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The 3rd notification of the 14th conference on Explosion Mechanics Notification of the 14th conference on Explosion Mechanics (supplement) Contributions wanted for the special issue: the Propagation of Waves Explosion and Shock Waves is in the 6th edition of the list of S&T Journals of China List of awrard by Explosion and Shock Waves in 2022 Notification of the 14th conference on Explosion Mechanics
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Volume 30 Issue 2
Nov.  2010
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Article Navigation >  Explosion And Shock Waves  > 2010  >  30(2): 209-214
HUANG Hui, HONG Yan-ji, LIQian, CAO Zheng-rui, FENG Hai-bing. Aray-tracingmodelofairopticalbreakdown[J]. Explosion And Shock Waves, 2010, 30(2): 209-214. doi: 10.11883/1001-1455(2010)02-0209-06
Citation: HUANG Hui, HONG Yan-ji, LIQian, CAO Zheng-rui, FENG Hai-bing. Aray-tracingmodelofairopticalbreakdown[J]. Explosion And Shock Waves, 2010, 30(2): 209-214. doi: 10.11883/1001-1455(2010)02-0209-06
shu

Aray-tracingmodelofairopticalbreakdown

doi: 10.11883/1001-1455(2010)02-0209-06
  • 1.

    DepartmentofBasicTheories,AcademyofEquipmentCommandandTechnology,

  • 2.

    Beijing 101416,China;

Funds:

NationalNaturalScienceFoundationofChina(10672184)

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  • Corresponding author: HUANG Hui
  • Publish Date: 2010-03-25
    Abstract
  • Byusingtheray-tracingmethod,anairopticalbreakdownmodelwasproposedforinvestigatingthelaser- materialinteraction.Thelaserbeam wasdividedintoanumberofrays,whichwere trackedtocomputeradiationintensitybytheradiationtransferequation,andtheairopticalbreakdownwassimulated. Inthelensfocusingsystem,differentgridsandraypathswereusedtovalidate theproposedmodel,andgoodagreementwasachievedbetweennumericalandexperimentalresults forthelaser-inducedairplasmafield.Itisindicatedthatthemodeldependslittleonthecomputational gridswhentheradiusoftheAirydiskismuchlargerthanthesizeofthegridaroundthefocuspoint, andthatthetemperatureinthebreakdownregionmustbehigherthan14000K,otherwisethelaser energycannotbedeposited.
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