原文传递
Study Reveals Big Consequences Resulting From Tiny Propeller Defects
| 题名： | Study Reveals Big Consequences Resulting From Tiny Propeller Defects |
| 正文语种： | eng |
| 摘要： | The slightest deviation in the machining, polishing and finishing of a vessel's propeller blades could result in underwater radiated noise and cav-itation-even if defects are within the maximum tolerance allowed by classification societies and the ISO 484-1 standard. The was the finding of a Canada Transport-funded study on the impact of manufacturing tolerances on propeller performance released February 21. The study, carried out by Memorial University of Newfoundland, DRDC Atlantic Research Centre and propeller manufacturer Dominis Engineering, found that the slightest change in propeller geometry resulted in "significant" cavitation, and much earlier than previously thought. The behavior of a section of propeller blade with leading edge defects of 94, 250 and 500 micrometers (μm, or 0.5 millimeters) were studied using Computational Fluid Dynamics at the DRDC-Atlantic Research Centre and Memorial University of Newfoundland in a three-year project that concluded last year. |
| 出版年： | 2023 |
| 期刊名称： | The Waterways Jouranl |
| 卷： | 136 |
| 期： | 48 |
| 页码： | 59-59 |
检索历史
应用推荐
