Inderscience Publishers

Inderscience Publishers

Reduction of roof rack noise and vibration

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Courtesy of Inderscience Publishers

The noise and vibration design of automotive add-on component roof rack was investigated. Different modification options were evaluated which include mounting location alteration, mounting damping change and material revision. Results from experimental modal analysis and sound pressure spectrum measurement in a wind tunnel indicate the direction of design modification for reduction of the roof rack noise and vibration. The modal analysis and physical tests of wind tunnel proved to be good tools for evaluating and ranking roof rack noise and vibration performance.

Keywords: vehicle roof racks, roof rack noise, roof rack vibration, vortex shedding, experimental modal analysis, sound pressure spectrum, wind tunnel tests, design modification, mounting location alteration, material revision, automotive roof racks, automobile industry, mounting damping

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