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Volume 38 Issue 6
Sep.  2014
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Application of computational fluid dynamics in design of heat exchanger of CO2 laser

  • Corresponding author: WANG Youqing, YQWang13@163.com
  • Received Date: 2013-12-23
    Accepted Date: 2014-01-19
  • In order to get understand the process of the heat exchanging and flow field and design heat exchangers with more flexibility, computational fluid dynamics was used to design the heat exchanger of 4kW fast axial flow CO2 laser. The flow resistance of the heat exchanger is 154.5Pa and its heat transfer is 8888.5W. The heat exchanger can ensure the long-term stability of fast axial flow CO2 laser. The research proves that computational fluid dynamics theory can make the design process of heat exchanger more efficient and accurate.
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    HERTZLER C,WOLLERMANN-WINDGASSE R. 30kW fast axial flow CO2 laser with RF excitation[J].Proceedings of the SPIE,1996, 2788: 14-23.
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    HONG H Y,WANG Y Q. Kinetic modeling and optimum design of the discharge tube for the CO2 laser with computational fluid dynamics method[J].Optical Engineering,2010,49(11):1-7.
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    HABICH U, JAROSCH U K, MALY H, et al. Fast axial flow 25kW CO2 laser with unstable resonator for industrial applications[J]. Proceedings of the SPIE,1997,3092:174-177.
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    GHOOCHANI D E, DEHGHAN G H, HASANVAND M, et al. Design and manufacture of a heat exchanger for industrial fast axial flow CO2 lasers[J].Lasers in Engineering, 2011, 21(5):305-318.
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    LU P H ,WANG R W. Heat balance analysis of high power CO2 laser and calculation to the heat exchanger[J] Chinese Journal of Lasers, 2001,28(9):775-778(in Chinese).
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    YANG S M, TAO W Q. Heat transfer[M]. Beijing: Higher Education Press,2001:130-202(in Chinese).
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    BIRD R B. Transport phenomena[M].2nd ed.New York,USA:John Wiley Sons, 2006: 310-316.
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    HUANG H Y. The simulation and optimization of the heat exchanging and flow field of the high power fast axial flow CO2 laser[D].Wuhan: Huazhong University of Science and Technology,2011:81-84(in Chinese).
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    HUANG H Y, WANG Y Q, LI Q. Heat balance analysis of 7kW fast axial flow CO2 laser and design of heat exchanger[J].Laser Technology,2010,34(2):240-246(in Chinese).
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通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Application of computational fluid dynamics in design of heat exchanger of CO2 laser

    Corresponding author: WANG Youqing, YQWang13@163.com
  • 1. College of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan 430074, China

Abstract: In order to get understand the process of the heat exchanging and flow field and design heat exchangers with more flexibility, computational fluid dynamics was used to design the heat exchanger of 4kW fast axial flow CO2 laser. The flow resistance of the heat exchanger is 154.5Pa and its heat transfer is 8888.5W. The heat exchanger can ensure the long-term stability of fast axial flow CO2 laser. The research proves that computational fluid dynamics theory can make the design process of heat exchanger more efficient and accurate.

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