Numerical Analysis of the GasSolid TwoPhase Based on FLUENT

doi:10.3696/j.issn.1672-6952.2015.04.002

Journal of Liaoning Petrochemical University ›› 2015, Vol. 35 ›› Issue (4): 5-8，15.DOI: 10.3696/j.issn.1672-6952.2015.04.002

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Numerical Analysis of the GasSolid TwoPhase Based on FLUENT

Gao Dezhen1, Li Jialu1, Li Dechen2, Liu Shu1, Wang Xiaoning1

(1.School of Petrochemical Engineering，Liaoning Shihua University, Fushun Liaoning 113001, China| 2.Petrochina Fushun Petrochemical Company Refinery No.2, Fushun Liaoning 113004, China)

Published:2015-08-25 Online:2015-08-14

基于F LUENT气固两相流数值模拟与分析

高德真1,李佳璐1,李德臣2,刘姝1,王晓宁1

( 1. 辽宁石油化工大学石油化工学院, 辽宁抚顺1 1 3 0 0 1; 2. 中国石油抚顺石化公司石油二厂, 辽宁抚顺1 1 3 0 0 4)

通讯作者: 王晓宁( 1 9 7 2 - ) , 男, 博士, 副教授, 从事化工节能技术的研究; E - m a i l : w x n 3 3 3@1 6 3. c o m。
作者简介:高德真( 1 9 8 9 - ) , 男, 硕士研究生, 从事分支流气力输送过程的研究; E - m a i l : 3 9 3 9 5 0 6 7 5@q q. c o m。
基金资助:
国家自然科学基金面上项目( 2 1 2 7 6 1 2 0) 。

Abstract

Abstract: The pneumatic transmit experiments with the size of sand of 1.2 mm were carried out with compressed air as pumped in the T pipeline experimental bench. Numerical simulation analysis is carried out of the pneumatic transmit process under different condition of the transmission flow and pressure, whereas the change of pressure drop and gassolid two phase volume fraction in branch pipe was achieved. Numerical simulation results show that, pressure drop is proportional to the transmission flow and pressure in the lower part of the pipe, whereas particle volume fraction is inversely proportional to the transmission flow but proportional to transmission pressure. Gas volume fraction is proportional to flow, but it is inversely proportional to pressure. The simulation results are in good accordance with the experiment results. The study provides relevant basis for the further research of the pneumatic conveying.

Key words: Pneumatic conveying, Numerical simulation, FLUENT software, Pressure drop, Volume fraction

摘要： 以T型管道为试验平台, 利用压缩空气输送直径为1. 2mm的沙粒进行气力输送试验。在改变发送流量和发送压力的条件下, 利用F LUENT软件对气力输送过程进行数值模拟分析, 得到分支管道中压降与气固两相体积分数的变化。数值模拟结果表明, 单位长度管道内压降与发送流量和发送压力成正比; 管道底部固相颗粒体
积分数与发送流量成反比, 与发送压力成正比; 管道底部气相体积分数与发送流量成正比, 与发送压力成反比。数值模拟结果与试验结果相符, 为气力输送的进一步研究提供了相关依据。

关键词: 气力输送, 数值模拟, F LUENT软件, 压降, 体积分数

Gao Dezhen, Li Jialu, Li Dechen, Liu Shu, Wang Xiaoning. Numerical Analysis of the GasSolid TwoPhase Based on FLUENT[J]. Journal of Liaoning Petrochemical University, 2015, 35(4): 5-8，15.

高德真,李佳璐,李德臣,刘姝,王晓宁. 基于F LUENT气固两相流数值模拟与分析[J]. 辽宁石油化工大学学报, 2015, 35(4): 5-8，15.

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Numerical Analysis of the GasSolid TwoPhase Based on FLUENT

基于F LUENT气固两相流数值模拟与分析

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