Experimental study on the propulsion performance of a partially submerged propeller

IF 2.3 3区工程技术 Q2 ENGINEERING, MARINE

International Journal of Naval Architecture and Ocean Engineering Pub Date : 2023-01-01 DOI:10.1016/j.ijnaoe.2023.100516

Jeongsoo Ha , Jongyeol Park , Gyukpo Park , Jaehun Kim , Jaeheon Kim , Jeonghwa Seo , Shin Hyung Rhee

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引用次数: 1

Abstract

The present study concerns an open water performance of a partially submerged propeller. To investigate the free surface effects on the propulsion performance, the force and moment were measured, and the ventilation phenomena were visualized with respect to submergence ratios and advance coefficients. The thrust loss in heavy load conditions due to ventilation at the suction side of the propeller blade was observed. The extent of the ring-shaped ventilation phenomena increased as the advance coefficients decreased, resulting in thrust loss. Using the underwater camera and the fast Fourier transform results of the thrust, the ventilation phenomena were classified into five types. Also, the shaft excitation force of the propeller was analyzed. The shaft-bearing load was approximately 100% greater than the propeller weight in the ballast draft condition. A larger load was applied to the shaft due to the movement of the thrust eccentricity near the free surface.

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部分淹没螺旋桨推进性能的实验研究

本文研究了部分浸没螺旋桨在开放水域的性能。为了研究自由表面对推进性能的影响，测量了力和力矩，并将通风现象与淹没比和推进系数进行了可视化。观察了大载荷条件下螺旋桨叶片吸力侧通风引起的推力损失。环形通风现象的程度随着推进系数的减小而增大，导致推力损失。利用水下摄像机和推力的快速傅里叶变换结果，将通风现象分为五种类型。并对螺旋桨轴向激振力进行了分析。在压载吃水条件下，轴轴承载荷大约比螺旋桨重量大100%。由于推力偏心距在自由表面附近的运动，对轴施加了较大的载荷。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Naval Architecture and Ocean Engineering ENGINEERING, MARINE-

CiteScore

4.90

自引率

4.50%

发文量

审稿时长

12 months

期刊介绍： International Journal of Naval Architecture and Ocean Engineering provides a forum for engineers and scientists from a wide range of disciplines to present and discuss various phenomena in the utilization and preservation of ocean environment. Without being limited by the traditional categorization, it is encouraged to present advanced technology development and scientific research, as long as they are aimed for more and better human engagement with ocean environment. Topics include, but not limited to: marine hydrodynamics; structural mechanics; marine propulsion system; design methodology & practice; production technology; system dynamics & control; marine equipment technology; materials science; underwater acoustics; ocean remote sensing; and information technology related to ship and marine systems; ocean energy systems; marine environmental engineering; maritime safety engineering; polar & arctic engineering; coastal & port engineering; subsea engineering; and specialized watercraft engineering.