Search Results - "Seol, Hanshin"
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1
Numerical Investigation of Tip Vortex Cavitation Inception and Noise of Underwater Propellers of Submarine Using Sequential Eulerian–Lagrangian Approaches
Published in Applied sciences (01-12-2020)“…In this study, the high-fidelity numerical methods are developed to investigate the tip vortex cavitation (TVC) inception and noise of underwater propellers,…”
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2
Numerical Study on Tip Vortex Cavitation Inception on a Foil
Published in Applied sciences (01-08-2021)“…In this paper, the inception of tip vortex cavitation in weak water has been predicted using a numerical simulation, and a new scaling concept with variable…”
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3
Numerical Investigation of Tip-Vortex Cavitation Noise of an Elliptic Wing Using Coupled Eulerian-Lagrangian Approaches
Published in Applied sciences (01-09-2020)“…In this study, a numerical methodology is developed to investigate the tip-vortex cavitation of NACA16-020 wings and their flow noise. The numerical method…”
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4
Estimation of the Noise Source Level of a Commercial Ship Using On-Board Pressure Sensors
Published in Applied sciences (01-02-2021)“…The dominant underwater noise source of a ship is known to be propeller cavitation. Recently, attempts have been made to quantify the source strength using…”
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Parametric Study of the Hydrodynamic Characteristics of the Pumpjet Propulsor for the SUBOFF Submarine
Published in Journal of marine science and engineering (01-10-2023)“…Submarines with pumpjet propulsors have recently been used in many countries to improve their propulsion and noise performance. The pumpjet has the advantage…”
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Development of Efficient and Accurate Parallel Computation Algorithm Using Moving Overset Grids on Background Multi-Domains for Complex Two-Phase Flows
Published in Applied sciences (01-10-2018)“…The goal of this study involves developing an efficient and accurate parallel computation method for two-phase flow problems including complex moving foreign…”
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Time domain method for the prediction of pressure fluctuation induced by propeller sheet cavitation: Numerical simulations and experimental validation
Published in Ocean engineering (01-11-2013)“…This paper addresses the pressure fluctuation induced by a propeller sheet cavitation. This study applies the acoustic theory proposed by Ffowcs Williams and…”
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Numerical investigation of tip-vortex cavitation noise of submarine propellers using hybrid computational hydro-acoustic approach
Published in Ocean engineering (15-10-2021)“…In this study, the hybrid computational hydro-acoustics (CHA) method is applied to predict hydrodynamic noise due to tip vortex cavitation (TVC) of underwater…”
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Effect of skew on the tonal noise characteristics of a full-scale submarine propeller
Published in Ocean engineering (15-05-2023)“…Recently, interest in underwater propeller noise has been increasing, especially submarine propeller noise which is directly related to the survivability. The…”
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10
Experimental study on the frequency characteristics of cloud cavitation on a full-spade rudder of a ship
Published in Ocean engineering (01-06-2022)“…The frequency characteristics of cloud cavitation on a full-spade rudder are investigated using a cavitation image processing technique and cavitation noise…”
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Noise measurements of a cavitating propeller in different facilities: Results of the round robin test programme
Published in Ocean engineering (01-10-2020)“…Mitigation of shipping noise is a topical issue in marine engineering because of the dramatic increase in the levels of anthropogenic underwater noise and its…”
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12
Numerical prediction of tip vortex cavitation behavior and noise considering nuclei size and distribution
Published in Applied acoustics (01-05-2009)“…The tip vortex cavitation behavior and sound generation were numerically analyzed. A numerical scheme combining Eulerian flow field computation and Lagrangian…”
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13
Development of hybrid method for the prediction of underwater propeller noise
Published in Journal of sound and vibration (01-11-2005)“…Noise reduction and control is an important problem in the performance of underwater acoustic systems and in the habitability of the passenger ship for crew…”
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14
A study on propeller noise source localization in a cavitation tunnel
Published in Ocean engineering (01-07-2009)“…Localizing noise sources in cavitation experiments is an important research subject along with predicting noise levels. A cavitation tunnel propeller noise…”
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15
Numerical Study of Non-Cavitating Underwater Propeller Noise
Published in Noise & vibration worldwide (01-06-2004)“…Non-cavitating noise of underwater propeller is numerically investigated. The main purpose is to analyze non-cavitating noise in various operating conditions…”
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