Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/12421
Title: Three-dimensional modeling of the gas field distribution of a high-pressure gas jet used in laser fusion cutting
Authors: Duan, J
Man, HC 
Yue, TM 
Keywords: Gas flow field
Laser fusion cutting
Nozzle
Three-dimensional modeling
Issue Date: 2001
Publisher: Laser Institute of America
Source: Journal of laser applications, 2001, v. 13, no. 6, p. 239-246 How to cite?
Journal: Journal of laser applications 
Abstract: Three-dimensional modeling of the gas field distribution of high pressure gas jets used in laser fusion cutting was discussed. A mathematical model for calculating field distribution, locating the position of normal shock, and comparing the dynamic characteristics of the gas jet coming from subsonic and supersonic nozzles under different inlet stagnation pressures was presented. The simulated results were compared with the shadowgraphs of the actual gas jet. The theoretical results were found to be in good agreement with the experimental techniques. The gas jet from supersonic nozzle featured uniform distribution, maximum even momentum thrust and a parallel jet boundary under designed working pressures.
URI: http://hdl.handle.net/10397/12421
ISSN: 1042-346X
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