摘要
为了研究厨房内PM2.5浓度分布水平,以北京某住宅厨房为原型,利用Fluent软件对其进行模拟分析。不同的工况条件下,有不同的气流组织方式,进而影响厨房内PM2.5浓度分布。研究表明:室内细颗粒物由室内气流带动,其分布与室内气流组织密切相关;3种工况下,细颗粒物浓度分布大体相同,局部会有不同,且下送风工况下厨房人体呼吸区细颗粒物浓度最低。
In order to study the levels of PM2.5 concentration distribution inside the kitchen,the fluent software is utilized for simulation analysis with Beijing residential kitchen as the prototype.For different operating conditions have different way of air distribution,thus the PM2.5 concentration distribution is affected inside the kitchen.Research show that the PM2.5 concentration distribution is affected by the indoor temperature,because of the thermal buoyancy making a large number of indoor PM2.5 accumulate on the ceiling.PM2.5 concentration distribution is also affected by indoor air,because it usually follows airflow.The condition of underfloor air supply makes PM2.5 concentration in breathing zone of the kitchen is the lowest.
作者
袁扬
朱能
王清勤
李春龙
YUAN Yang;ZHU Neng;WANG Qing-qin;LI Chun-long(School of Architecture,Tianjin University,Tianjin 300354,China;China Academy of Building Research,Beijing 100013,China)
出处
《建筑节能》
CAS
2020年第6期97-101,共5页
BUILDING ENERGY EFFICIENCY
基金
住房城乡建设部2018年科学技术项目计划资助项目(2018-R1-015)
关键词
厨房
气流组织
细颗粒物(PM2.5)
数值模拟
kitchen
air distribution
fine particulate matter(PM2.5)
numerical simulation
