Design of an axisymmetric supersonic nozzle for micro laser cutting.

被引：0
|
作者：
Khan, AH [1 ]
O'Neill, W [1 ]
Sutcliffe, CJ [1 ]
Tunna, L [1 ]
机构：
[1] Univ Liverpool, Fac Engn, Liverpool L69 3BX, Merseyside, England
来源：
20TH ICALEO 2001, VOLS 92 & 93, CONGRESS PROCEEDINGS | 2001年
关键词：
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A second-order method of characteristics (MOC) algorithm was used to determine the flow field and wall contour for supersonic axisymmetric, minimum length micro nozzles with a straight sonic line. Contours for axisymmetric supersonic micro nozzles were predicted with a stagnation pressure of 8 atmospheres. These profiles were then tested using a compressible Computational Fluid Dynamic (CFD) code. The CFD codes were also used to model pressure distribution and shock formation during the laser cutting and drilling mechanisms. Results obtained were compared with experimental analysis.
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页码：353 / 362
页数：10
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