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Solar parabolic dish Stirling engine system design, simulation, and thermal analysis

机译：太阳能抛物面斯特林发动机系统的设计，仿真和热分析

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摘要

Modeling and simulation for different parabolic dish Stirling engine designs have been carried out using Matlab (R). The effect of solar dish design features and factors such as material of the reflector concentrators, the shape of the reflector concentrators and the receiver, solar radiation at the concentrator, diameter of the parabolic dish concentrator, sizing the aperture area of concentrator, focal Length of the parabolic dish, the focal point diameter, sizing the aperture area of receiver, geometric concentration ratio, and rim angle have been studied. The study provides a theoretical guidance for designing and operating solar parabolic dish Stirling engines system. At Zewail city of Science and Technology, Egypt, for a 10 kW Stirling engine; The maximum solar dish Stirling engine output power estimation is 9707 W at 12:00 PM where the maximum beam solar radiation applied in solar dish concentrator is 990 W/m(2) at 12:00 PM. The performance of engine can be improved by increasing the precision of the engine parts and the heat source efficiency. The engine performance could be further increased if a better receiver working fluid is used. We can conclude that where the best time for heating the fluid and fasting the processing, the time required to heat the receiver to reach the minimum temperature for operating the Solar-powered Stirling engine for different heat transfer fluids; this will lead to more economic solar dish systems.
机译：使用Matlab（R）进行了不同抛物面碟式斯特林发动机设计的建模和仿真。日光碟设计特征和因素的影响，例如反射器聚光器的材料，反射器聚光器和接收器的形状，聚光器处的太阳辐射，抛物线形聚光器的直径，聚光器孔径区域的大小，焦距研究了抛物面，焦点直径，接收器孔径区域的大小，几何集中比和边缘角。该研究为设计和运行太阳能抛物面斯特林发动机系统提供了理论指导。在埃及的泽维尔科学技术城购买10千瓦斯特林发动机；在12:00 PM，最大的太阳能碟斯特林发动机输出功率估计为9707 W，其中在12:00 PM应用于太阳能碟聚光器的最大光束太阳辐射为990 W / m（2）。通过提高发动机零件的精度和热源效率，可以提高发动机的性能。如果使用更好的接收器工作液，则可以进一步提高发动机性能。我们可以得出结论，在加热流体并加快处理速度的最佳时间，是将接收器加热到最低温度所需的时间，以使不同的传热流体运行太阳能斯特林发动机。这将导致更经济的太阳能碟系统。

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  • 来源
    《Energy Conversion & Management》 |2016年第10期|60-75|共16页
  • 作者

    Hafez A. Z.; Soliman Ahmed; El-Metwally K. A.; Ismail I. M.;

  • 作者单位

    Univ Sci & Technol, Renewable Energy Engn Program, Zewail City Sci & Technol, 6th October City, Giza, Egypt;

    Univ Sci & Technol, Renewable Energy Engn Program, Zewail City Sci & Technol, 6th October City, Giza, Egypt|Cairo Univ, Fac Engn, Dept Chem Engn, Giza, Egypt;

    Cairo Univ, Fac Engn, Dept Elect Engn, Giza, Egypt;

    Univ Sci & Technol, Renewable Energy Engn Program, Zewail City Sci & Technol, 6th October City, Giza, Egypt|Cairo Univ, Fac Engn, Dept Chem Engn, Giza, Egypt;

  • 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

    Solar dish; Design; Thermal analysis; Stirling; Simulation; Matlab; GUI;

    机译：太阳电池;设计;热分析;斯特林;模拟;Matlab;GUI;

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