Identifying the skeleton mechanism for oscillatory combustion with functional weight analysis

Liang S.; He J.; Ji L.Zhao D.

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Identifying the skeleton mechanism for oscillatory combustion with functional weight analysis

机译：Identifying the skeleton mechanism for oscillatory combustion with functional weight analysis

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? 2022In this work, a functional weight (FW) method is proposed to identify the primary mechanism of oscillatory combustion in MILD combustors. Inter-species interactions are quantitatively measured by analyzing combustion oscillation data to recognize the importance of each link. Detailed statistics of the functional weight in the oscillatory combustion mechanism revealed that the weight distributions are highly heterogeneous, with a very limited part of the inter-species links dominating. This allowed us to easily identify important processes and build a skeleton mechanism for oscillation prediction. Case studies are conducted on methane- and propane-fueled MILD combustion systems, where oscillatory dynamic behavior is reported. It is found that the skeleton mechanism obtained can eliminate more than 90 of the reactions, keeping good oscillation prediction ability, and the recognized important reactions are in perfect agreement with the related kinetic investigations.

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《Combustion and Flame》 |2022年第10期|1-11|共11页
作者
Liang S.; He J.; Ji L.Zhao D.;
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作者单位

Department of Chemistry Capital Normal University;

Department of Mechanical Engineering College of Engineering University of Canterbury;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
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关键词
Functional weight analysis; Mechanism analysis; Mechanism reduction; Oscillating combustion;

Identifying the skeleton mechanism for oscillatory combustion with functional weight analysis

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