CFD study of a sudden-expanding coal combustor using Euler-Euler and Euler-Lagrange models

Yu Zhang; Xiao-Lin Wei; Da-You Liu

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CFD study of a sudden-expanding coal combustor using Euler-Euler and Euler-Lagrange models

机译：使用Euler-Euler和Euler-Lagrange模型对突然膨胀的煤燃烧室进行CFD研究

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In this study, the Euler-Euler (E-E) and Euler-Lagrange (E-L) models designed for the same chemical mechanism of heterogeneous reactions were used to predict the performance of a typical sudden-expanding coal combustor. The results showed that the current E-E model underestimated the coal burnout rate because the particle temperature fluctuation on char combustion is not adequately considered. A comparison of the E-E and E-L simulations showed the underestimation of heterogeneous chemical reaction rates by the E-E model.

机译：在这项研究中，为异质反应的相同化学机理设计的Euler-Euler（E-E）和Euler-Lagrange（E-L）模型用于预测典型的突燃煤燃烧器的性能。结果表明，当前的E-E模型低估了煤的燃尽率，因为没有充分考虑炭燃烧时的颗粒温度波动。对E-E和E-L模拟的比较表明，E-E模型低估了异构化学反应速率。

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来源
《Fuel》 |2010年第12期|p.3643-3649|共7页
作者
Yu Zhang; Xiao-Lin Wei; Da-You Liu;
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作者单位

Institute of Mechanics, Chinese Academy of Sciences, PR China;

rnInstitute of Mechanics, Chinese Academy of Sciences, PR China;

rnInstitute of Mechanics, Chinese Academy of Sciences, PR China;

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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
multiphase turbulent flow; heterogeneous reactions; particle temperature fluctuation;

机译：多相湍流异质反应颗粒温度波动;

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机译：使用Euler-Euler和Euler-Lagrange模型对突然膨胀的煤燃烧室进行CFD研究

CFD study of a sudden-expanding coal combustor using Euler-Euler and Euler-Lagrange models

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