FLOW VISUALIZATION USING PARTICLE TRACK IMAGING IN LOW STRAIN RATE SOOTY LAMINAR FLAMES

Hemant P. Mungekar; Arvind Atreya; David Everest

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FLOW VISUALIZATION USING PARTICLE TRACK IMAGING IN LOW STRAIN RATE SOOTY LAMINAR FLAMES

机译：在低应变率光滑层流火焰中使用颗粒轨迹成像的流可视化

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A laser-based particle track imagining technique has been developed and applied to flow visualizations in sooty and nonsooty methane counterflow diffusion flames (CFDF). To the best of our knowledge, these flow visualizations have revealed the first visual proof of the existence of sooty methane flames on the fuel side of the stagnation plane. A comparison of the experimentally determined particle velocity with the computed gas-phase velocity along the stagnation streamline showed that the thermophoretic forces on the seeding particles should not be neglected while interpreting the results from flow visualizations in flames with low strain rate.

机译：已经开发了基于激光的粒子轨迹成像技术，并将其应用于烟气和非烟气甲烷逆流扩散火焰（CFDF）中的流动可视化。据我们所知，这些流动可视化显示了停滞平面燃料侧存在煤烟甲烷火焰的第一个视觉证据。将实验确定的粒子速度与沿停滞流线计算的气相速度进行比较，结果表明，在解释低应变率火焰中的流动可视化结果时，不应忽略对粒子的热泳力。

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《Journal of Flow Visualization and Image Processing》 |2003年第4期|p.195-209|共15页
作者
Hemant P. Mungekar; Arvind Atreya; David Everest;
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作者单位

Department of Mechanical Engineering University of Michigan, Ann Arbor, MI 48109;

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正文语种 eng
中图分类应用力学;
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FLOW VISUALIZATION USING PARTICLE TRACK IMAGING IN LOW STRAIN RATE SOOTY LAMINAR FLAMES

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