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Analysis and calculation on the characteristics for radiative heat transfer of flue gas with high carbon dioxide concentration
Author(s): 
Pages: 76-80
Year: Issue:  3
Journal: Journal of North China Electric Power University

Keyword:  高浓度二氧化碳辐射换热窄谱带Leckner方法;
Abstract: 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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