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Damping Measurement of Sound Insulating Layers on Thin Metal Sheets
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English
Abstract
A new practical test method for quantification of frequency dependent vibration damping of car bodies by sound insulating layers was developed and tested.
Flat sheet metal covered with a sound insulating layer is exposed to bending vibrations in a broad frequency range.
When exited at constant velocity, the quotient of the global vibrational energy on the sheet and that of it's exitation point gives a figure for the influence of the insulation layer on the damping of the steel sheet.
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Authors
Citation
Hoffmann, M., Kutter-Schrader, H., and Lent-Phillips, H., "Damping Measurement of Sound Insulating Layers on Thin Metal Sheets," SAE Technical Paper 931268, 1993, https://doi.org/10.4271/931268.Also In
References
- Cremer L. Heckl M. Körperschall Physikalische Grundlagen und technische Anwendungen Berlin, Heidelberg, New York Springer-Verlag 1967
- Meyer E. Guicking D. Schwingungslehre. Braunschweig Vieweg-Verlag 1974
- Schirmer W. Larmbekampfung Berlin Verlag tribune 1989