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J. Ocean Eng. Technol. 2009;23(4):47-51.    

An Estimation Technique for the Thrust Performance of AUVs
Lee Chong-Moo,Choi Hyun-Taek,Moon Il-Sung,Lee Pan-Mook
Ocean Engineering Research Department KORDI,Ocean Engineering Research Department KORDI,Marine Transportation Research Department KORDI,Ocean Engineering Research Department KORDI
AUV의 추진성능 추정 기법 연구
이종무,최현택,문일성,이판묵
한국해양연구원 해양시스템연구부,한국해양연구원 해양시스템연구부,한국해양연구원 해양운송연구부,한국해양연구원 해양시스템연구부
© 2009 The Korean Society of Ocean Engineers     Open access / Under a Creative Commons License
Keywords: AUV, Thrust, Thrust performance, POW test, Max. speed
핵심용어: 자율무인잠수정, 추력, 추진성능, 추진기 단독성능 시험, 최고속도
Abstract
Thrust is one of the important performance characteristics of an AUV. At the design stage, the resistance of an AUV at its maximum speed is estimated and then the thrust system is designed, including the propeller diameter, propeller rpm, driving system, and required power. However, it is not possible to be certain that the thrust system has been correctly designed until the AUV is launched and its speed is measured. If data from a propeller open-water test is available, the thrust and torque of the propeller at a certain speed can be estimated. In addition, if the motor's torque characteristics are available, the maximum speed saturated by the induced propeller torque can be estimated. In this paper, an easy technique for estimating the maximum speed of an AUV will be shown, even in a case where additional resistance is gained from appendages not considered at the design stage. Furthermore, the thrust performance changes by adjusting the diameter of the propeller can be easily investigated.


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