Shock wave propagation in gases under subatmospheric pressure

被引：2

作者：

Gakheladze, LR ^{[1
]}

Gelashvili, GV ^{[1
]}

Mdivnishvili, MO ^{[1
]}

Nanobashvili, IS ^{[1
]}

Nanobashvili, SI ^{[1
]}

Rostomashvili, GI ^{[1
]}

机构：

[1] Georgian Acad Sci, Inst Phys, GE-380077 Tbilisi, Georgia

来源：

CZECHOSLOVAK JOURNAL OF PHYSICS | 1999年 / 49卷 / 06期

关键词：

D O I：

10.1023/A:1021437305120

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the present paper the results of the experiments on the shock wave dynamics under subatmospheric pressure in neutral gases are presented. The characteristics of spherical and plane configuration shock wave excitation and propagation are studied in the pressure region 1 torr< p < 760 torr. It is shown that when p = 3 torr it is still possible to fix successfully the shock wave appearance and propagation in various neutral gases. The pressure dependence of the shock wave propagation velocity and amplitude is determined experimentally. It is shown that when the pressure decreases the shock wave amplitude decreases and an increase of the Mach number takes place, in the case of plane shock wave the Mach number reaches the value M = 5.2 under the pressure p = 3 torr.

引用

页码：993 / 997

页数：5

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