摘要
在建立传统公共卫生间和经过改造后的卫生间模型的基础上,分别对卫生间内污染物的浓度场和速度场分布进行数值模拟,并对模拟结果进行比较和分析。传统卫生间内气流组织分布杂乱无章,经改造后的卫生间,气流组织形态基本呈单向矢流,气流直接从呼吸区到污染区再排放到室外,污染物浓度分布基本在排风口处较低区域。改变卫生间内进、排风口相对位置以及进风口形式,采用百叶风口,使卫生间内气流整体呈单向矢流,污染物扩散影响范围较其他情况明显减小。
The concentration field and velocity field distribution of pollutants in the toilet were simulated based on the establishment of the traditional toilet and the reformed toilet model, and the simulation results were compared and analyzed. The air distribution in the traditional toilet is disorderly. The air distribution in the reformed toilet is basically unidirectional vector flow. The air flow is directly discharged from the breathing area to the pollution area and then discharged to the outdoor. The pollutant concentration distribution is basically in the lower area of the exhaust outlet. By changing the relative position of air inlet and outlet and the form of air inlet in toilet, the air flow in toilet is unidirectional vector flow, and the influence range of pollutant diffusion is obviously reduced compared with other situations.
作者
林豹
彭小勇
陈丽园
吴政江
LIN Bao;PENG Xiaoyong;CHEN Liyuan;WU Zhengjiang(School of Civil Engineering,University of South China)
出处
《建筑热能通风空调》
2021年第12期86-90,共5页
Building Energy & Environment
关键词
公共卫生间
数值模拟
污染物扩散
矢流
百叶风口
public toilet
numerical simulation
pollutant diffusion
vector flow
louver outlet
