Modelling of transport and dispersion of arbitrary-density particles in turbulent flows

被引：5

作者：

Zaichik, Leonid I. ^{[1
]}

Alipchenkov, Vladimir M. ^{[2
]}

机构：

[1] Russian Acad Sci, Nucl Safety Inst, Moscow 115191, Russia

[2] Russian Acad Sci, Inst High Temp, Moscow 111116, Russia

来源：

INTERNATIONAL JOURNAL OF HEAT AND FLUID FLOW | 2010年 / 31卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

Turbulent flow; Statistical model; Kinetic equation; Particles; Bubbles; PROBABILITY DENSITY; SHEAR-FLOW; INHOMOGENEOUS TURBULENCE; DISCRETE PARTICLES; PHASE DISTRIBUTION; STATISTICAL-MODEL; NONUNIFORM FLOWS; KINETIC-EQUATION; HEAVY-PARTICLES; VERTICAL PIPE;

D O I：

10.1016/j.ijheatfluidflow.2010.05.014

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The objective of the paper is twofold: (i) to present a new statistical model for predicting the transport and dispersion of the particulate phase (particles and bubbles) in turbulent flows and (ii) to examine the performance of this model in channel flow emphasizing the effect of particle accumulation. The model presented is based on a kinetic equation for the probability density function (PDF) of velocity distribution and covers the entire range of the particle-to-fluid density ratio (from heavy particles in a gas to bubbles in a liquid). (c) 2010 Elsevier Inc. All rights reserved.

引用

页码：850 / 861

页数：12

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