@article {Liang:2008:0736-2501:478,
title = "Screw-damper cover on a motorcycle primary-chain cover",
journal = "Noise Control Engineering Journal",
parent_itemid = "infobike://ince/ncej",
publishercode ="ince",
year = "2008",
volume = "56",
number = "6",
publication date ="2008-11-01T00:00:00",
pages = "478-483",
itemtype = "ARTICLE",
issn = "0736-2501",
url = "https://ince.publisher.ingentaconnect.com/content/ince/ncej/2008/00000056/00000006/art00008",
doi = "doi:10.3397/1.2987732",
keyword = "13.2.2, 47.3",
author = "Liang, Paul N.",
abstract = "A simple low-cost vibration damper (a loose extension nut) was designed to dampen out the covers breathing mode. Historically, a large cover was the dominant mechanical noise radiator in the powertrain. This vibration damper has proven effective in reducing the covers
breathing mode of vibration, thus reducing the noise radiated by the cover. In a noise pass-by test, the damper showed a measurable noise reduction. An FEM analysis was used to identify the anti-node at the covers breathing mode. A proposed analytical model (Lanchester damper) was used
to understand the damping mechanisms.",
}