自然通风作用下室内甲醛浓度分布数值模拟分析  

Numerical Simulation and Analysis of Indoor Formaldehyde Concentration Distribution under the Action of Nature Ventilation

作　　者：骆伟[1] 刘荣华[1,2] 邱汉峰[1] 

机构地区：[1]湖南科技大学能源与安全工程学院,湘潭411201 [2]湖南省矿山通风与除尘装备工程技术研究中心,湘潭411201

出　　处：《制冷与空调（四川）》2013年第5期504-508,共5页Refrigeration and Air Conditioning

基　　金：国家自然科学基金资助(50974060)

摘　　要：在理论分析的基础上,利用CFD软件对自然通风作用下室内甲醛浓度的分布进行数值模拟。结果表明:利用自然通风可以减小室内甲醛的含量,通过比较卧室床放置在不同位置时的甲醛浓度分布和速度分布,得出了床在靠近门一侧时,最舒适并最有利于人体的健康。并模拟了这一方案时整个房间的流场,得到在x、y、z三个平面上的速度分布和甲醛浓度分布规律。This paper, on the basis of theoretical analysis, uses CFD software to simulate the distribution of indoor formaldehyde concentration under the action of nature ventilation. The results showed that nature ventilation can be used to reduce the content of formaldehyde indoor. By comparing the formaldehyde concentration distribution and the velocity distribution, I found that it is the most comfortable and healthy to our body when putting the bed near the door. Besides, this paper simulated the flow field of the whole room in this situation, and obtained the velocity distribution rules and formaldehyde concentration distribution rules in x, y, z three planes.

关 键 词：自然通风 数值模拟 甲醛浓度 速度场 

分 类 号：TU834.852[建筑科学—供热、供燃气、通风及空调工程]