Open water test and cavitationtest of standard propeller 4119 are carried out in depressurized towing tank.
本文选用标准桨模4119，在减压拖曳水池进行了常压下的敞水重复试验及减压下的空泡性能试验。
2
For the scale effect of cavitationtest, the influence of gas nucleus on scale effect is analyzed in this paper.
针对空化试验的比尺效应，主要分析气核对空化比尺效应的影响。
3
To improve the cavitation performance of diaphragm metering pump, a comparison of cavitationtest is made between the modified diaphragm metering pump and the original measuring pump.