佳木斯大学学报(自然科学版)
佳木斯大學學報(自然科學版)
가목사대학학보(자연과학판)
JOURNAL OF JIAMUSI UNIVERSITY (NATURAL SCIENCE EDITION)
2015年
1期
59-63
,共5页
传递路径分析%车内噪声%激励%传递函数%试验
傳遞路徑分析%車內譟聲%激勵%傳遞函數%試驗
전체로경분석%차내조성%격려%전체함수%시험
transfer path analysis%interior noise%excitation%transfer function%test method
针对某商用车在怠速工况车内噪声进行分析,建立该工况下该车空气传递噪声和结构传递噪声的传递路径模型,阐述该分析模型的试验方法,基于传递路径分析方法对模型中各路径的声压贡献量进行合成,验证该模型的可靠性。分析关键的贡献路径,根据分析结果制定优化方案并验证优化结果。
針對某商用車在怠速工況車內譟聲進行分析,建立該工況下該車空氣傳遞譟聲和結構傳遞譟聲的傳遞路徑模型,闡述該分析模型的試驗方法,基于傳遞路徑分析方法對模型中各路徑的聲壓貢獻量進行閤成,驗證該模型的可靠性。分析關鍵的貢獻路徑,根據分析結果製定優化方案併驗證優化結果。
침대모상용차재태속공황차내조성진행분석,건립해공황하해차공기전체조성화결구전체조성적전체로경모형,천술해분석모형적시험방법,기우전체로경분석방법대모형중각로경적성압공헌량진행합성,험증해모형적가고성。분석관건적공헌로경,근거분석결과제정우화방안병험증우화결과。
This paper conducted analysis for the interior noise of a mini -car in idle condition , estab-lished transfer path model of air and structure transmission of sound , and elaborated test method for the model a-nalysis .Based on the model analysis software , the contribution of sound pressure of each path was synthesized to verify the reliability of the model .After verification of the model , analysis of critical path contribution provides reliable basis for the optimization solutions of interior noise in the car .