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Chinese Journal of High Pressure Physics  > 1997  >  11(3): 175-181 .
YANG Xiang-Dong, WU Bao-Jian, XIE Wen, HU Dong, JING Fu-Qian. Theoretical Calculation for the Hugoniot Curves and Studies on the Effective Two-Body Potential of Helium[J]. Chinese Journal of High Pressure Physics, 1997, 11(3): 175-181 . doi: 10.11858/gywlxb.1997.03.003
Citation: YANG Xiang-Dong, WU Bao-Jian, XIE Wen, HU Dong, JING Fu-Qian. Theoretical Calculation for the Hugoniot Curves and Studies on the Effective Two-Body Potential of Helium[J]. Chinese Journal of High Pressure Physics, 1997, 11(3): 175-181 . doi: 10.11858/gywlxb.1997.03.003
shu

Theoretical Calculation for the Hugoniot Curves and Studies on the Effective Two-Body Potential of Helium

doi: 10.11858/gywlxb.1997.03.003
  • 1.

    Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, CAEP, Chengdu 610003, China;

  • 2.

    Institute of Atomic and Molecular Science under High Temperature and High Pressure, Sichuan Union University, Chengdu 610065, China

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  • Corresponding author: YANG Xiang-Dong
  • Received Date: 08 Jan 1997
  • Rev Recd Date: 24 Feb 1997
  • Publish Date: 05 Sep 1997
    Abstract
  • The variational fluid perturbation theory is used to calculate the Hugoniot curves of liquid helium using the exponential-six reference potential. An effective potential which incorporates many-body effects is given by means of comparison of the theoretical and experimental data. This potential is fairly close to the optimum potential given by Nellis et al. Our study shows that when the shock-compression properties for high-temperature and high-density fluid are calculated, interatomic many-body effects are much more important and have the effect of softening the two-body potential.

     

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