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微尺度燃烧中数值模拟模型选择研究 被引量:4

Study on the Selection for Micro-combustion Simulation Model
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摘要 该文对微尺度燃烧数值模拟所选用的模型进行了研究.通过理论上对流动和燃烧的分析,认为用传统上的临界雷诺数来区分层流燃烧和紊流燃烧在微尺度燃烧中可能不能反应实际情况,小雷诺数下也存在紊流的可能;在所研究的微尺度管道中,实验表明具有紊流特征,数值模拟和实验的对比表明,三维紊流燃烧模型比层流模型的温度分布更接近实际温度分布,能够相对较好地反应实际情况.同时在目前的数值模拟模型中,由于没有考虑熄火距离的影响,导致在微尺度燃烧模拟中会出现温度偏高的现象.
出处 《中国电机工程学报》 EI CSCD 北大核心 2006年第z1期81-87,共7页 Proceedings of the CSEE
基金 国家自然科学基金项目(50606030).
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同被引文献67

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