摘要
以verhoff经验公式为基础[1],建立竖壁贴附射流送风的数值计算模型,对于不同工况进行模拟计算,然后将模拟计算结果的速度场与verhoff经验公式进行对比分析。通过研究表明,当顶棚送风口距侧墙的垂直距离比较小时,竖壁贴附送风可以依靠侧墙的贴附效应在房间下部产生空气池现象,形成和置换通风类似的气流组织。
The essay explored to establish numerical computing model attached to the vertical wall jets sending wind based on verhoff experimental equation, stimulafingly calculating on various construction and executed comparison and analysis on the simulated outcome＇ s speed field. The research revealed that when the ceiling wind releasing outlet showed a rela- five minimum/perpendicular distance to the sidewall, the attached wind create atmosphere pool phenomenon depending on the sidewall＇s effect to form air-stream tissues similar to metathesis ventilation.
基金
国家自然科学基金资助项目:多元通风模式分析及设计原理研究(50278075)
关键词
竖壁贴附射流
置换通风
数值模拟
贴附效应
Vertical Wall Jets
Metathesis Ventilation
Numerical Stimulation
Attaching Effect
