| 高浓度二氧化碳烟气辐射换热特性分析与计算 |
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| 引用本文： | 刘彦丰,薛宪阔.高浓度二氧化碳烟气辐射换热特性分析与计算[J].华北电力大学学报,2009,36(3). |
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| 作者姓名： | 刘彦丰 薛宪阔 |
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| 作者单位： | 华北电力大学,能源与动力工程学院,河北,保定,071003 |
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| 摘 要： | 介绍了常规辐射特性计算方法、逐线计算方法和基于光谱法窄谱带模型的Leckner方法,采用Leckner方法对二氧化碳烟气辐射特性进行计算并与常规计算和逐线计算进行比较,结果表明由于范围限制常规方法不适用于高浓度二氧化碳烟气辐射特性计算,Leckner方法能保证足够精度,较之传统方法有着更广泛的适用范围,可用于高浓度二氧化碳烟气辐射特性计算;采用Leckner方法计算表明,在高浓度二氧化碳烟气中,发射率随烟气温度的增加而降低,随辐射层厚度的增加而升高。
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| 关 键 词： | 高浓度二氧化碳 辐射换热 窄谱带 Leckner方法 |
Analysis and calculation on the characteristics for radiative heat transfer of flue gas with high carbon dioxide concentration |
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| LIU Yan-feng,XUE Xian-kuo.Analysis and calculation on the characteristics for radiative heat transfer of flue gas with high carbon dioxide concentration[J].Journal of North China Electric Power University,2009,36(3). |
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| Authors: | LIU Yan-feng XUE Xian-kuo |
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| Affiliation: | School of Energy and Power Engineering;North China Electric Power University;Baoding 071003;China |
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| Abstract: | The conventional radiation characteristics methods line-byline calculation method and the Leckner method which based on the narrow spectrum model were introduced,using Leckner methods to calculate the radiative characteristics of carbon dioxide flue gas and compare with the conventional methods and line-byline calculation method.The results indicate that because of the limitation of the application scope the conventional methods not suitable for calculating it,the Leckner method can guarantee sufficient acc... |
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| Keywords: | high carbon dioxide concentration radiative heat transfer narrow spectrum leckner method |
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