Diffusing-wave spectroscopy study of microscopic dynamics of three-dimensional granular systems

被引：13
作者：
Kim, Kipom [2 ]
Pak, Hyuk Kyu [1 ]
机构：
[1] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea
[2] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
来源：
SOFT MATTER | 2010年 / 6卷 / 13期
基金：
新加坡国家研究基金会;
关键词：
MULTIPLE LIGHT-SCATTERING; FLUIDIZED-BED; PARTICLE DYNAMICS; SLOW RELAXATION; BROWNIAN-MOTION; MULTISPECKLE; LIQUIDS; TRANSITION; FLOW; CONVECTION;
D O I：
10.1039/b926799a
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Probing micron-scale dynamics is important in understanding the dynamic property of granular systems. Diffusing-wave spectroscopy, which makes use of multiply scattered light in a highly dense solution of small particles, has been used successfully to study various fluidized-granular systems, such as; channel flow, gas-fluidized beds, avalanche flow, and vibro-fluidized beds. This paper summarizes this method and the existing findings, which include the dynamic behaviour on a short time scale and jamming transition on a long time scale. In addition, the analogy between the jamming transition of granular systems and the glass transition of traditional liquid/solid systems is discussed.
引用
收藏
页码：2894 / 2900
页数：7
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