Journal of
Engineering and Technology Research

  • Abbreviation: J. Eng. Technol. Res.
  • Language: English
  • ISSN: 2006-9790
  • DOI: 10.5897/JETR
  • Start Year: 2009
  • Published Articles: 198

Full Length Research Paper

Heat flux and plasma parameters in plasma welding by means of velocity shear instability

R. K. Tyagi1*, A. Kumar1 and R. S. Pandey2
  1Department of Mechanical Engineering, Birla Institute of Technology, Mesra Ranchi, Jharkhand, India. 2Department of Applied Physics, Amity School of Engineering and Technology, Amity University, Utter Pradesh, Noida, India.
Email: [email protected]

  •  Accepted: 05 April 2012
  •  Published: 30 April 2012

Abstract

 

Industrial applications of plasma welding technology are in spot light in many industries. The flexibility of coupling electric field, magnetic field and parameters in plasma heat flux has been demonstrated in selected pilot scale and plasma welding for metallurgical and parametallurgical purpose. This paper present effect of different parameters: magnetic field, homogenous Direct Current electric field (DC), shear scale length, temperature anisotropy, inhomogeneoity in DC electric field, density gradient on heat flux. Theoretical results from mathematical model shows that plasma parameters affect the heat flux in plasma welding by velocity shear instability.

 

Key words: Plasma, welding, heat flux, plasma parameters, velocity shear instability.

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