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首页> 外文期刊>Energy Conversion & Management >Performance testing of a Fresnel/Stirling micro solar energy conversion system
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Performance testing of a Fresnel/Stirling micro solar energy conversion system

机译：菲涅耳/斯特林微型太阳能转换系统的性能测试

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摘要

In this study, a beta-type Stirling engine was tested with concentrated solar radiation. The displacer cylinder of the engine was modified by integrating a concentrated solar radiation receiver. Basically, the receiver is a cavity drilled in a separate part mounted on top of the displacer cylinder by screws. Tests were conducted with three cavities made of aluminium, copper and stainless steel. The solar radiation was concentrated by a Fresnel lens with 1.4 m~2 capture area. Among the cavities, the highest performance was provided by aluminium cavity and followed by the stainless steel and copper cavities respectively. The maximum shaft power was observed as 64.4 W at systematic tests conducted with the aluminium cavity. The maximum shaft power corresponded to 218 rpm engine speed and 2.82 Nm torque. For this shaft power, the overall conversion efficiency of the system was estimated to be 5.64%. The maximum torque measured with aluminium cavity was 2.93 Nm corresponding to 177 rpm below which the engine stopped. The Fresnel-lens/Stirling-engine micro power plant established in this investigation was more efficient than the micro power plants presented in the literature.
机译：在这项研究中，对β型斯特林发动机进行了集中太阳辐射测试。通过集成集中式太阳辐射接收器对发动机的置换缸进行了修改。基本上，接收器是一个空腔，该空腔在单独的部分中通过螺钉安装在浮筒的顶部。使用铝，铜和不锈钢制成的三个型腔进行了测试。太阳辐射通过菲涅耳透镜聚集，捕获面积为1.4 m〜2。在型腔中，性能最好的是铝型腔，其次是不锈钢型腔和铜型腔。在铝腔进行的系统测试中，最大轴功率为64.4W。最大轴功率相当于218 rpm发动机转速和2.82 Nm扭矩。对于该轴功率，系统的整体转换效率估计为5.64％。用铝腔测得的最大扭矩为2.93 Nm，对应于177 rpm，低于该转速发动机便停止运转。在这项研究中建立的菲涅耳透镜/斯特林发动机微型发电厂比文献中介绍的微型发电厂效率更高。

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  • 来源
    《Energy Conversion & Management》 |2013年第11期|629-634|共6页
  • 作者

    Fatih Aksoy; Halit Karabulut;

  • 作者单位

    Department of Automotive Engineering, Faculty of Technology, Afyon Kocatepe University, 03200 Afyonkarahisar, Turkey;

    Department of Automotive Engineering, Faculty of Technology, Cazi University, 06500 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; Solar energy; Fresnel lens; Cavity; Performance;

    机译：斯特林发动机;太阳能;菲涅尔透镜腔;性能;

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