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激光诱导炽光技术测试过程的数值模拟

Keywords: 激光诱导炽光,碳烟,粒径

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Abstract:

建立了激光诱导炽光技术测试过程的数学模型,对激光加热过程中碳烟粒子的粒径和温度的变化进行计算,并基于模型重点考察了入射激光波长、入射激光能量密度及初始粒径对碳烟粒子加热过程的影响.结果表明,入射激光波长选择532nm是比较好的选择,激光能量密度对激光诱导炽光技术的测试过程的影响很大,可以利用温度衰减速率推断碳烟粒子的初始粒径;该数学模型的建立及数值模拟表明运用激光诱导炽光技术可以推断碳烟初始粒径.

References

[1]  Eckbreth A C. Effects of laser-modulated particle incandescence on raman scatting diagnostics[J]. Journal of Applied Physics, 1977,48(11):4473-4479.
[2]  Melton L A. Soot diagnostics based on laser heating[J]. Applied Optics, 1984,23(13):2201-2208.
[3]  Weeks R W, Duley W W, Aerosol-particle sizes from light emission during excitation by TEA CO2 laser pulses[J]. Applied Physics, 1974,45(10):4661-4662.
[4]  Will S, Schraml S, Leipertz A. Two-dimensional soot-particle sizing by time-resolved laser-indued incandescence[J]. Optics Letters, 1995,20(22):2342-2344.
[5]  Liu Fengshan, Stagg B J, Snelling D R, et al. Effects of primary soot particle size distribution on the temperature of soot particles heated by a nanosecond pulsed laser in an atmospheric laminar diffusion flame[J]. International Journal of Heat and Mass Transfer, 2006,46:777-788.
[6]  王飞,严建华,马增益.运用激光诱导发光法测量炭黑粒子浓度的模拟计算[J].中国电机工程学报,2006,26(7):6-11. Wang Fei, Yan Jianhua, Ma Zengyi. Simulation on soot concentration measurement with laser induced incandescence[J]. Proceedings of the CSEE, 2006,26(7):6-11. (in Chinese)
[7]  何旭,马骁,王建昕.用激光诱导炽光法定量测量火焰中的碳烟浓度[J]. 燃烧科学与技术,2009,15(4):344-349. He Xu, Ma Xiao, Wang Jianxin. Quantitative soot concentration measurement of flame by laser induced incandescence[J]. Journal of Combustion Science and Technology, 2009,15(4):344-349. (in Chinese)
[8]  王宇,姚强,何旭,等.用激光诱导可见光法测量电场影响下火焰碳烟颗粒浓度的分布变化[J].中国电机工程学报,2008,28(8):34-39. Wang Yu, Yao Qiang, He Xu, et al. Electric field control of soot distribution in flames using laser induced incandescence[J]. Proceedings of the CSEE, 2008,28(8):34-39. (in Chinese)
[9]  Dalzell W H, Sarofim A F. Optical constants of soot and their application to heat flux calculations[J]. Journal of Heat Transfer, 1969(91):100-104.
[10]  Snelling D R, Liu F, Smallwood G J, et al. Determination of the soot absorption function and thermal accommodation coefficient using low-fluence LII in a laminar coflow ethylene diffusion flame[J]. Combust Flame, 2004(136):180-190.
[11]  Zhao H, Ladommatos N. Optical diagnostics for soot and temperature measurement in diesel engines[J]. Prog Energy Combust, 1998(24):221-255.
[12]  范汝新,丁丽萍.关于炭黑利润大幅下滑的思考[J].中国橡胶,2009,25(19):22-23. Fan Ruxin,Ding Liping. Thought about the sharp drop in profits on the black carbon[J]. China Rubber,2009,25(19):22-23. (in Chinese)
[13]  Zhao Hua, Nicos Ladommatos. Engine combustion instrumentation and diagnostics[M]. Warrendale, USA: Society of Automotive Engineers, 2001.

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