高速排水型水面船舶泵喷推进技术发展现状

Development Status of Pump-Jet Propulsor Technology for High-Speed Displacement Vessels

水面船舶泵喷推进器是一种适用于大中型高速排水型船舶的泵类新型推进器,具有高效、高功率密度、低振动、低噪声等性能优势。该文首先介绍了高速排水型水面船舶泵喷推进的结构形式与工作原理,以及与尾板式喷水推进等其他推进方式的差异,然后依序介绍了支架型、舱体集成型与线性抽吸型3类不同技术方式的水面船舶泵喷推进器在国内外的发展与应用现状。文中归纳总结了水面船舶泵喷推进技术的国内外整体发展趋势,该工作致力于梳理我国在该技术领域的现有发展成果与技术不足,为该类新型泵类推进技术今后重点研究方向的确定提供参考。

The surface ship pump-jet propulsor is a new kind of pump-type marine thruster suitable for large and medium high-speed displacement vessels,with performance advantages of high efficiency,high power density,low vibration and low noise.This article firstly introduces the structure and working principle of the pump-jet propulsor for high-speed displacement vessels,as well as its differences from other propulsion methods such as waterjet propulsion with astern deflector.Then,it sequentially presents the domestic and international development and application of the pump-jet propulsor with three different technical methods of bracket type,integrated podded type and linear suction type.The overall development of the surface ship pump-jet propulsion technology at home and abroad are reviewed to summarize the existing achievements and technology disadvantages.It can provide references for the determination of the key research directions of this new kind of pump-jet propulsion technology in the future.