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변속기 케이스에서 발생하는 방사소음 해석 및 저감 설계
정성영(Jeong, Seong-Young),오하영(Oh, Ha-Yeong),박준홍(Park, Jun-Hong),박경진(Park, Gyung-Jin),이현아(Lee, Hyun-Ah),최중선(Choi, Joong-Sun) 한국소음진동공학회 2010 한국소음진동공학회 논문집 Vol.20 No.6
This article presents a method to calculate the sound radiation of transmission gearbox housing by using Helmholtz integral. Rayleigh integral is used to verify the method. Half-space radiation is considered because the actual gearbox housing is on hard place like concrete. For optimization, orthogonal array is used as a fractional factorial design method. Sound Radiation is calculated with simple source like plate and sphere shape, then actual gearbox BEM model is applied to the method.