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http://dx.doi.org/10.5574/KSOE.2015.29.6.436

Study on Coning Motion Test for Submerged Body  

Park, Jong-Yong (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Kim, Nakwan (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Rhee, Key-Pyo (Department of Naval Architecture and Ocean Engineering, Seoul National University)
Yoon, Hyeon Kyu (Department of Naval Architecture and Marine Engineering, Changwon National University)
Kim, Chanki (Agency for Defense Development)
Jung, Chulmin (Agency for Defense Development)
Ahn, Kyoungsoo (Hyundai Heavy Industries Co., Ltd.)
Lee, Sungkyun (Hyundai Heavy Industries Co., Ltd.)
Publication Information
Journal of Ocean Engineering and Technology / v.29, no.6, 2015 , pp. 436-444 More about this Journal
Abstract
A submerged body is sensitive to changes in the roll moment because of the small restoring moment and moment of inertia. Thus, a method for predicting the roll-related hydrodynamic coefficients is important. This paper describes a deduction method for the hydrodynamic coefficients based on the results of a coning motion test. A resistance test, static drift test, and coning motion test were performed to obtain the coefficients in the towing tank of Seoul National University. The sum of the hydrodynamic force, inertial force, gravity, and buoyancy was measured in the coning motion test. The hydrodynamic force was deduced by subtracting the inertial force, gravity, and buoyancy from the measured force. The hydrodynamic coefficients were deduced using the regression method.
Keywords
Submerged body; Coning motion test; Hydrodynamic coefficient; 6-DOF equation of motion; Regression analysis;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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