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Equation of State of Helium and Polybutene and Raman Spectrum of Water at High Shock Pressures and Temperatures

Published online by Cambridge University Press:  21 February 2011

W. J. Nellis ,
N. C. Holmes ,
A. C. Mitchell ,
R. J. Trainor ,
M. B. Boslough ,
F. H. Ree  and
G. E. Walrafen
W. J. Nellis
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
N. C. Holmes
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
A. C. Mitchell
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
R. J. Trainor
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
M. B. Boslough
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
F. H. Ree
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA 94550;
G. E. Walrafen
Affiliation:
Howard University, Washington, D.C.
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Abstract

Liquid helium was shock-compressed in Hugoniot equation-of-state measurements at pressures of 1.2 and 16 GPa (12 and 160 kbar) using a two-stage light-gas gun [1]. Specimens were initially at a temperature of 4.3 K and a molar volume of 32 cm3/mole. Specimen holders were a refinement of the cryogenic targets used for liquid H2 and D2 experiments [2]. The data are in good agreement with the published theoretical prediction of Young, et al.[3] The high shock temperatures test the repulsive pair potential to an interatomic spacing approaching 1 Å, which is comparable to a solid volume at a temperature of 0 K of about 0.5 cm3/mole.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 55
Copyright
Copyright © Materials Research Society 1984

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References

REFERENCES

1. Mitchell, A. C. and Nellis, W. J., Rev. Sci. Instrum. 52, 347–359 (1981).Google Scholar
2. Nellis, W. J., Mitchell, A. C., van Thiel, M., Devine, G. J., Trainor, R. J., and Brown, N., j. Chem. Phys. 79, 1480–1486 (1983).CrossRefGoogle Scholar
3. Young, D. A., McMahan, A. K. and Ross, M., Phys. Rev. B 24, 5119–5127 (1981).Google Scholar
4. Rice, M. H. and Walsh, J. M., J. Chem. Phys. 26, 824–830 (1957);Google Scholar
4a Cowperthwaite, M. and Shaw, R., J. Chem. Phys. 53, 555–560 (1970).CrossRefGoogle Scholar
5. Ree, F. H., J. Chem. Phys. 70, 974–983 (1979).Google Scholar