Dimensional analysis and experimental study of gas penetration depth model for submerged side-blown equipment

被引：15
作者：
Ma, Ji
Zhou, Ping [1 ]
Cheng, Wei
Song, Yanpo
Shi, Pengyu
机构：
[1] Cent S Univ, Sch Energy Sci & Engn, Changsha 410083, Hunan, Peoples R China
来源：
EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2016年 / 75卷
关键词：
Dimensional analysis; Submerged side-blown equipment; Water model experiment; Gas penetration depth; SOLID FLUIDIZED-BED; JET PENETRATION; BUBBLE FORMATION; SIZE DISTRIBUTION; HORIZONTAL GAS; 2-PHASE FLOW; AIR BUBBLES; LIQUID; SIMULATION; VELOCITY;
D O I：
10.1016/j.expthermflusci.2016.01.017
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A dimensionless penetration depth equation related to modified Froude number, Reynolds number and density ratio of gas-liquid was established by dimensional analysis and Buckingham pi theorem. Based on the experimental data of side-blown penetration, extracted by MATLAB digital image processing algorithm in this scaled water model experiment, a dimensionless expression which serves as a convenient way to determine the penetration depth under different operation conditions was developed by the Least Square Estimation (LES) method. Meanwhile, detailed comparison of different empirical equations from this study and other related researches has also been sufficiently investigated. At last, the influence of each dimensionless number on the penetration depth was discussed by partial correlation analysis. (C) 2016 Elsevier Inc. All rights reserved.
引用
收藏
页码：220 / 227
页数：8
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