Compared with flat-bottomed aerator, the impact angle of the aerator with a downstream baffler was smaller and it has better aerated effects than the one without downstream bafflers.

• 结果表明，相比于常规平底掺气设施，平底下游加设贴坎掺气设施射流冲击角较小，能有效地抑制空腔回水，有稳定的掺气空腔，且通气量等掺气特性指标都有明显改善。