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강건설계 방법을 이용한 흡기 소음의 성능향상에 대한 연구
이종규(Jongkyu Lee),박영원(Youngwon Park),채장범(Jangbum Chai),장한기(Hanki Jang) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper, study on the performance improvement of an intake orifice noise was studied using the transmission loss and the robust design method. The transmission loss was utilized to represent the performance of noise reduction for the intake system which was estimated by measuring sound power at both inlet and outlet with two microphones, respectively. The robust designing parameters of an intake system were extracted by adapting a cost function with the taguchi method, which optimized the process. Additionally, a comparative work between the proposed intake optimal design parameters at part condition and the intake orifice noise at vehicle condition is undertaken. The noise performance as well as the robustness are presented at overall<br/> level to demonstrate the effectiveness of the proposed methodology. Subsequently, a correlation equation incorporating both of the transmission loss and intake orifice noise is formulated.