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反向载气注入下等离子体反应器二维数值模拟 预览 被引量:2

TWO-DIMENSIONAL MODELING OF A PLASMA REACTOR WITH THE COUNTER INJECTION OF CARRIER GAS
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摘要 本文对有反向载气注入条件下等离子体反应器内的传热与流动特性进行了二维数值模拟.数值计算结果表明,由于反向载气的注入,在等离子体发生器喷嘴出口与载气喷口之间的空间区域会形成一个滞止层,而且该滞止层的位置随着反向注入的载气速度(流量)的增加向等离子体发生器出口移动,数值模拟结果与实验观察结果定性一致. In this paper,a two-dimensional modeling of heat transfer and fluid flow in a counter- flow plasma reactor is conducted.The calculated results show that a stagnation layer can be formed between the anode nozzle of the plasma torch and the injection port of the carrier gas due to the counter injection of the cold carrier gas;and the position of the stagnation layer can be pushed toward the torch nozzle exit with increasing the injection velocity(or flow rate)of the carrier gas.The modeling results are qualitatively in agreement with experimental observations.
作者 吴贵清 李和平 包成玉 WU Gui-Qing  LI He-Ping  BAO Cheng-Yu 
出处 《工程热物理学报》 EI CAS CSCD 北大核心 2007年第z2期58-60,共3页 Journal of Engineering Thermophysics
基金 国家自然科学基金资助项目(No.10405015)
关键词 热等离子体 反向载气 反应器 数值模拟 thermal plasma counter-flow reactor modeling
作者简介 吴贵清(1974-),男,湖南涟源人,硕士研究生,主要从事热等离子体条件下传热与流动问题研究.
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参考文献6

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同被引文献5

  • 1Fauchais P, Vardelle A. Thermal plasmas [J]. IEEE Transactions on Plasma Science, 1997, 25(6): 1258- 1280. 被引量:1
  • 2Paik S, Chen X, Kong P, et al. Modeling of a counterflow plasma reactor [J]. Plasma Chem Plasma Process, 1991, 11(2) :229-249. 被引量:1
  • 3Or T W, Kong P C, Pfender E. Counter-flow liquid injection plasma synthesis of spinel powders [J]. Plasma Chem Plasma Process, 1992, 12(2) : 189 - 201. 被引量:1
  • 4Zhang B, Liu B, Renault T, et al. Synthesis of aluminum nanoparticles using DC thermal plasma [C]//Mostaghimi J, Coyle T W, Pershin V A, et al. Proceedings of the 17th International Symposium on Plasma Chemistry. Toronto: University of Toronto Press Ine, 2005 : 832 - 833. 被引量:1
  • 5LI Heping, CHEN Xi. Three-dimensional modeling of the turbulent plasma jet impinging upon a flat plate and with transverse particle and carrier-gas iniection [J]. Plasma Chem Plasma Process, 2002, 22(1): 27 - 58. 被引量:1

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