INFLUENCE OF A PERIODIC RADIATION HEAT SOURCE ON POLYMER IGNITION

机译：周期性辐射热源对聚合物着火的影响

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The ignition process of a thermoplastic polymer is investigated numerically regarding to the influence of a periodic radiation source for a given range of frequency. The ignition process is initiated when a solid polymer receives a high radiation heat flux in convective flow environment. The solid polymer undergoes preheating, melting, and pyrolysis with the development of ignition. The combustible gases, as a result of condensed phase pyrolysis process, react with oxygen in the gas phase via combustion reaction. A two-dimensional multi-phase combustion model is utilized to predict the influence of periodic radiation on ignition. The ignition delay and combustion characteristics are examined with respect to the transient patterns of the external radiation sources.

机译：对于给定的频率范围，针对周期性辐射源的影响，对热塑性聚合物的着火过程进行了数值研究。当固体聚合物在对流流动环境中接收到高辐射热通量时，将启动点火过程。随着点火的发展，固体聚合物经历了预热，熔融和热解。冷凝相热解过程的结果，可燃气体通过燃烧反应与气相中的氧气反应。利用二维多相燃烧模型来预测周期性辐射对点火的影响。针对外部辐射源的瞬态图检查了点火延迟和燃烧特性。

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来源
《The 2001 ASME International Mechanical Engineering Congress and Exposition, 2001, Nov 11-16, 2001, New York, New York》|2001年|p.109-112|共4页
会议地点 New York NY(US);New York NY(US)
作者
Guanyu Zheng; Andre Benard; Indrek S. Wichman;
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作者单位

Department of Mechanical Engineering, Michigan State University, East Lansing, Ml 48824;

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原文格式 PDF
正文语种 eng
中图分类电工技术;
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INFLUENCE OF A PERIODIC RADIATION HEAT SOURCE ON POLYMER IGNITION

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