NDLI: Impact Noise From the Shaft-Bearing-Plate due to the Axial Excitation of Helical Gears

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Park, Chan Il
Copyright Year	2011
Abstract	This work dealt with impact noise of a simplified gear system due to the axial excitation of helical gears. The simplified gear system was modeled by shaft-bearing-circular plate. Mesh force of helical gears for impact excitation was obtained from the solution of nonlinear equations of motion for helical gears with backlash and the regular change of mesh stiffness. Axial component of mesh force causes the longitudinal vibration of system and leads to transverse vibration of circular plate, which is acoustically significant. For longitudinal behavior of system, equation of motion of shaft-bearing-plate system due to axial excitation of motion was derived and dynamic analysis was performed. Plate displacement obtained by dynamic analysis becomes the source of impact noise. Impact noise was modeled by sound radiation from the clamped circular plate mounted in the infinite baffle. Impact noise characteristics of shaft-bearing-circular plate were investigated by numerical examples.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	389
Ending Page	395
Page Count	7
File Format	PDF
ISBN	9780791854853
DOI	10.1115/DETC2011-47427
Volume Number	Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies
Conference Proceedings	ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2011-08-28
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Impact noise Helical gears Circular plate Noise (sound) Excitation Bearings
Content Type	Text
Resource Type	Article

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