Experimental investigation of acceleration of steel plates using simultaneously two laser interferometric techniques

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• 作者：E. A. Kozlov (1)
  S. A. Brichikov (1)
  D. P. Kuchko (1)
  A. V. Ol’khovskii (1)
  M. A. Ral’nikov (1)
  O. V. Tkachev (1)
  
• 关键词：small ; sized explosive loading device ; acceleration of plates by explosion products ; Fabry ; Pérot laser interferometry ; laser ; heterodyne technique (heterodyne laser velocimetry or photon Doppler velocimetry) ; metrology
• 刊名：Combustion, Explosion, and Shock Waves
• 出版年：2014
• 出版时间：November 2014
• 年：2014
• 卷：50
• 期：6
• 页码：725-731
• 全文大小：869 KB
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• 作者单位：E. A. Kozlov (1)
  S. A. Brichikov (1)
  D. P. Kuchko (1)
  A. V. Ol’khovskii (1)
  M. A. Ral’nikov (1)
  O. V. Tkachev (1)
  
  1. Zababakhin Institute of Technical Physics, Federal Nuclear Center, Snezhinsk, 456770, Russia
  
• ISSN：1573-8345

文摘

This paper presents the results of experiments on the spalling and nonspalling acceleration of steel plates by HMX-based explosive charges of different initial thickness (with spall closure) in the presence and absence of an air gap between the explosive charge and the projectile plate. The plate acceleration dynamics was simultaneously recorded by two different independent laser interferometric techniques using lasers of different wavelengths. The experiments were carried out to perform a metrological certification of a new laser-heterodyne technique based on the data of a previously metrologically certified laser-interferometric technique based on the Fabry-Pérot scheme.