Two-phase flow numerical simulation of a bend-type ice sluice in the diversion water channel of powerhouse

被引：2

作者：

Wang, Xiaoling ^{[1
]}

Jiang, Zhiyong ^{[2
]}

Zhang, Aili ^{[1
]}

Zhou, Zhengyin ^{[3
]}

An, Juan ^{[3
]}

机构：

[1] Tianjin Univ, State Key Lab Hydraul Engn Simulat & Safety, Tianjin 300072, Peoples R China

[2] China Water Resources Beifang Invest Design & Co, Tianjin 300222, Peoples R China

[3] Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China

来源：

COLD REGIONS SCIENCE AND TECHNOLOGY | 2012年 / 81卷

基金：

中国国家自然科学基金;

关键词：

Bend-type ice sluice; Eulerian two-phase flow; Flow field distribution; Ice volume fraction; Diversion channel of a hydropower station; SUPERCOOLING PROCESS; FRAZIL EVOLUTION;

D O I：

10.1016/j.coldregions.2012.02.004

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Ice in diversion channels can cause adverse effects that jeopardize the operational safety of diversion hydropower stations in the cold regions of northwest China. Previous studies have relied on experimental studies and one-dimensional or two-dimensional numerical simulations. In this paper, a three-dimensional Eulerian two-phase flow model is presented. The influence of the liquid-solid interaction, which includes the interphase drag force, lift force, virtual mass force, buoyancy force and the volume fraction of ice, was taken into consideration in the model. The simulated results showed that the surface flow and the frazil ice in the bend channel tended toward the concave bank. Additionally, the optimum scheme was obtained by comparing the layout pattern and structure modification. The simulated results were in good agreement with the experimental study done by Blanckaert and Graf (2001), and the intake flow was validated with an empirical value. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：36 / 47

页数：12

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