Abstract：Ice-propeller collision is inevitable since broken ice can slide to a ship’s stern along its side and bottom during the ship navigating in ice area.Hydrodynamic performance of marine propeller may be affected by transient ice-propeller collision, these effects change with variation of time and space.Therefore, in hydrodynamic performance model tests of ice-propeller collision, besides collecting time history curves of propeller hydrodynamic performance, it is particularly important to achieve ice positions and spatiotemporal change information of ice-propeller collision for comprehensive analysis of ice-propeller collision influences.Here，a synchronous measurement and analysis system was set up with multiple high-speed video acquisition devices and propeller hydrodynamic performance measuring devices to realize this target.The test results showed that the application effect of high-speed video and hydrodynamic synchronous measurement in ice-propeller collision model tests is good, the signal error is less than 1 ms; the synchronous measurement results can provide a reliable basis for analyzing effects of different ice-propeller collision processes on propeller hydrodynamic performance.
武珅，宋明太，芮伟. 高速摄影和水动力同步测试在冰桨碰撞模型试验中的应用[J]. 振动与冲击, 2021, 40(17): 161-166.
WU Shen, SONG Mingtai, RUI Wei. Application of high-speed photography and hydrodynamic synchronous measurement in model tests of ice-propeller collision. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(17): 161-166.
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