Determination of liquid-vapour phase boundaries by a dynamic experimental method

被引：12

作者：

Ternovoi, VY ^{[1
]}

Filimonov, AS ^{[1
]}

Kvitov, SV ^{[1
]}

Pyalling, AA ^{[1
]}

Nikolaev, DN ^{[1
]}

Gordon, YE ^{[1
]}

Fortov, VE ^{[1
]}

机构：

[1] Inst Problems Chem Phys, Chernogolovka 142432, Russia

来源：

HIGH TEMPERATURES-HIGH PRESSURES | 2002年 / 34卷 / 01期

关键词：

D O I：

10.1068/htwu586

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Shock compression and the following expansion into helium were used to generate the boiling of porous nickel. The brightness temperature and velocity of expansion were measured by a fast multichannel optical pyrometer. Gas dynamic peculiarities of expansion in the final pressure range below 0.4 GPa were studied. It has been proved that a shock rarefaction wave is formed under expansion when final states of the sample are inside the two-phase region. The fast heating of tungsten by multiple shocked helium in the process of acceleration of tungsten foil at dynamically formed isobaric conditions is proposed as a new way for generating near-critical-point states of liquid-vapour phase transition. Additionally, an estimation of the critical point data of tungsten is made.

引用

页码：73 / 79

页数：7

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