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工质线性变比热时空气标准Lenoir循环热力学分析
  • ISSN号：0577-6686
  • 期刊名称：《机械工程学报》
  • 时间：0
  • 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]海军工程大学热科学与动力工程研究室,舰船动力工程军队重点实验室,武汉430033
  • 相关基金：国家自然科学基金（10905093）
作者： 周骏乐[1], 陈林根[1], 孙丰瑞[1]
关键词： 经典热力学, 可逆循环, 空气标准Lenoir循环, 热力学分析, Classical thermodynamics, Reversible cycle, Air-standard Lenoir cycle, Thermodynamic analysis
中文摘要：

考虑实际循环中工质比热随温度变化的特性,建立了工质比热随温度线性变化时的可逆空气标准Lenoir循环模型,运用经典热力学理论和方法,结合数值计算对循环进行热力学分析,得到了循环输出功和压缩比、效率和压缩比以及功与效率之间的特性关系。通过与工质比热恒定时的空气标准Lenoir循环性能进行分析比较,可知工质的线性变比热特性对Lenoir循环的热力学性能有较大的影响。所得结论对该循环的应用有一定指导作用。

英文摘要：

Considering the effects of variable specific heats of working fluid on the performance of practical cycle,a thermodynamic model of a reversible air-standard Lenoir cycle with the linear relation between specific heat of working fluid and its temperature was established by using the classical thermodynamics.The relations between the work output and the compression ratio,between the efficiency and the compression ratio,as well as between the work output and efficiency were derived by detailed numerical examples.Moreover,by comparing with the thermodynamic performance of air-standard Lenoir cycle with constant specific heats of working fluid,it was known that the effected of variable specific heats of working fluid on the cycle performance were obvious.The results may provide some guidelines for the application of the Lenoir cycle.

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换热过程和热机最优构型研究
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期刊信息
  • 《机械工程学报》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国机械工程学会
  • 主编：宋天虎
  • 地址：北京百万庄大街22号
  • 邮编：100037
  • 邮箱：bianbo@cjmenet.com
  • 电话：010-88379907
  • 国际标准刊号：ISSN：0577-6686
  • 国内统一刊号：ISSN：11-2187/TH
  • 邮发代号:2-362
  • 获奖情况:
  • 中国期刊奖,“中国期刊方阵”双高期刊
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:58603