高水头船闸输水阀门非恒定流减压试验方法探讨

New technique on depression model test with unsteady flow for high lift lock valve

对船闸输水阀门非恒定流减压试验方法及其成果进行了初步评估。阐述了船闸输水阀门非恒定流减压试验方法提出的缘由。简要地介绍了国内外首座船闸专用非恒定流减压试验设备。总结了非恒定流减压试验的特点，并对恒定流与非恒定流两种减压试验方法的差异进行了初步分析和比较。

The new technique on depression model test under unsteady flow for lock valves is clarified in this paper, which includes purpose of raising the technique, necessary technical equipment and instruments for unsteady flow tests, characteristics on this technique,comparison on the results by traditional step modeling and unsteady flow modelling under partial vacuity. Due to the obvious difference between steady and unsteady depression model test, new test technique must be used in high lift lock valve cavitation research.