碳化硅泡沫陶瓷空气吸热器性能数值模拟

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

化工学报 ›› 2014, Vol. 65 ›› Issue (S1): 217-222.DOI: 10.3969/j.issn.0438-1157.2014.z1.035

碳化硅泡沫陶瓷空气吸热器性能数值模拟

李青, 白凤武, 张亚南

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

收稿日期:2014-02-10 修回日期:2014-02-23 出版日期:2014-05-30 发布日期:2014-05-30
通讯作者: 白凤武
基金资助:
国家重点基础研究发展计划项目（2010CB227104）。

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

LI Qing, BAI Fengwu, ZHANG Yanan

Key Laboratory of Solar Thermal Energy and Photovoltaic System, Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China

Received:2014-02-10 Revised:2014-02-23 Online:2014-05-30 Published:2014-05-30
Supported by:
supported by the National Basic Research Program of China(2010CB227104).

摘要/Abstract

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。

关键词: 空气吸热器, 碳化硅泡沫陶瓷, 动态仿真, 传热特性, 数值模拟, 数值分析

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.

Key words: air receiver, ceramic foam, dynamic simulation, heat transfer, numerical simulation, numerical analysis

中图分类号:

TM615

李青, 白凤武, 张亚南. 碳化硅泡沫陶瓷空气吸热器性能数值模拟[J]. 化工学报, 2014, 65(S1): 217-222.

LI Qing, BAI Fengwu, ZHANG Yanan. Numerical simulation of heat transfer between air flow and ceramic foam in air receiver[J]. CIESC Journal, 2014, 65(S1): 217-222.

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碳化硅泡沫陶瓷空气吸热器性能数值模拟

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

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