thermodynamics , Meletis-Georgiou cycle , performance analysis and optimization
中文摘要：

应用有限时间热力学理论建立内可逆工质恒比热Meletis—Georgiou（MG）循环模型，导出循环各点温度、循环功、效率等性能参数表达式，并对MG循环性能进行分析和优化。应用数值计算方法，得到循环功与效率特性关系；分别以循环功和效率为目标，对压缩比、转换比、过膨胀比进行优化并得到一系列优化结果；分析了传热损失及循环各参数对循环性能与优化结果的影响。所得结果对实际MG发动机的设计优化有一定指导作用。

英文摘要：

An endoreversible Meletis-Georgiou （MG） cycle model with constant specific heat of working fluid has been established and the analytical formulae of performance parameters including each point temperatures, work output and efficiency are derived by using the finite time thermodynamic theory. The performance of the MG cycle is analyzed and optimized. The relation between work output and efficiency is obtained by detailed numerical examples. Taking the work output and efficiency as objectives, a series of optimal results are obtained by optimizing the compression ratio, changeover ratio and over-expansion ratio. The effects of the heat transfer loss and design parameters on the cycle performance and optimization are analyzed. The results may provide guidelines for the optimal design of practical MG engine.

同期刊论文项目
换热过程和热机最优构型研究
期刊论文 222 会议论文 44
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期刊信息
  • 《热力透平》
  • 主管单位:上海电气(集团)总公司
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  • 国际标准刊号：ISSN：1672-5549
  • 国内统一刊号：ISSN：31-1922/TH
  • 邮发代号:
  • 获奖情况:
  • 2001年获《CAJ-CD规范》执行优秀期刊
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  • 被引量:1565