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Propeller Design for an Autonomous Underwater Vehicle by the Lifting-line Method based on OpenProp and CFD

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Abstract

A high-efficiency propeller can enable a long mission duration for autonomous underwater vehicles (AUVs). In this study, a new method with OpenProp coupled with computational fluid dynamics was developed to design a propeller for an Explorer100 AUV. The towed system simulation of the AUV was used to measure the nominal wake, and a self-propulsion simulation was used to measure the effective wake at the disc plane just in front of a propeller. Two propellers referring to the nominal wake (propeller 1) and effective wake (propeller 2) were designed with OpenProp and appended with the AUV for self-propulsion simulations, respectively. Through the numerical simulation of the AUV self-propulsion tests, the cruising velocity of AUV was obtained. The flow characteristics of the self-propulsion in pressure and velocity contours were also analyzed. The propeller designed with an effective wake improved the thrust, velocity, and efficiency by approximately 11.3%, 6.7%, and 2.5%, respectively, as compared with those with a nominal wake. The cruising velocity of the final designed propeller for the Explorer100 AUV improved by 21.8%, as compared to that of the original propeller from the AUV free-running tests.

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Acknowledgement

We are grateful to the Underwater Vehicle Center of Shenyang Institute of Automation, China, for providing data on the AUV model and its free-running tests.

Funding

The National Key Research and Development Program (Grant No. 2021YFC2801100), Key-area Research and Development Program of Guangdong Province (Grant No. 2020B1111010004), and Joint Fund of Science & Technology Department of Liaoning Province, State Key Laboratory of Robotics (Grant No. 2020-KF-12-05).

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Correspondence to Lihong Wu.

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Article Highlights

• Two propellers are designed with OpenProp based on nominal wake and effective wake respectively;

• The propeller designed with effective wake improves thrust, velocity and efficiency about 11.3%, 6.7% and 2.5% respectively, comparing with that based on nominal wake;

• The cruising velocity of the final designed propeller for the Explorer 100 AUV has improved by 21.8%, compared to that of the original propeller.

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Zhang, W., Wu, L., Jiang, X. et al. Propeller Design for an Autonomous Underwater Vehicle by the Lifting-line Method based on OpenProp and CFD. J. Marine. Sci. Appl. 21, 106–114 (2022). https://doi.org/10.1007/s11804-022-00275-w

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  • DOI: https://doi.org/10.1007/s11804-022-00275-w

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