Experimental and numerical investigation of the shock-induced fluidization of a particles bed

被引：91

作者：

Rogue, X ^{[1
]}

Rodriguez, G ^{[1
]}

Haas, JF ^{[1
]}

Saurel, R ^{[1
]}

机构：

[1] Univ Aix Marseille 1, URA CNRS 1168, Equipe Ecoulements Diphas & React, IUSTI,SETT, F-13453 Marseille 13, France

来源：

SHOCK WAVES | 1998年 / 8卷 / 01期

关键词：

particle gas mixture; shock interaction; numerical simulation;

D O I：

10.1007/s001930050096

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

An experimental study on unsteady two phase flow is conducted in a vertical shock tube. Shock Mach numbers range from 1.3 to 1.5 in 1 bar. The particles are initially positioned in horizontal beds of various thicknesses. Our research covers a large domain of void fraction from 1 (single particles) to 0.35 (compact beds). The experiments provide shadowgraph images for the recording of particle trajectories (effect of the gas on the particles) and side-walt pressures (action of the particles on the gas). A dense two phase flow model has been elaborated and numerically solved using a finite difference scheme with pseudoviscosity. The simulated shock-induced fluidization of a 2 cm thick bed of 1.5 mm diameter glass particles is compared to the experiment.

引用

页码：29 / 45

页数：17

共 17 条

[1]

Anilkumar A.V., 1989, THESIS CALTECH PASAD

[2]

BRITAN A, 1995, APS TOP C SHOCK COMP

[3] MODELING OF SHOCK DEVELOPMENT AND TRANSITION TO DETONATION INITIATED BY BURNING IN POROUS PROPELLANT BEDS [J].