Ship propeller noise can be predicted by non-dimensional analysis of ship model propeller noise.
2
近几年来，上海交通大学船模试验池对简易导管螺旋桨进行了多种方案的系列试验研究。
In recent years, several types of the ducted propellers with simplified duct profile have been systematically tested by the Shanghai Jiao Tong University ship model basin.
3
机械式螺旋桨动力仪已不能满足船模试验自动化测量要求。
The mechanical type propeller dynamometer is unable to satisfy the requirements of the automatic measurement for the ship model tests.
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