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Study of Deformation of Water-Cooled Laser Mirror Used in High Power Laser System

[+] Author Affiliations
Panpan Hu, Haihong Zhu, Chongwen He, Jie Yin, Linda Ke

Huazhong University of Science and Technology, Wuhan, China

Paper No. HT2013-17635, pp. V003T09A009; 7 pages
  • ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology
  • Volume 3: Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat Transfer in Electronic Equipment; Symposium in Honor of Professor Richard Goldstein; Symposium in Honor of Prof. Spalding; Symposium in Honor of Prof. Arthur E. Bergles
  • Minneapolis, Minnesota, USA, July 14–19, 2013
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-5549-2
  • Copyright © 2013 by ASME


The transient thermal deformations of laser water-cooled mirror surface with minichannels have been numerically studied. The theoretical results show that fluid flow has a great influence on temperature distribution and thermal deformation. The maximum of temperature and thermal deformation appear in the downstream area, which is different from the previous research results. Meanwhile, experiments with different working conditions are conducted to validate the numerical simulation, and the numerical results agree well with the experimental data. The emulation method of thermal deformation of water-cooled mirror used in this study is proved to be effective research method.

Copyright © 2013 by ASME



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