Behaviour of supersonic and subsonic gas jets inside laser cut kerfs

Hau Chung Man, J. Duan, Tai Man Yue

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

9 Citations (Scopus)

Abstract

A supersonic nozzle tip for high pressure gas assist laser cutting was designed based on the gas dynamic theories and the characteristics of its exit jet at free space were reported in last year's conference. More investigations have been carried out since. The effect of stand-off upon the jet momentum was studied using shadowgraphic technique. The behaviour of the gas jet inside the cut slot at different stand-off distance and inlet pressure were investigated. Cutting experiments were carried out using a 3.5 kw CO2laser.
Original languageEnglish
Title of host publicationLaser Institute of America, Proceedings
PublisherLaser Inst of America
Publication statusPublished - 1 Dec 1997
EventProceedings of the 1997 Laser Materials Processing Conference, ICALEO'97. Part 1 (of 2) - San Diego, CA, United States
Duration: 17 Nov 199720 Nov 1997

Conference

ConferenceProceedings of the 1997 Laser Materials Processing Conference, ICALEO'97. Part 1 (of 2)
CountryUnited States
CitySan Diego, CA
Period17/11/9720/11/97

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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