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Chinese Journal of High Pressure Physics  > 2007  >  21(4): 342-346 .
TANG Wen-Hui, XU Zhi-Hong, NIU Jin-Chao, SHE Jin-Hu. The Sublimation Energy versus Temperature and Pressure and Its Influence on Gasifying Blow-off Impulse[J]. Chinese Journal of High Pressure Physics, 2007, 21(4): 342-346 . doi: 10.11858/gywlxb.2007.04.002
Citation: TANG Wen-Hui, XU Zhi-Hong, NIU Jin-Chao, SHE Jin-Hu. The Sublimation Energy versus Temperature and Pressure and Its Influence on Gasifying Blow-off Impulse[J]. Chinese Journal of High Pressure Physics, 2007, 21(4): 342-346 . doi: 10.11858/gywlxb.2007.04.002
shu

The Sublimation Energy versus Temperature and Pressure and Its Influence on Gasifying Blow-off Impulse

doi: 10.11858/gywlxb.2007.04.002

  • Institute of Technical Physics, College of Science, National University of Defense Technology, Changsha 410073, China

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  • Corresponding author: TANG Wen-Hui
  • Received Date: 08 Jan 2007
  • Rev Recd Date: 27 Mar 2007
  • Publish Date: 05 Dec 2007
    Abstract
  • The dependence of the sublimation energy on temperature and pressure was studied based on universal thermodynamics. The result shows that the sublimation energy decreases linearly with the increasing temperature or pressure. The blow-off impulse of aluminum induced by pulsed X-ray was simulated by smoothed particle hydrodynamics (SPH) method, and the influence of sublimation energy on impulse was discussed. In contrast to the situation that sublimation energy is a constant, the numerical result shows that the blow-off impulse of aluminum will increase obviously if the change of sublimation energy with temperature and pressure is considered.

     

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