Design of gas circulation system in high power TEA CO2 laser

shao chunlei

Volume 21 Issue 01

Jan. 2009

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Article Navigation > High Power Laser and Particle Beams > 2009 > 21(01): 0-

xiao nan, jiang zong-fu, hua wei-hong, et al. Effects of pulverized Mg powders on pyrotechnic pumping source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

shao chunlei. Design of gas circulation system in high power TEA CO2 laser[J]. High Power Laser and Particle Beams, 2009, 21.

xiao nan, jiang zong-fu, hua wei-hong, et al. Effects of pulverized Mg powders on pyrotechnic pumping source[J]. High Power Laser and Particle Beams, 2008, 20.

Citation:

shao chunlei. Design of gas circulation system in high power TEA CO2 laser[J]. High Power Laser and Particle Beams, 2009, 21.

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Design of gas circulation system in high power TEA CO2 laser

shao chunlei

1.
Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China

Publish Date: 2009-01-15

Abstract

Abstract

The gas circulation system in TEA CO2 laser is very important. The parameters, the structure and the design of the system are analyzed. A symmetric structure is adopted and an axial blower and a plate-fin heat exchanger are selected. Using volume flux method, the gas velocity in the discharge zone is determined. The static pressure parameters of the fan are determined, taking into account of the additional resistance.The gas circulation system has an average gas velocity of 84.8 m/s, with inhomogeneity 4.2% longitudinally and 0.38% horizontally respectively. Under the condition of a discharge volume of 2.5×10-3 m3, a single pulse injection energy of 276 J, and a discharge pulse width at 150 ns, the system successfully achieves an even and steady glow discharge at a repetition rate of 400
- tea co2 laser,
- gas circulation,
- fan,
- heat exchanger,
- flow field resistance

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