北京交通大学学报2011，Vol.35Issue(1)：128-131,135,5.
变间距弧型除水器动力学特性研究
Study on fluid-dynamics characteristics of variable-pitch sinusoidal drift eliminator
杨飞 1潘绪霞 1张杨1
作者信息
- 1. 北京交通大学机械与电子控制工程学院,北京,100044
- 折叠
摘要
Abstract
By describing the two phase flow in the cooling tower with the N-S equations set that closed through SST κ-ω and particle-track model, a mathematical model was established for simulating the separation efficiency of variable-pitch sinusoidal drift eliminator. Via calculating the separation efficiencies of various demisters with different structural parameters (plate spacing) and varying operational parameters (gas flow rate and droplet size), and analyzing their effect on efficiency and pressure drops, a general rule for separation efficiency is obtained. It is found that the separation efficiency increases with the droplet size. When the gas flow rate is lower than the threshold, the separation efficiency will increase with the gas velocity. However, when the gas flow rate is higher than the critical sleed, the separation efficiency do not change significantly. The separation efficiency of smaller distance of sinusoidal drift eliminator is higher than the larger distance.关键词
除水器/分离效率/数值模拟/冷却塔Key words
drift eliminator/ separation efficiency/ numerical calculation/ cooling tower分类
信息技术与安全科学引用本文复制引用
杨飞,潘绪霞,张杨..变间距弧型除水器动力学特性研究[J].北京交通大学学报,2011,35(1):128-131,135,5.
