能源研究与管理2026，Vol.18Issue(3)：138-148,11.DOI:10.16056/j.2096-7705.2026.03.016
排烟冷却塔雨区气溶胶生成与扩散特性分析
Analysis of Aerosol Generation and Dispersion Characteristics in the Rain Zone of Smoke Exhaust Cooling Towers
摘要
Abstract
To analyze the generation and diffusion mechanisms of aerosols in the rainfall area of smoke exhaust cooling towers under different crosswind conditions,a computational fluid dynamics(CFD)method was used to establish an impact fragmentation model of aerosols in the rainfall area of the cooling towers to study production patterns,while diffusion mechanisms were investigated based on vortices formed by ambient wind disturbances.The results indicate that,different wind speeds exert varying effects on the particle size distribution of aerosols.At a wind speed of around 6 m/s,the proportions of aerosols with different particle sizes show little difference,and the total generation amount is the lowest compared to other wind speed conditions.Before reaching a wind speed of 6 m/s,the generated aerosols are mostly of larger particle sizes,and their proportion is much higher than that generated after the wind speed reaches 6 m/s.An increase in wind speed promotes the formation and development of longitudinal vortex pairs.The longer the vortex pairs persist,the lower the uplift of aerosol particles.At higher wind speeds,the diffusion range of aerosol particles is narrower,and the maximum uplift height of aerosols decreases by 56.57％.The impact fragmentation model can reasonably predict the aerosol generation process centered around spray droplets and provides theoretical support for taking effective suppression measures.关键词
排烟冷却塔/气溶胶/纵向涡旋对/抬升扩散Key words
smoke exhaust cooling tower/aerosol/longitudinal vortex pair/lift diffusion分类
资源环境引用本文复制引用
宋兰州,张樱珞,董全有,葛桦,李雨聪..排烟冷却塔雨区气溶胶生成与扩散特性分析[J].能源研究与管理,2026,18(3):138-148,11.基金项目
辽宁省教育厅基本科研项目"火力发电厂灵活调峰背景下低负荷运行经济性研究"(LJ212412900005) （LJ212412900005）
