Measurement of the speed of sound by observation of the Mach cones in a complex plasma under microgravity conditions

被引：16

作者：

Zhukhovitskii, D. I. ^{[1
]}

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

Molotkov, V. I. ^{[1
]}

Lipaev, A. M. ^{[1
]}

Naumkin, V. N. ^{[1
]}

Thomas, H. M. ^{[2
]}

Ivlev, A. V. ^{[3
]}

Schwabe, M. ^{[4
]}

Morfill, G. E. ^{[3
]}

机构：

[1] Russian Acad Sci, Joint Inst High Temp, Moscow 125412, Russia

[2] DLR, Res Grp Complex Plasma, D-82234 Oberpfaffenhofen, Wessling, Germany

[3] Max Planck Inst Extraterr Phys, D-85748 Garching, Germany

[4] Univ Calif Berkeley, Graves Lab, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA

来源：

PHYSICS OF PLASMAS | 2015年 / 22卷 / 02期

基金：

俄罗斯科学基金会;

关键词：

DUSTY; CRYSTAL;

D O I：

10.1063/1.4907221

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

We report the first observation of the Mach cones excited by a larger microparticle (projectile) moving through a cloud of smaller microparticles (dust) in a complex plasma with neon as a buffer gas under microgravity conditions. A collective motion of the dust particles occurs as propagation of the contact discontinuity. The corresponding speed of sound was measured by a special method of the Mach cone visualization. The measurement results are incompatible with the theory of ion acoustic waves. The estimate for the pressure in a strongly coupled Coulomb system and a scaling law for the complex plasma make it possible to derive an evaluation for the speed of sound, which is in a reasonable agreement with the experiments in complex plasmas. (C) 2015 AIP Publishing LLC.

引用

页数：5

共 50 条

[21] Void closure in complex plasmas under microgravity conditions
Lipaev, A. M.
Khrapak, S. A.
Molotkov, V. I.
Morfill, G. E.
Fortov, V. E.
Ivlev, A. V.
Thomas, H. M.
Khrapak, A. G.
Naumkin, V. N.
Ivanov, A. I.
Tretschev, S. E.
Padalka, G. I.
PHYSICAL REVIEW LETTERS, 2007, 98 (26)
[22] Dust coupling parameter of radio-frequency-discharge complex plasma under microgravity conditions
Zhukhovitskii, D. I.
Naumkin, V. N.
Khusnulgatin, A. I.
Molotkov, V. I.
Lipaev, A. M.
PHYSICAL REVIEW E, 2017, 96 (04)
[23] Experimental Study of the Structures of Macroparticles in the Dust Plasma under Microgravity Conditions onboard the MirOrbital Complex
V. E. Fortov
A. P. Nefedov
O. F. Petrov
Cosmic Research, 2001, 39 : 201 - 209
[24] Plasma diagnostics for complex plasmas under microgravity and on ground
Pustylnik, Mikhail Y.
Thoma, Markus H.
Morfill, Gregor E.
Grimm, Rainer
Hock, Christian
JOURNAL OF PLASMA PHYSICS, 2012, 78 : 289 - 294
[25] Small mass measurement system for use under microgravity conditions
Maru, Koichi
Fujii, Yusaku
Shimada, Kazuhito
FRONTIER RESEARCH IN NANOSCALE SCIENCE AND TECHNOLOGY, 2009, 2 (01): : 59 - 65
[26] MEASUREMENT OF A SOUND FIELD UNDER CONDITIONS OF CAVITATION
ROSENBERG, LD
ULTRASONICS, 1968, 6 (03) : 181 - +
[27] Observation of shear-wave Mach cones in a 2D dusty-plasma crystal
Nosenko, V
Goree, J
Ma, ZW
Piel, A
PHYSICAL REVIEW LETTERS, 2002, 88 (13) : 4 - 135001
[28] Experimental study of the structures of macroparticles in the dust plasma under microgravity conditions onboard the Mir orbital complex
Fortov, VE
Nefedov, AP
Petrov, OF
COSMIC RESEARCH, 2001, 39 (02) : 201 - 209
[29] Crystal-liquid phase transitions in three-dimensional complex plasma under microgravity conditions
Naumkin, V. N.
Lipaev, A. M.
Molotkov, V. I.
Zhukhovitskii, D. I.
Usachev, A. D.
Thomas, H. M.
XXXII INTERNATIONAL CONFERENCE ON INTERACTION OF INTENSE ENERGY FLUXES WITH MATTER (ELBRUS 2017), 2018, 946
[30] On the origin of dust vortices in complex plasmas under microgravity conditions
Bockwoldt, Tim
Arp, Oliver
Menzel, Kristoffer Ole
Piel, Alexander
PHYSICS OF PLASMAS, 2014, 21 (10)

← 1 2 3 4 5 →