王引真,张永昂,孙玉伟,冯涛

• 1:中国石油大学(华东)机电学院
• 2:西南油气田安全环保与技术监督研究院

摘要(Abstract)：

运用FLUENT软件,在气体-颗粒两相流基础上,计算了纯氧气、空气、氧-空气联合助燃3种情况下超音速火焰喷涂的燃烧特性。结果表明:纯氧气助燃时燃烧充分,焰流温度高,但氧气质量流量增加对焰流温度影响很小;空气助燃时所用空气流量大,导致燃烧室压力大,故适宜喷涂低熔点、易氧化粉末材料;氧-空气联合助燃时,氧气含量越大,焰流能达到的最高温度越高,但当氧气含量达到一定比例后可完全替代纯氧助燃;助燃气体中氧气含量的不同间接影响燃烧产物成分分布。

关键词(KeyWords)： 超音速火焰喷涂;助燃条件;燃烧特性;两相流

Abstract:

Keywords:

基金项目(Foundation): 中国石油大学(华东)研究生创新基金(11CX06064A)

作者(Author): 王引真,张永昂,孙玉伟,冯涛

DOI: 10.13289/j.issn.1009-6264.2013.03.033

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