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http://dx.doi.org/10.5050/KSNVE.2014.24.12.992

Analysis of the Acoustic Radiation Efficiency on Multi-excitation System with Different Phase  

Kang, Myunghwan (Agency for Defense Development)
Yi, Jongju (Agency for Defense Development)
Han, Seungjin (Agency for Defense Development)
Bae, Sooryong (Agency for Defense Development)
Jung, Woojin (Agency for Defense Development)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.24, no.12, 2014 , pp. 992-998 More about this Journal
Abstract
Acoustic radiation efficiency is one of the important factors in the prediction of underwater radiated noise of ships. A ship has much equipment to operate successful mission in a ship. Most of equipment is running simultaneously as multi-excitation and becomes the source of underwater radiated noise. In many cases of multi-excitation, phase difference between multi-excitation is not considered. Because vibration response under multi-excitation is the vector sum of each single excitation, acoustic radiation efficiency based on surface velocity field can be affected by phase of excitation. In this study, acoustic radiation efficiency of a plate on air and a stiffened cylindrical model in water under multi-excitation with phase difference is investigated.
Keywords
Radiation Efficiency; Surface Vibration Field; Acoustic Radiation Power;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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