In the paper,the CFD software is used to numerically simulate the flow of the mixture of water and air in toilet,and the structural shortage of toilet s siphon is also been analyzed and improved.

• 利用CFD软件对座便器内部水和空气混合物的流动情况进行数值模拟,分析了某型号座便器虹吸管的结构缺陷,并据此进行改进设计。