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http://dx.doi.org/10.7776/ASK.2013.32.3.237

A Study on Hydrophone Array Design Optimization for Cavitation Tunnel Noise Measurements  

Park, Cheolsoo (한국해양과학기술원 선박해양플랜트연구소)
Seol, Hanshin (한국해양과학기술원 선박해양플랜트연구소)
Kim, Gundo (한국해양과학기술원 선박해양플랜트연구소)
Park, Youngha (한국해양과학기술원 선박해양플랜트연구소)
Publication Information
The Journal of the Acoustical Society of Korea / v.32, no.3, 2013 , pp. 237-246 More about this Journal
Abstract
This paper proposes a hydrophone array design optimization technique for cavitation tunnel noise measurements. The optimization technique comprises of design parameters, an objective function and an optimization algorithm. The design parameters are defined for circular, spiral and multi-spiral arrays. The objective function is defined so as to consider the mainlobe beamwidth and the maximum sidelobe level simultaneously. A global optimization scheme is applied to the array design using very fast simulated reannealing (VFSR). After applying the optimization technique to arrays respectively, the peak sidelobe level and the mainlobe beamwidth of optimum arrays are analyzed. Finally the array patterns considering multiple reflections in the cavitation tunnel are evaluated to validate the proposed method.
Keywords
Hydrophone array; Beamforming; Cavitation tunnel; Optimization; Array design;
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Times Cited By KSCI : 1  (Citation Analysis)
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