The valve structure is optimized to meet the need, which makes it have such advantages: Smaller vortex area and faintish vortex intensity, so the vibration of vortex is controlled efectively.

• 针对水阀的特点,对大口径进水阀和排水阀进行流场计算,确定其优化设计指导思想为:控制旋涡,减小旋涡区,减小涡的强度;