Numerical simulation of heat transfer between air flow and ceramic foam in air receiver

LI Qing; BAI Fengwu; ZHANG Yanan

doi:10.3969/j.issn.0438-1157.2014.z1.035

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Numerical simulation of heat transfer between air flow and ceramic foam in air receiver

更新时间：2025-12-10

- Numerical simulation of heat transfer between air flow and ceramic foam in air receiver
- CIESC Journal Issue S1, Pages: 217-222(2014)
- 作者机构：
  
  中国科学院电工研究所, 中国科学院太阳能热利用及光伏系统重点实验室,北京,100190
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.z1.035
  CLC： M615
- Online First：30 May 2014，
  
  Published：30 May 2014
- 稿件说明：
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LI Qing, BAI Fengwu, ZHANG Yanan. Numerical simulation of heat transfer between air flow and ceramic foam in air receiver[J]. CIESC Journal, 2014, (S1): 217-222.
DOI：

LI Qing, BAI Fengwu, ZHANG Yanan. Numerical simulation of heat transfer between air flow and ceramic foam in air receiver[J]. CIESC Journal, 2014, (S1): 217-222. DOI： 10.3969/j.issn.0438-1157.2014.z1.035.

摘要

基于Dymola软件平台，建立了以碳化硅泡沫陶瓷为吸热体的塔式太阳能热发电用空气吸热器一维动态仿真模型。模型结合了Rosseland辐射传递方程，并考虑了空气物性随温度及压强的变化。使用Modelica语言编写程序，并由该语言对代数微分方程自动求解。通过分析仿真结果，剖析空气吸热器工作过程的传热特性，得出投入辐射能热通量、吸热体厚度、平均孔径等参数对空气、吸热体温度及系统达到稳定所需时间的影响，为该类空气吸热器的设计提供了理论依据。

Abstract

A one-dimensional dynamic simulation model of the porous ceramic foam air receiver for solar power tower was established on Dymola. Rosseland radiation model and air properties variation with temperature and pressure were considered in this model. Modelica language was used in programming

which can solve the Algebraic Differential Equations automatically. The heat transfer between air flow and ceramic foam in the air receiver was studied. The influence on the temperatures of air and absorber

the time needed to reach steady

brought by the input radiation power

the thickness and average cell size of ceramic foam were analyzed.

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