반도체디스플레이기술학회지 (Journal of the Semiconductor & Display Technology)

한국반도체디스플레이기술학회 (The Korean Society Of Semiconductor & Display Technology)
권호 표지

비이송식 플라즈마 토치 구조에 따른 열 플라즈마 특성 시험

An Experimental Analysis on the Thermal Plasma Characteristics to the Geometry in Non-Transferred Torch

  • 정안목 (공주대학교 대학원 기계공학과) ;
  • 전의식 (공주대학교 기계자동차 공학부)
  • Jeong, An-Mok (Graduate School of Mechanical Engineering, Kongju National University) ;
  • Jun, Euy-Sik (School of Mechanical Engineering, Kongju National University)
  • 발행 : 2009.12.31
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초록

The influence on a stability of thermal plasma has been investigated in an electrode structure of non-transferred plasma torch. The variations of dynamic characteristic of the arc voltage was analyzed and compared in terms of voltage character and nozzle types for both the step-shaped nozzles and magnetic-approved cylindrical nozzle. From the experimental results, an electrode gap, flow rate of arc gas, and currents are considered as major operational parameters. As conclusion, it was assured that a torch with step-shaped nozzles of magnetic-approved type produce the stable plasma jet.

키워드

참고문헌

  1. S.-M. Oh, D.-W. Park, “Thermal Plasma Process forProducing Ultra-fine Powders”, J. Korean Ind. andEng. Chem., Vol.16, No. 3, pp. 305-311, 2005.
  2. B.-L. Choi, W.-T. Ju, “Development of a Plasma TorchWith Variable Electrode Gap Spacing”, Energy Eng.,Vol. 3, No. 2, pp. 225-235, 1994.
  3. John Peters, “Effect of Torch Design and OperatingConditions on Plasma Properties in a Plasma CuttingSystem”, University of Minnesota, 2006.
  4. T.-J. Lho, S.-J. Lha, “Arc Efficiency and Kerf Widthin Plasma Arc Cutting Process”, Journal of theKorean Welding Society, Vol. 5, No. 1, pp. 107-111,1987.
  5. Zheng Duan, “Investigations of Plasma Instabilitiesin a Spray Torch”, University of Minnesota, 2000.
  6. Y.-W. Bang, D.-J. Choi, H.-S. Chang, J.-S. Yang,“Design of Plasma Cutting Torch by Tolerance PropagationAnalysis”, Journal of the KWS, Vol. 18, No.3, pp. 122-130, 2000.
  7. J.-B. Kim, M.-S. Shin, J.-H. Kim, S.-Y. Kim, H.-J.Lee, “An analysis of plasma phenomena in DBD(Dielectric Barrier Discharge)”, Ksmte, pp.142-148,2008.
  8. J. Zierhut, P. Haskbeck, K.D. Landes, G. Barkezat,M. Muller, M. Schultz, Ttiplex-arc innovative threecathodeplasma torch, Proc. 15th Inter. ThermalSpray Conf., pp. 1375-1379, Nice, France, 25-29May 1998.
  9. J.-H. Moon, Youn J, Kim J.-H. Han, Optimal Designof Atmospheric Plasma Torch with Various SwirlStrengths, KSME, pp. 1736-1741, 2003.
  10. J.F. Coudert, M.P. Planche, P. Fauchais, Characterizationof D.C. plasma torch voltage fluctuations,Plasma Chem. Plasma Process, 16, s211-s277, 1996. https://doi.org/10.1007/BF01512636
  11. M.F. Zhukov, Electric arc generators of thermalplasma, Plasma Devices and Operations, 5, 1-36,1996. https://doi.org/10.1080/10519999608228824