TEMPERATURE MEASUREMENTS AND HYDROGEN TRANSFORMATION UNDER DYNAMIC COMPRESSION UP TO 150 GPA.

被引：2

作者：

Nikolaev, D. N. ^{[1
]}

Ternovoi, V. Ya. ^{[1
]}

Pyalling, A. A. ^{[1
]}

Kvitov, S. V. ^{[1
]}

Fortov, V. E. ^{[1
]}

机构：

[1] Inst Problems Chem Phys, Extreme States Matter Dept, Chernogolovka 142432, Moscow Region, Russia

来源：

SHOCK COMPRESSION OF CONDENSED MATTER - 2011, PTS 1 AND 2 | 2012年 / 1426卷

关键词：

Hydrogen; phase diagram; equation of state; metallization;

D O I：

10.1063/1.3686429

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Lithium fluoride single crystal window was used for optical light emission registration during quasi-isentropic compression of hydrogen to the pressures 100-150 GPa. Initially gaseous hydrogen samples at 78 K temperature and different pressures in the range 3-30 MPa were investigated. Recorded brightness temperature profiles in near infrared range of wavelength were analyzed to evaluate optical and transport properties of the investigated hydrogen sample and window. Two EOS models of hydrogen, with and without metallic region were used for 1-D simulation of it's properties under dynamic compression and estimation of hydrogen temperature within compressed layer. The obtained data demonstrate abrupt change of final temperatures after heating higher then 3500K.

引用

页数：4

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