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Resistance and Stock Propulsion on the High Speed Sealift (HSS) Hybrid Contra-Rotating Shaft-Pod (HCRSP) Concept, Model 5653-3A
| 题名： | Resistance and Stock Propulsion on the High Speed Sealift (HSS) Hybrid Contra-Rotating Shaft-Pod (HCRSP) Concept, Model 5653-3A |
| 作者： | Cusanelli, Dominic S.##Slutsky, Jonathan |
| 关键词： | *PROPULSION SYSTEMS##*SEALIFT OPERATIONS##*RESISTANCE##COUNTERROTATION##SHAFTS(MACHINE ELEMENTS)##HULLS(MARINE)##MARINE PROPELLERS##VELOCITY |
| 摘要： | A series of model-scale resistance and propulsion experiments were conducted on a Hybrid Contra-Rotating Shaft-Pod HCRSP candidate propulsion configuration on a High Speed Sealift HSS hullform, as represented by Model 5653-3A. The HCRSP concept consists of two pairs of contra-rotating propellers, where the forward propellers are arranged on conventional shaftlines, and the aft propellers are powered by propulsion pods. At the selected forward-to-aft propeller RPM ratio of 11, design displacement, it is predicted that the HSS HCRSP will require a total delivered power, shafts and pods, of 196,111 hP 146.2 MW, at a propeller rotational speed of 110.4 RPM forward and aft propellers to attain the 39-knot design objective speed. For the 39-knot objective speed, design displacement, the HSS HCRSP exhibited 9.8 reduction in total delivered power relative to the Joint High Speed Sealift JHSS baseline shaft strut BSS, a conventional 4-screw open propeller design that shares the same parent sealift hullform. Average reduction in delivered power over the speed range, for the HSS HCRSP relative to JHSS BSS, was 14. |
| 总页数： | 118 |
| 报告类型： | 科技报告 |
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