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Research on High-Fidelity Hydrodynamic Performance Optimization Method for Submerged Water Jet Propulsor

  • Jiayi Li
  • , Dongyang Chen
  • , Xue Rui
  • , Lei Ma
  • , Ya Zhang
  • , Guang Pan
  • Northwestern Polytechnical University Xian
  • Shanghai Powermaster Marine Technology Co. Ltd.
  • Nanjing University of Science and Technology

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

Driven by the global demand for carbon reduction and ecological environmental protection, submerged water jet propulsion technology has become an important direction for marine power innovation due to its advantages of low noise and high-speed efficiency. This study conducts multi-objective optimization on the preliminary design model of a new-type submerged water jet propulsor using the Central Composite Design (CCD) and response surface methodology, and establishes a high-precision CFD (Computational Fluid Dynamics) numerical model to evaluate its hydrodynamic performance. Verified by cavitation tunnel tests, the optimized propulsor maintains an open-water efficiency of over 65% in the speed range of 25 kn–40 kn, with an efficiency of approximately 75% under the 35 kn operating condition. The research results confirm the excellent performance of this propulsor in complex flow fields, providing theoretical support and a practical paradigm for the design of green marine propulsion systems.

源语言英语
主期刊名Proceedings of the 3rd International Conference on Mechanical System Dynamics, ICMSD 2025
编辑Xiaoting Rui, Gilbert-Rainer Gillich
出版商Springer Science and Business Media Deutschland GmbH
265-273
页数9
ISBN(印刷版)9789819571123
DOI
出版状态已出版 - 2026
活动3rd International Conference on Mechanical System Dynamics, ICMSD 2025 - Cluj-Napoca, 罗马尼亚
期限: 23 9月 202527 9月 2025

出版系列

姓名Lecture Notes in Mechanical Engineering
42
ISSN(印刷版)2195-4356
ISSN(电子版)2195-4364

会议

会议3rd International Conference on Mechanical System Dynamics, ICMSD 2025
国家/地区罗马尼亚
Cluj-Napoca
时期23/09/2527/09/25

联合国可持续发展目标

此成果有助于实现下列可持续发展目标:

  1. 可持续发展目标 14 - 水下生物
    可持续发展目标 14 水下生物

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