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Thermodynamic analysis of a beta-type Stirling engine with rhombic drive mechanism

机译：具有菱形驱动机构的β型斯特林发动机的热力学分析

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摘要

This paper presents a theoretical investigation on kinematic and thermodynamic analysis of a beta type Stirling engine with rhombic-drive mechanism. Variations in the hot and cold volumes of the engine were calculated using kinematic relations. Two different displacer cylinders were investigated: one of them had smooth inner surface and the other had axial slots grooved into the cylinder to increase the heat transfer area. The effects of the slots grooved into the displacer cylinder inner surface on the performance were calculated using nodal analysis in Fortran. The effects of working fluid mass on cyclic work were investigated using 200,300 and 400 W/m~2 K convective heat transfer coefficients for smooth and grooved displacer cylinders. The variation of engine power with engine speed was obtained by using the same convective heat transfer coefficients and isothermal conditions. The convective heat transfer coefficient was predicted as 104 W/m~2 K using the experimental results measured from the prototype engine under atmospheric conditions. The variation in cyclic work determined by the experimental study was also compared with the theoretical results obtained for different convective heat transfer coefficients and isothermal conditions.
机译：本文对具有菱形驱动机构的β型斯特林发动机的运动学和热力学分析进行了理论研究。使用运动关系来计算引擎的冷热量变化。研究了两个不同的置换器气缸：其中一个具有光滑的内表面，另一个具有在气缸中开槽的轴向槽，以增加传热面积。使用Fortran中的节点分析来计算开槽到置换缸内表面上的缝隙对性能的影响。利用光滑的和开槽的置换缸的对流传热系数200,300和400 W / m〜2 K，研究了工作流体质量对循环功的影响。通过使用相同的对流传热系数和等温条件，可以获得发动机功率随发动机转速的变化。对流换热系数根据原型发动机在大气条件下测得的实验结果预测为104 W / m〜2K。通过实验研究确定的循环功的变化也与不同对流传热系数和等温条件下获得的理论结果进行了比较。

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  • 来源
    《Energy Conversion & Management》 |2013年第11期|319-324|共6页
  • 作者

    Fatih Aksoy; Can Cinar;

  • 作者单位

    Department of Automotive Engineering, Faculty of Technology, Afyon Kocatepe University, Afyonkarahisar, Turkey;

    Department of Automotive Engineering, Faculty of Technology, Gazi University, Teknikokullar, Ankara, Turkey;

  • 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 engine; Rhombic-drive mechanism; Nodal analysis;

    机译：斯特林发动机;菱形驱动机构;节点分析;

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