Experiments on Quasi-Isentropic Compression of Deuterium and Helium to Extreme Pressures of ≈3000 GPa

被引：0

作者：

M. V. Zhernokletov

V. A. Raevskii

S. F. Manachkin

N. B. Davydov

K. N. Panov

A. V. Ryzhkov

V. A. Arinin

B. I. Tkachenko

A. I. Logvinov

V. A. Komrakov

A. I. Davydov

N. N. Anashkin

机构：

[1] Russian Federal Nuclear Center,Institute of Physics of Explosion, Institute of Experimental Physics (VNIIEF)

[2] Russian Federal Nuclear Center,Institute of Theoretical and Mathematical Physics, Institute of Experimental Physics (VNIIEF)

[3] National Research Nuclear University “MEPhI,Sarov Physical

[4] ”,Technical Institute

来源：

Combustion, Explosion, and Shock Waves | 2018年 / 54卷

关键词：

deuterium; helium; quasi-isentropic compression; equation of state;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Experiments were performed to study the spherical compression of deuterium and helium to pressures of ≈3000 GPa in a quasi-isentropic regime. The process was recorded by a multiframe radiographic system which produces up to nine x-ray images of a cavity with gas at different times in one experiment. X-ray images show that explosive devices provide a nearly spherically symmetric shape of the cavity with gas up to the maximum compression of the gas. The experimental data are in good agreement with the results of calculations using the equations of state of the gases studied. From the results of these calculations, the parameters of the region of the compressed gas states obtained in the experiments were determined: for deuterium, a density of 5.5 g/cm3 and a pressure of 3.6 TPa; for helium, a density of 4.7 g/cm3 and a pressure of 2.4 TPa.

引用

页码：522 / 526

页数：4

共 50 条

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