Theoretical research on shock compression properties of liquid helium at high temperature and density

YANG Jin-wen; SHI Shang-chun; LI Qiao-yan; SUN Yue

doi:10.11883/1001-1455(2007)06-0557-05

Volume 27 Issue 6

Oct. 2014

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YANG Jin-wen, SHI Shang-chun, LI Qiao-yan, SUN Yue. Theoretical research on shock compression properties of liquid helium at high temperature and density[J]. Explosion And Shock Waves, 2007, 27(6): 557-561. doi: 10.11883/1001-1455(2007)06-0557-05

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YANG Jin-wen, SHI Shang-chun, LI Qiao-yan, SUN Yue. Theoretical research on shock compression properties of liquid helium at high temperature and density[J]. Explosion And Shock Waves, 2007, 27(6): 557-561. doi: 10.11883/1001-1455(2007)06-0557-05

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Theoretical research on shock compression properties of liquid helium at high temperature and density

doi: 10.11883/1001-1455(2007)06-0557-05

1.
Laboratory for Shock Wave and Detonation Physics, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China;
2.
Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, Sichuan, China

Publish Date: 2007-11-25

Abstract

Abstract

Considering the quantum-mechanical effect at lower temperatures, the modified Weeks-Chandler-Andersen theory and improved variational perturbation principle were used to develop the single and double shock dynamic equations of state of liquid helium at the pressures ranging from 0 to 108 GPa and the temperatures ranging from 471 to 32 790 K. The appropriate exp-6 potential parameters were obtained by fitting the experimental data based on determined interactions of molecules in liquid helium. The calculated results are in good agreement with the experimental data.
- physical mechanics,
- equation of state,
- fluid variational perturbation principle,
- liquid helium,
- shock temperature,
- quantum-mechanical effect

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