厨房窗台高对厨房环境污染的影响

The Influence of Windowsill Height on the Environment Pollutants in the Residential Kitchen

研究在窗作为厨房自然补风口,不同的窗台高度下的室内污染物浓度分布状况,探求厨房的最佳开窗高度。运用CFD-fluent 6.2模拟软件在不同的窗台高度下对污染物浓度场进行模拟研究并将窗台高度为0.8 m的模拟结果与实测数据进行对比分析。窗台高度为0.6~1.0 m时厨房内污染物能得到比较好的控制,污染物浓度符合规范要求。厨房窗台高度越高越不利于污染物的排放,但是当窗台高度降低到一定程度时再降低窗台高度对厨房内污染物的排放作用不大。

To get a reasonable windowsill height, the pollutants distributions under the condition of natural ventilation and different windowsill height was investigated. The CFD-fluent 6.2 software was used to simulate concentration distribution of pollutants in different windowsill height and compared with those from the practical measure at the high of 0.8 m. Setting height for 0.6~1.0 m, it can reduce the concentration of the pollutants in the kitchen effectively. In those case, pollutants concentration conforms to the specification. The kitchen windowsill height is higher the more unfavorable to the emissions of pollutants. However, the effect of windowsill height to diffusion is not obvious when the widowsill height is at some degree.