高层建筑公共卫生间氨气浓度分布数值模拟及补风优化

Numerical simulation of ammonia concentration distribution and optimization of makeup air for public lavatory of high-rise buildings

以武汉中心办公楼层的公共卫生间为例,采用Fluent软件,通过改变补风形式、送风口位置、换气次数及排风口位置等参数,模拟了不同工况下的氨气浓度。结果表明:顶部送风比卫生间门洞渗风和侧面送风效果好;在顶部送风形式下,最佳换气次数为10h^(-1);排风口底边缘应距离污染源释放面0.2m。

Taking the public lavatory in office floors of Wuhan Center as an example, simulates the ammonia concentration in the different conditions by changing the makeup air form, position of air inlet, air change rate and the position of air outlet using Huent software. The results show that the effect of top supply air is better than that of the air leak from the door and lateral air supply, the optimal air change rate is 10 times per hour when adopting top supply air, and the height of the air outlet is 0.2 m above the release surface of pollute source.