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Numerical and experimental evaluation and optimization of ceramic foam as solar absorber - Single-layer vs multi-layer configurations

机译：陶瓷泡沫作为太阳能吸收剂的数值和实验评估及优化-单层与多层结构

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摘要

This work targets the numerical and experimental evaluation of ceramic foam as solar absorber material for solar thermal power generation. Two different 1-D model types with local thermal non-equilibrium (LTNE) have been developed independently at CENER and Fraunhofer-IKTS. The modeling of radiation propagation inside the foam is considered via two approaches. One approach is based on a discrete-ordinate solution of the radiation transport equation; the other imposes the solar flux defining an exponential attenuation, as derived from Bouguer's law, and considering thermal radiation transport according to Rosseland's diffusion approximation.
机译：这项工作的目标是对作为太阳能热发电用太阳能吸收材料的泡沫陶瓷进行数值和实验评估。 CENER和Fraunhofer-IKTS分别开发了两种不同的具有局部热不平衡（LTNE）的1-D模型类型。泡沫内部辐射传播的模型是通过两种方法考虑的。一种方法是基于辐射传输方程的离散坐标解。另一种方法是根据布格定律施加太阳通量来定义指数衰减，并根据Rosseland的扩散近似法考虑热辐射传输。

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  • 来源
    《Applied Energy》 |2018年第15期|351-375|共25页
  • 作者

    Zaversky Fritz; Aldaz Leticia; Sanchez Marcelino; Avila-Marin Antonio L.; Isabel Roldan M.; Fernandez-Reche Jesus; Fuessel Alexander; Beckert Wieland; Adler Joerg;

  • 作者单位

    Natl Renewable Energy Ctr CENER, Solar Thermal Energy Dept, C Ciudad Innovac 7, Sarriguren, Navarre, Spain;

    Natl Renewable Energy Ctr CENER, Solar Thermal Energy Dept, C Ciudad Innovac 7, Sarriguren, Navarre, Spain;

    Natl Renewable Energy Ctr CENER, Solar Thermal Energy Dept, C Ciudad Innovac 7, Sarriguren, Navarre, Spain;

    CIEMAT, Plataforma Solar Almeria, Avda Complutense 40, E-28040 Madrid, Spain;

    CIEMAT, Plataforma Solar Almeria, POB 22, E-04200 Tabernas Almeria, Spain;

    CIEMAT, Plataforma Solar Almeria, POB 22, E-04200 Tabernas Almeria, Spain;

    Fraurthofer Inst Keram Technol & Syst IKTS, Winterbergstr 28, D-01277 Dresden, Germany;

    Fraurthofer Inst Keram Technol & Syst IKTS, Winterbergstr 28, D-01277 Dresden, Germany;

    Fraurthofer Inst Keram Technol & Syst IKTS, Winterbergstr 28, D-01277 Dresden, Germany;

  • 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

    Concentrated solar power (CSP); Ceramic foam absorber; Optimization; 1-D modeling;

    机译：聚光太阳能;陶瓷泡沫吸收器;优化;一维建模;

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