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A general model of Stirling refrigerators and its verification

机译：斯特林冰箱的一般模型及其验证

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摘要

The Stirling refrigerator, as an important type of Stirling machine, is widely used in both civil area and space technology. However, many of the existing models of the Stirling refrigerator are compatible with one specific type, and there is usually a contradiction between reflecting the reality accurately and giving an analytical solution. Based on the thermoacoustic theory, it is assumed that the acoustic inertance, the acoustic compliance, the flow resistance in the regenerator and the thermodynamic process in the working spaces are the major factors that affect the overall performance of the Stirling refrigerator. Therefore, by adopting the transmission line model and the polytrophic process equation, this paper proposed a general model which is applicable to various types of Stirling refrigerators and is able to give analytical solutions that can reveal some basic principles. By comparison, the simplified cases of the general model is found to be equivalent to some of the existing models, and a good agreement is achieved among the general model, the experiment and a Stirling refrigerator simulation software, which verifies the general model as well as the principles revealed by the analytical solutions. Applicable to various types of Stirling refrigerators, the general model is able to reflect the reality in a satisfactory way and provide an approach to parametrically explore the behavior of Stirling refrigerators with the analytical solutions, which will benefit the optimization of the thermal efficiency.
机译：斯特林冰箱作为一种重要类型的斯特林机，广泛应用于民间区域和空间技术。然而，许多现有的斯特林冰箱模型与一种特定类型兼容，并且通常在准确反射现实并提供分析解决方案之间通常存在矛盾。基于热声学理论，假设声学奇力，声学顺应性，再生器中的流动性和工作空间中的热力学过程是影响斯特林冰箱的整体性能的主要因素。因此，通过采用传输线模型和多发化过程方程，本文提出了一种适用于各种类型的斯特林冰箱的一般模型，能够提供可以揭示一些基本原理的分析解决方案。相比之下，发现一般模型的简化案例相当于一些现有模型，并且在一般模型，实验和斯特林冰箱仿真软件中实现了良好的一致性，验证了一般模型以及分析解决方案揭示的原则。适用于各种类型的斯特林冰箱，通用模型能够以令人满意的方式反映现实，并提供参数探索斯特林冰箱与分析解决方案的行为的方法，这将有利于热效率的优化。

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  • 来源
    《Energy Conversion & Management》 |2019年第5期|54-65|共12页
  • 作者

    Guo Yongxiang; Chao Yijun; Wang Bo; Wang Yabin; Gan Zhihua;

  • 作者单位

    Zhejiang Univ Inst Refrigerat & Cryogen Hangzhou 310027 Zhejiang Peoples R China|Key Lab Refrigerat & Cryogen Technol Zhejiang Pro Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Inst Refrigerat & Cryogen Hangzhou 310027 Zhejiang Peoples R China|Key Lab Refrigerat & Cryogen Technol Zhejiang Pro Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Inst Refrigerat & Cryogen Hangzhou 310027 Zhejiang Peoples R China|Key Lab Refrigerat & Cryogen Technol Zhejiang Pro Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Inst Refrigerat & Cryogen Hangzhou 310027 Zhejiang Peoples R China|Key Lab Refrigerat & Cryogen Technol Zhejiang Pro Hangzhou 310027 Zhejiang Peoples R China;

    Zhejiang Univ Inst Refrigerat & Cryogen Hangzhou 310027 Zhejiang Peoples R China|Key Lab Refrigerat & Cryogen Technol Zhejiang Pro Hangzhou 310027 Zhejiang Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Stirling refrigerator; Model; Transmission line model;

    机译：斯特林冰箱;模型;输电线模型;

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