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2012 (Vol. 4, Issue: 10)
Article Information:

Numerical Optimization of Cylinder Flow Structure of CO2 Laser

Jiang Fan and He Hua
Corresponding Author:  Jiang Fan 

Key words:  CO2 laser, cylinder flow structure, dynamics mesh, numerical optimization, , ,
Vol. 4 , (10): 1268-1276
Submitted Accepted Published
November 28, 2011 January 04, 2012 May 15, 2012

The cylinder flows structure is important part in the transverse-flow CO2 laser, which affects the internal gas flow, and influences the flow kinetic energy loss. To study structural optimization to reduce the flow kinetic energy loss is a key concern of designers. In this study, the dynamic mesh model is used to simulate the rotation of cross-flow fan, the calculation process shows that it is easy to understand how to set parameter and treat mesh. Through optimization analysis on six structure parameters of the cylinder flow, we obtain the results that some of the parameters significantly influence the mixture gas velocity distribution in the discharge domain, but some other parameters of the flow field less affected velocity distribution of the discharge domain. The variation trends of the velocity distribution is also inconsistent which impacted by variation of each parameter. Through comprehensive analysis, the results of the optimization are: α1 = 14; α2 = 67.9; α3 = 73.1; α4 = 9.5; α5 = 65.6; α6 = 41.7. By validation calculations for the optimized structure of cylinder flow, we obtain the results that the flow state of discharge domain in the optimized structure is better than that of the previous structure.
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  Cite this Reference:
Jiang Fan and He Hua, 2012. Numerical Optimization of Cylinder Flow Structure of CO2 Laser.  Research Journal of Applied Sciences, Engineering and Technology, 4(10): 1268-1276.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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