A Study of Wheel Guards for Reduction of High Frequency Road-Noise

Paper #:
  • 2015-01-1309

Published:
  • 2015-04-14
Citation:
Kim, H., "A Study of Wheel Guards for Reduction of High Frequency Road-Noise," SAE Int. J. Passeng. Cars - Mech. Syst. 8(1):46-51, 2015, https://doi.org/10.4271/2015-01-1309.
Author(s):
Affiliated:
Pages:
6
Abstract:
This Study describes about the development of new concept' rear wheel guards for the reduction of Road Noise in the passenger vehicles. The new wheel guards are proposed by various frequency chamber concept and different textile layers concept. Two wheel guards were verified by small cabin resonance and vehicle tests. Through new developing process without vehicle test, Result of road noise will be expected if this concepts and materials of wheel guard are applied into automotive vehicle. As this concept consider tire radiation noise frequency and multilayers sound control multilayers, 2 concepts reduced road noise from 0.5 to 1.0dB. The proposed method of part reverberant absorption is similar to results of vehicle tests by part absorption index. Furthermore, optimization of frequency band in wheel guards will reduce more 0.5 dB noises. As a result of the application of Aimed Helmholtz and Multilayers concept, this paper classifies reduction of the road noise, cost and weights.
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