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Effects of Rapid Heating of Soot: Implications when Using Laser-InducedIncandescence for Soot Diagnostics

机译：烟灰快速加热的影响：使用激光诱导的白度化进行烟灰诊断的意义

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Recent experimental efforts have exploited the high temporal and spatialresolution of laser-induced incandescence (LII) as both a qualitative and quantitative measure of soot volume fraction. As a relatively new diagnostic technique, issues remain as to appropriate excitation laser intensities and the poential intrusive characteristics of LII. The high temperatures to which the soot is heated may accelerate heterogeneous reactions between the soot and flame gases. Vaporization of soot by high energy pulsed laser light has been theoretically modelled and experimentally observed. Potential physical and/or chemical changes in the laser-heated soot raises the question of how the LII signal depends upon these changes as well as the inferred soot volume fraction. Thus we investigated the effects of high energy pulsed laser light on the soot particles.

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Vanderwal, R. L.; Choi, M. Y.; Lee, K.;
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年度 1995
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总页数 5
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Heating; Incandescence; Laser ablation; Light beams; Pulsed lasers; Soot; Concentration(Composition); High temperature; Laser outputs; Premixed flames; Electron microscopy; Yag lasers;

机译：加热;白炽度;激光烧蚀;光束;脉冲激光;烟灰;浓度（成分）;高温;激光输出;预混火焰;电子显微镜; Yag激光;

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3. Effects of soot inception and condensation PAH species and fuel preheating on soot formation modeling in laminar coflow CH_4/air diffusion flames doped with n-heptane/toluene mixtures [J] . Zhang Cuiqi, Chen Longfei, Ding Shuiting, Fuel . 2019,第Octa1期

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7. Evolution of soot size distribution during soot formation and soot oxidation-fragmentation in premixed flames: Experimental and modeling study. [D] . Echavarria, Carlos Andres. 2010

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8. SnO2Nanowire Arrays and Electrical Properties Synthesized by Fast Heating a Mixture of SnO2and CNTs Waste Soot [O] . Zi-Jiong Li, Zhen Qin, Zhi-Hua Zhou, 2009

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9. The Effects of Rapid Heating of Soot: Implications When Using Laser-Induced Incandescence for Soot Diagnostics [O] . Choi Mun Young, Lee Kyeong-Ook, Vanderwal Randy L. 1995

机译：烟尘快速加热的影响：使用激光诱导白炽灯进行烟尘诊断时的含义

Effects of Rapid Heating of Soot: Implications when Using Laser-InducedIncandescence for Soot Diagnostics

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