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Article
Numerical and Experimental Analysis of the Powder Flow Streams in the Laser Aided Material Deposition Process
Proceedings of the Fifteenth Annual Solid Freeform Fabrication Symposium, Austin, TX, 2004
  • Yogesh D. Thakar
  • Heng Pan, Missouri University of Science and Technology
  • Frank W. Liou, Missouri University of Science and Technology
Abstract

Axial powder stream concentration between the nozzle end and the deposition point is an important process parameter in the laser aided material deposition process. The powder concentration is greatly influenced by the nozzle geometry in use. This paper describes the numerical and experimental analysis of this important parameter in relation to the coaxial nozzle. The experiments are performed with the different nozzle geometries to generate various flow patterns of the gravity fed powder in a cold stream. The results of the experimental analysis are compared with the numerical simulation and found justified. These results are used in concluding the significance of important nozzle parameters for various powder concentration modes.

Department(s)
Mechanical and Aerospace Engineering
Keywords and Phrases
  • Deposition Process,
  • Flow Patterns,
  • Powder Stream
Document Type
Article - Conference proceedings
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2004 University of Texas Press, All rights reserved.
Publication Date
1-1-2004
Citation Information
Yogesh D. Thakar, Heng Pan and Frank W. Liou. "Numerical and Experimental Analysis of the Powder Flow Streams in the Laser Aided Material Deposition Process" Proceedings of the Fifteenth Annual Solid Freeform Fabrication Symposium, Austin, TX, 2004 (2004)
Available at: http://works.bepress.com/heng-pan/10/