Automotive engine mounts are used to protect engine from road irregularities and to isolate transmission of vibrations created by the engine which have a drastic effect on the noise generated inside the passenger cabin. Most common types of engine mounts are elastomeric and hydraulic mounts, the former having better vibration isolation characteristics whereas the latter displays better shock isolation. Elastomeric mounts are widely used for their low initial cost, while hydraulic mounts with inertia track and decoupler are chosen for their good vibration isolation and shock excitation characteristics. However, hydraulic mounts with inertia track and decoupler are not appropriate for small segment and commercial vehicles due to their high initial cost. In this paper, the effect of the addition of a dry friction damper on the performance of elastomeric automobile engine mounts is investigated. Results showed that addition of dry friction damping to the elastomeric engine mount significantly improves the transmissibility throughout a wide frequency range where the best results are obtained at the resonance frequency.
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ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis
July 12–14, 2010
Istanbul, Turkey
Conference Sponsors:
- International
ISBN:
978-0-7918-4917-0
PROCEEDINGS PAPER
Effect of Intentional Dry Friction Damping on the Performance of an Elastomeric Engine Mount Available to Purchase
Caner Boral,
Caner Boral
Middle East Technical University, Ankara, Turkey
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Ender Cig˘erog˘lu,
Ender Cig˘erog˘lu
Middle East Technical University, Ankara, Turkey
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I˙brahim Korkmaz
I˙brahim Korkmaz
TOFAS¸, Bursa, Turkey
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Caner Boral
Middle East Technical University, Ankara, Turkey
Ender Cig˘erog˘lu
Middle East Technical University, Ankara, Turkey
I˙brahim Korkmaz
TOFAS¸, Bursa, Turkey
Paper No:
ESDA2010-24276, pp. 59-66; 8 pages
Published Online:
December 28, 2010
Citation
Boral, C, Cig˘erog˘lu, E, & Korkmaz, I. "Effect of Intentional Dry Friction Damping on the Performance of an Elastomeric Engine Mount." Proceedings of the ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis. ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 3. Istanbul, Turkey. July 12–14, 2010. pp. 59-66. ASME. https://doi.org/10.1115/ESDA2010-24276
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