Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials

In this study, the use of acoustic absorbent materials specifically felt to mitigate tire cavity resonance noise is presented. The inclusion of a trim in the tire cavity is represented by the addition of the acoustic damping loss factor into the sound pressure response function. In addition, the pos...

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Main Author: Zamri, Mohamed
Format: Article
Language:English
Published: SAGE 2015
Subjects:
Online Access:http://umpir.ump.edu.my/id/eprint/10170/
http://umpir.ump.edu.my/id/eprint/10170/1/Tire%20Cavity%20Resonance%20Mitigation%20using%20Acoustic%20Absorbent%20Materials.pdf
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author Zamri, Mohamed
author_facet Zamri, Mohamed
author_sort Zamri, Mohamed
building UMP Institutional Repository
collection Online Access
description In this study, the use of acoustic absorbent materials specifically felt to mitigate tire cavity resonance noise is presented. The inclusion of a trim in the tire cavity is represented by the addition of the acoustic damping loss factor into the sound pressure response function. In addition, the possible solution of using multilayer trim materials to mitigate the cavity mode effect is presented using the sound absorption coefficient values from the impedance tube experiments and by adopting other empirical models. Moreover, the sound absorption coefficient calculated from the method of electrical-analogy is compared with that from the experimental data and found to be reasonable. Experimental modal analysis was performed to show the effect of inserting an absorbent material (polyfelt) onto the inside surface of the tire where reduction in both the inside cavity sound pressure level and the wheel hub acceleration was observed. A Taguchi analysis is also done to rank the effectiveness of varying trim thickness and mass density as well as adding air gap to suppress tire cavity resonance noise.
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institution Universiti Malaysia Pahang
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spelling ump-101702015-09-07T06:18:54Z http://umpir.ump.edu.my/id/eprint/10170/ Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials Zamri, Mohamed TJ Mechanical engineering and machinery In this study, the use of acoustic absorbent materials specifically felt to mitigate tire cavity resonance noise is presented. The inclusion of a trim in the tire cavity is represented by the addition of the acoustic damping loss factor into the sound pressure response function. In addition, the possible solution of using multilayer trim materials to mitigate the cavity mode effect is presented using the sound absorption coefficient values from the impedance tube experiments and by adopting other empirical models. Moreover, the sound absorption coefficient calculated from the method of electrical-analogy is compared with that from the experimental data and found to be reasonable. Experimental modal analysis was performed to show the effect of inserting an absorbent material (polyfelt) onto the inside surface of the tire where reduction in both the inside cavity sound pressure level and the wheel hub acceleration was observed. A Taguchi analysis is also done to rank the effectiveness of varying trim thickness and mass density as well as adding air gap to suppress tire cavity resonance noise. SAGE 2015 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/10170/1/Tire%20Cavity%20Resonance%20Mitigation%20using%20Acoustic%20Absorbent%20Materials.pdf Zamri, Mohamed (2015) Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials. Journal of Vibration and Control. ISSN 1077-5463 (print); 1741-2986 (online). (Published) http://jvc.sagepub.com/content/early/2015/08/06/1077546315597604.abstract doi: 10.1177/1077546315597604
spellingShingle TJ Mechanical engineering and machinery
Zamri, Mohamed
Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title_full Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title_fullStr Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title_full_unstemmed Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title_short Tire Cavity Resonance Mitigation using Acoustic Absorbent Materials
title_sort tire cavity resonance mitigation using acoustic absorbent materials
topic TJ Mechanical engineering and machinery
url http://umpir.ump.edu.my/id/eprint/10170/
http://umpir.ump.edu.my/id/eprint/10170/
http://umpir.ump.edu.my/id/eprint/10170/
http://umpir.ump.edu.my/id/eprint/10170/1/Tire%20Cavity%20Resonance%20Mitigation%20using%20Acoustic%20Absorbent%20Materials.pdf