密封条隔声的实车测试方法
Measurement of Sound Insulation of Seals Seal Strips on Vehicles
李奇,俞悟周
摘要(Abstract)：
针对密封条生产企业对密封条隔声测试的要求及企业条件的限制,设计了密封条实车隔声性能测试试验室。对实车测试方法以及测点数据的分析进行了探讨。通过对车内测点声压级对比及各种密封条件的比较可看出,所得测试结果能够有效区分车内不同测点的差异及试验车不同密封条件的优劣,而且测点的选取能够与实车的动态测试相衔接,为今后与道路测试结果的比较做好了准备。
关键词(KeyWords)： 密封条;隔声;传递损失
基金项目(Foundation):
作者(Author): 李奇,俞悟周
参考文献(References)：
- 1Kloess A,Mourelatos Z P,et al.Probabilistic Analysis of an Automotive Body-Door System.International Journal of Vehi-cle Design,2004,34(2):101～125.
- 2Zoua T,Mahadevan S,Mourelatosb Z P.Reliability-Based Ev-aluation of Automotive Wind Noise Quality.Reliability Engi-gineering&SystemSafety,2003,82(2):217～224.
- 3Kenji Ono&Ryutaro Himeno&Tatsuya Fukushima.Predic-tion ofWind Noise Radiated FromPassenger Cars and Its Ev-alution Based on Auralization,Journal of Wind Engineering and Industrial Aerodynamicsm1999(81):403～419.
- 4庞剑,等.汽车噪声与振动——理论与应用.北京:北京理工大学出版社,2006.
- 5Park J,Siegmund T,Mongeau L.Sound Ttransmission Through Elastomeric Bulb Seals.Journal of Sound and Vibration,2003,259(2):299～322.
- 6Park J.Effects of Mechanical Properties of Sealing Systems on Aerodynamic Noise Generation Inside Vehicles.Purdue Univ-ersity,2002:14～73.
- 7Haddad K,Benoit V.Use of an Acoustical Imaging System for the Study of the Acoustic Transmission of Sealing System in a Moving Car.Proceedings of the2002International Conference on Noise and Vibration Engineering,ISMA,2002:2329～2336.
- 8Peng C,Morrey M D.An Investigation into the Effect of Door Seals on Noise Generated in the Passenger Compartment.Im-echE1998C521/020:335～344.
- 9吕玉恒.简便实用的半消声室设计及其性能.声学技术,1993,12(3):37～39.
- 10倪乃琛,沈保罗.噪声和电声测试技术.上海:同济大学出版社,1986.