Experimental evaluation on vehicle aerodynamic noise performance

Wang, Yi Gang; Huang, Xiao; Liu, Yang; Shen, Zhifu; He, Yin Zhi

doi:10.1504/ijvp.2018.090940

Cited by 1 publication

(3 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The sound pressure level characteristics are observed in the frequency ranges of 500-2000 Hz, 500-4000 Hz, and 0-4000 Hz. Moreover, the evaluation of aerodynamic noise in reference [14] primarily focused on the rearview mirror wake region. In summary, monitoring point 5 and monitoring point 14, both located at the center, are selected as the evaluation indexes for aerodynamic noise in the subsequent collaborative optimization.…”

Section: Aerodynamic Noise Analysismentioning

confidence: 99%

“…trates the distribution of aerodynamic noise sound pressure levels at monitorin 1~9 in the rearview mirror wake stream area, while (b) demonstrates the aerod noise sound pressure level distribution at monitoring points 10~18 in the wheel a sound pressure level characteristics are observed in the frequency ranges of 500-2 500-4000 Hz, and 0-4000 Hz. Moreover, the evaluation of aerodynamic noise in re [14] primarily focused on the rearview mirror wake region. In summary, monitorin 5 and monitoring point 14, both located at the center, are selected as the evaluation for aerodynamic noise in the subsequent collaborative optimization.…”

Section: Aerodynamic Noise Analysismentioning

confidence: 99%

“…Their findings underscored the front wheels' substantial contribution to noise generation. Wang et al [14] employed phase microphone arrays, acoustic surface microphones, and an artificial head in conjunction with tape sealing to conduct sound pressure level tests on a passenger car's aerodynamic noise performance. They analyzed wind noise sources, exterior surface noise levels, and the effect of sealing on interior noise levels to identify the main noise sources.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Numerical Study on Aerodynamic Noise Reduction in Passenger Car with Fender Shape Optimization

Jiao,

Zhou,

Huang

et al. 2024

Symmetry

View full text Add to dashboard Cite

Despite the rapid development of vehicle intelligent technology, the aerodynamic noise problem of internal combustion engine vehicles and pure electric vehicles at high speed has always been a growing problem. In this study, the effects of the car body fender shape on the aerodynamic noises of the rearview mirror and wheel region were investigated, and a noise reduction method was also proposed by optimizing the fender shape. To realize the parametric modeling of the fender, five positional variables were selected to define the fender configuration; the free-form deformation (FFD) method was used to establish the response fender model according the DOE schemes, and computational fluid dynamics (CFD) simulations are used to obtain the noise results. Then, with the help of the radial basis function (RBF) model and the adaptive simulated annealing (ASA) algorithm, the aerodynamic shape of the fender was optimized to reduce aerodynamic noise. Comparative analysis was then employed to assess flow field characteristics of the optimized model against the original model and elucidate the fender configuration’s contribution to aerodynamic noise reduction and its realization mechanism.

show abstract

Section: Aerodynamic Noise Analysismentioning

confidence: 99%

Section: Aerodynamic Noise Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation