摘要
室内良好的气流组织形式能有效降低室内污染物浓度,从而提高室内环境的舒适度。以某办公室为研究对象,建立上送上回、上送下回、侧送侧回3种不同气流组织的物理模型,用CFD软件进行了模拟研究,分析了不同气流组织下空调房间污染物PM_(2.5)浓度的分布规律。研究表明:上送上回送风模型中房间里聚集了大量的颗粒物,较少的颗粒物向回风口处扩散;上送下回模型中颗粒物均向地面回风口运动,对人体危害较小;侧送侧回是3种送风模型中空气流动状态最稳定的,但房间里仍残留部分污染物。
Good indoor air distribution can effectively reduce the concentration of indoor pollutants,thus improving the comfort of indoor environment.This paper takes an office as the research object,through establishing physical models of three different air flow patterns,namely,up supply and down return,side supply and side return,and using CFD software to carry out simulation research,analyzes the concentration distribution of PM_(2.5) in air-conditioned rooms under different air flow patterns.The research shows that a large number of particles are gathered in the room in the up-supply and up-return air supply model,and less particles diffuse to the return air inlet;the particles in the up-and-down return model move towards the ground return air inlet,which is less harmful to human body;side supply and side return are the most stable of the three air supply models,but some pollutants remain in the room.
作者
王虹
段焕林
陈爱东
WANG Hong;DUAN Huanlin;CHEN Aidong(College of Civil Engineering,Henan University of Engineering,Zhengzhou 451191,China)
出处
《河南工程学院学报（自然科学版）》
2023年第3期32-36,共5页
Journal of Henan University of Engineering：Natural Science Edition
基金
河南工程学院科研培育基金项目(PYXM202018)。
