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http://dx.doi.org/10.5050/KSNVE.2016.26.6.705

Numerical Prediction of Marine Propeller BPF Noise Using FW-H Equation and Its Experimental Validation  

Seol, Hanshin (Korea Research Institute of Ships & Ocean Engineering)
Park, Cheolsoo (Korea Research Institute of Ships & Ocean Engineering)
Kim, Ki-Sup (Korea Research Institute of Ships & Ocean Engineering)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.26, no.6_spc, 2016 , pp. 705-713 More about this Journal
Abstract
Underwater noise produced by ships has been becoming an increasing issue. A dominantly contributing noise source is a ship propeller. Therefore, it is important to predict the propeller noise at the propeller design stages. This study applied the acoustic analogy based on Ffowcs Williams equation for the prediction of the marine propeller BPF noise. A marine propeller BPF noise is investigated experimentally as well as numerically. Propeller BPF noise measurement and propeller cavitation observation tests are performed in the KRISO medium size cavitation tunnel. Numerical prediction schemes of marine propeller BPF noise are presented together with the noise measurement method. Propeller BPF noise predictions and experiments are performed under the various propeller operating conditions including non-cavitating and caveating conditions. Numerical and experimental results are compared and analyzed. It is shown that numerical prediction results are generally in good agreement with the measured data.
Keywords
Propeller Noise; Hydroacoustics; Model Test; Cavitation;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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