Kinetic modeling and optimum design of the discharge tube for the CO_2 laser with computational fluid dynamics method

Hongyan Huang; Youqing Wang

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Kinetic modeling and optimum design of the discharge tube for the CO_2 laser with computational fluid dynamics method

机译：计算流体力学方法对CO_2激光器放电管的动力学建模和优化设计

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The performance of a high-power fast-axial-flow CO_2 laser is directly determined by the characteristics of the turbulent flow of the active medium in the discharge region. To research the influence of the discharge tube structure on the internal gas flow field and determine the optimum design of the discharge tube, we use the computational fluid dynamics method and a set of governing equations to predict and compare the internal gas flow field of various sizes of discharge tubes. The influence of the tube diameter and gas inflow opening size on the gas flow velocity and turbulence intensity is discussed. There is good agreement between the theoretical prediction and the experimental results. The results obtained provide a basis for the optimum design of a high-power industrial fast-axial-flow CO_2 laser.

机译：高功率快速轴流CO_2激光器的性能直接取决于放电区域中活性介质的湍流特性。为了研究排放管结构对内部气体流场的影响并确定排放管的最佳设计，我们使用计算流体力学方法和一组控制方程来预测和比较各种尺寸的内部气体流场放电管。讨论了管径和进气孔尺寸对气流速度和湍流强度的影响。理论预测与实验结果吻合良好。获得的结果为大功率工业快速轴流CO_2激光器的优化设计提供了基础。

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来源
《Optical engineering》 |2010年第11期|p.114201.1-114201.7|共7页
作者
Hongyan Huang; Youqing Wang;
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作者单位

Huazhong University of Science and Technology School of Optoelectronic Science and Engineering Wuhan National Laboratory for Optoelectronics Wuhan 430074, China;

Huazhong University of Science and Technology School of Optoelectronic Science and Engineering Wuhan National Laboratory for Optoelectronics Wuhan 430074, China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
fast-axial-flow CO_2 laser; discharge tube structure; computational fluid dynamics method; discharge stability;

机译：快速轴流CO_2激光器;放电管结构;计算流体动力学方法;放电稳定性;

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机译：计算流体力学方法对CO2激光器放电管的动力学建模和优化设计
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Kinetic modeling and optimum design of the discharge tube for the CO_2 laser with computational fluid dynamics method

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