INFLUENCE OF NON-UNIFORM INFLOW UPON THE THREE-DIMENSIONAL GAS-SOLID CYLINDER WAKE

JI Feng; FAN Jian-ren; REN An-lu; CEN Ke-fa

doi:10.19666/j.rlfd.2007.02.003

English

您当前的位置：

首页 >

文章列表页 >

INFLUENCE OF NON-UNIFORM INFLOW UPON THE THREE-DIMENSIONAL GAS-SOLID CYLINDER WAKE

Thermal Power Generation Issue 2, Pages: 9-12(2007)

更新时间：2025-05-30

- INFLUENCE OF NON-UNIFORM INFLOW UPON THE THREE-DIMENSIONAL GAS-SOLID CYLINDER WAKE
- 作者机构：
  
  浙江大学
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.2007.02.003
  CLC： O351
- Published：2007
- 稿件说明：
移动端阅览
JI Feng, FAN Jian-ren, REN An-lu, et al. INFLUENCE OF NON-UNIFORM INFLOW UPON THE THREE-DIMENSIONAL GAS-SOLID CYLINDER WAKE[J]. Thermal Power Generation2007, (2): 9-12.
DOI：

JI Feng, FAN Jian-ren, REN An-lu, et al. INFLUENCE OF NON-UNIFORM INFLOW UPON THE THREE-DIMENSIONAL GAS-SOLID CYLINDER WAKE[J]. Thermal Power Generation2007, (2): 9-12. DOI： 10.19666/j.rlfd.2007.02.003.

摘要

对非均匀来流三维气固两相尾迹流动做了直接数值模拟。气相流场采用高精度紧致差分法的数值方法对N-S方程组进行直接求解。计算颗粒场时

选取Stokes数等于1的颗粒

并采用Lagarangian方法跟踪其运动。颗粒与壁面采用弹性碰撞方法模拟。分析了非均匀来流(Re=260)的情况下扰动对流场特性的影响以及对颗粒扩散的影响。模拟结果表明:入口处的扰动加速了三维大涡的形成以及流体的紊乱以及颗粒在流场中的扩散程度。

Abstract

A direct numerical simulation for threedimensional gas-solid two-phase wake flow of a non-uniform inflow has been carried out.For gas-phase flow field

a highly accurate and compact finite difference method is used to solve directly the N-S equations.For calculating the particles' field

Langrangian approach is used to trace the motion of particles with stocks number to be equal to 1.Particle collison with wall surface is simulated by using elastic collison method.Under condition of non-uniform inflow(Re=260)

the influence of disturbance upon flow field characteristics and upon particles' diffusion has been analysed.Results of simulation show that the disturbance at inlet accelerates the formation of big vortex

increasing disorder of the fluid

and enhancing the diffusion degree of particles in the fluid.

关键词

Keywords

references

Views

118

下载量

CSCD

Alert me when the article has been cited

提交

Publicity Resources

TECHNIQUE FOR MEASURING CONCENTRATION OF GAS-SOLID TWO-PHASE FLOW INSIDE THE PIPE BASED ON ULTRASONIC METHOD

Measurement of particle concentration of gas-solid two-phase flow in pipe based on acoustic emission

Measurement of pulverized coal mass flow with double-bend method based on BPNN

Numerical simulation of fly ash erosion on bolier tail flue channel

Research and engineering practice for the effect of fly ash distribution on wear of flue gas cooler

Related Author

CEN Ke-fa

ZHOU Hao

SHI Xi-guang

ZHANG Shiping

SHEN Guoqing

YANG Jiedong

CHEN Dong

LIU Weilong

Related Institution

Zhejiang University Zhejiang Hangzhou Shajiao A Power Plant

National Thermal Power Engineering Technology Research Center, North China Electric Power University

School of Electrical Engineering, North China University of Science and Technology

Xi'an Thermal Power Research Institute Co., Ltd

AI问答

⁰