全回转喷水推进装置内部流动机理研究  

On the Internal Flow Mechanism of a Azimuth Waterjet Propulsion System

作　　者：严鹏 张锐志 周加建 张岩[1,2] 陈建平 YAN Peng;ZHANG Ruizhi;ZHOU Jiajian;ZHANG Yan;CHEN Jianping(Marine Design&Research Institute of China,Shanghai 200011,China;Science and Technology on Waterjet Propulsion Laboratory,Shanghai 200011,China)

机构地区：[1]中国船舶及海洋工程设计研究院,上海200011 [2]喷水推进技术重点实验室,上海200011

出　　处：《船舶》2025年第2期122-129,共8页Ship & Boat

基　　金：喷水推进技术重点实验室基金(JCKY2024206D009)。

摘　　要：全回转喷水推进装置能够拓展船舶的航行范围,增强船舶在浅水区域等复杂环境的适应能力,提高船舶机动性,具有广泛的应用前景。该文基于数值模拟方法对全回转喷水推进装置的内部流动进行研究,通过试验验证数值模拟的准确性,并对比了不同航速对全回转喷水推进装置推力和效率的影响;采用单位体积熵生成率对各水动力部件的损失占比进行评估,并对推进装置内部流动进行详细分析;揭示了航速对全回转喷水推进装置内部流动的影响机理,为后续全回转喷水推进的装置的优化设计提供指导。Azimuth waterjet propulsion system can broaden the navigation range of the ship,enhance the adaptability of ships in the shallow water area and other complex environments,and improve the mobility of the ship,which has a wide range of application prospects.In this paper,the numerical simulation was applied to investigate internal flow of azimuth waterjet propulsion system,the accuracy of numerical simulation was validated by experiment.The thrust and efficiency at different speeds were compared,the entropy generation rate is introduced to evaluate the loss ratio of different hydraulic component,the internal flow fields of azimuth waterjet propulsion system were analyzed in detail to reveal the flow mechanism caused by the variation of speed,which will provide guidance for the optimization design of azimuth waterjet propulsion system.

关 键 词：全回转 喷水推进 航速 单位体积熵生成率 效率 

分 类 号：U664.34[交通运输工程—船舶及航道工程]