Structural analysis of converging jets in a triple torch plasma system

Kandasamy Ramachandran, Hideya Nishiyama

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

A three-dimensional numerical model is developed to clarify the structure of the converging jets in a triple torch plasma system. Three individual argon plasma jets, issued into atmospheric argon, are mixed with given angle of convergence and form a converged plasma jet. Predicted results show that thermo-fluid fields of the converging plasma jets are symmetric with three symmetric sections at an interval 120°. Symmetry and uniformity of thermo-fluid fields increase with decreasing angle of convergence. Temperature field is more sensitive to angle of convergence than the velocity field. Symmetry of thermo-fluid fields is improved in downstream direction. A dip in the velocity fields corresponds to poor mixing and diffusion of velocity fields of three individual plasma jets. Central gas injection decreases converging jets temperature significantly.

Original languageEnglish
Pages (from-to)1198-1203
Number of pages6
JournalJournal of Physics D: Applied Physics
Volume36
Issue number10
DOIs
Publication statusPublished - 2003 May 21

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Acoustics and Ultrasonics
  • Surfaces, Coatings and Films

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