The test and improve of noise on the whole motorcycle
ZHANG Yuanyuan;LI Shunming; Miao Xiaodong
College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016;Mechanical engineering state, Chongqing University, Chongqing 400030,China
Abstract:Based on the spectral analysis of noise signal and sound-intensity test identifying the noise source on the motorcycle, The result indicates that the exhaust noises of engine are the major reasons in whole motorcycle noise. Using the methods of experiment and FEM, the exhaust muffler’s performance of aerodynamics and acoustic are realized and analyzed, three projects of improved muffler are proposed, and validated by experiment. The past-by noise of motorcycle in improved muffler state can ultimately reduce by 1-2 dB at the most.
张袁元;李舜酩;贺岩松;缪小冬. 摩托车整车噪声分析与消声器改进[J]. , 2011, 30(2): 263-266.
ZHANG Yuanyuan;LI Shunming;Miao Xiaodong. The test and improve of noise on the whole motorcycle. , 2011, 30(2): 263-266.