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内可逆热泵在生态学函数最大时局域稳定性 被引量：1

Local Stability of an Endoreversible Heat Pump Working at the Maximum Ecological Function
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摘要 以内可逆卡诺热泵模型为研究对象,考虑工质与热源间传热服从牛顿传热规律,利用局域稳定性理论,对热泵工作在生态学函数最大稳定点时的局域稳定性进行了研究。系统在生态学函数最大时的稳定状态是稳定的,导出了表征系统稳定性的"弛豫时间"关于热容C、总传热面积F、热源温比τ、传热系数α和β的一般表达式,给出了系统的相轨线的分布情况。所得结果可为实际系统的设计提供一定的理论指导。 The local stability of an endoreversible Carnot heat pump at the maximum ecological function is studied with Newton＇s heat transfer law between working fluid and heat reservoirs. The steady state of the heat pump working at the maximum ecological function is steady. It is derived that a general expression of relaxation time described as stability of the system refers to heat capacity C, total heat exchange area F, temperature ratio of heat reservoirs τ, heat transfer coefficient α and β. Distributing information of phase portraits of system is obtained. The results can provide guidelines for designing the real heat pump.
作者 吴晓辉 陈林根 孙丰瑞
机构地区 海军工程大学船舶与动力学院
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2011年第11期1811-1815,共5页 Journal of Engineering Thermophysics
基金 国家自然科学基金资助项目(No.10905093) 海军工程大学自然科学基金引导项目(No.HGDYDJJ10011)
关键词 局域稳定性 内可逆卡诺热泵 生态学优化 local stability endoreversible Carnot heat pump ecological optimization
分类号 TK12 [动力工程及工程热物理—工程热物理]
  • 相关文献

参考文献11

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二级参考文献7

共引文献58

同被引文献17

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  • 7BARRANCO-JIMENEZ M A, PAZE-HERNANDEZ R T, REYES-RAMIREZ I, et al. Local stability analysis of a thermo-economic model of a Novikov-Curzon-Ahlborn heat engine [-J]. Entropy, 2011,13(9):1584 -1594.
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  • 9HUANG Yue-wu, SUN De-xing. The effect of cooling load and thermal conductance on the local stability of an endoreversible refrigerator [-J]. Int. J. Refri., 2008,31(3):483-489.
  • 10HUANG Yue-wu, SUN De-xing. Local stability analysis of a non-endoreversible refrigerator [J]. Appl. Thermal Eng. , 2008,28(11-12) :1443-1449.

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工程热物理学报
2011年 第11期

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