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Chinese Journal of High Pressure Physics  > 2002  >  16(1): 70-74 .
MENG Chuan-Min, JIAO Rong-Zhen, SHI Shang-Chun, DONG Shi, SUN Yue, YANG Xiang-Dong, JING Fu-Qian. Theoretical Calculated Shock-Compression Properties for Liquid Helium[J]. Chinese Journal of High Pressure Physics, 2002, 16(1): 70-74 . doi: 10.11858/gywlxb.2002.01.012
Citation: MENG Chuan-Min, JIAO Rong-Zhen, SHI Shang-Chun, DONG Shi, SUN Yue, YANG Xiang-Dong, JING Fu-Qian. Theoretical Calculated Shock-Compression Properties for Liquid Helium[J]. Chinese Journal of High Pressure Physics, 2002, 16(1): 70-74 . doi: 10.11858/gywlxb.2002.01.012
shu

Theoretical Calculated Shock-Compression Properties for Liquid Helium

doi: 10.11858/gywlxb.2002.01.012
  • 1.

    Institute of High Temperature and High Pressure Physics, Sichuan University, Chengdu 610065, China;

  • 2.

    Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China

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  • Corresponding author: MENG Chuan-Min
  • Received Date: 06 Apr 2001
  • Rev Recd Date: 07 May 2001
  • Publish Date: 05 Mar 2002
    Abstract
  • For liquid helium, the modified WCA liquid perturbation theory was used to calculate Hugoniot curve using EXP-6 reference potential. The theory is generalized to include quantum effects by adding the first term of Wigner-Kirkwood expansion. The theoretical calculated pH and TH are in good agreement with experimental data up to 56 GPa where liquid helium is compressed to densities up to five times greater than the normal and heated to temperature up to 21 000 K. Parameters of EXP-6 potential are chosen as =12.7, r*=0.296 73 nm, /k=10.8 K respectively.

     

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