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RESEARCH PAPERS: Aerodynamic Noise

Aerodynamic Far Field Noise in Idling Circular Sawblades

[+] Author and Article Information
C. D. Mote

Department of Mechanical Engineering, University of California, Berkeley, California 94720

Wen Hua Zhu

Department of Mechanics, Zhejiang University, Hangzhou, People’s Republic of China

J. Vib., Acoust., Stress, and Reliab 106(3), 441-446 (Jul 01, 1984) (6 pages) doi:10.1115/1.3269215 History: Received June 10, 1983; Online November 23, 2009

Abstract

The acoustic pressure radiated to the far field from dipole sources at the rim of a rotating circular sawblade is investigated theoretically and experimentally. Scattering from the sawblade surfaces and the presence of dipole source components in both the normal and radial coordinate directions explain the observed directivity and the dependence of the sound pressure upon sawblade rim velocity.

Copyright © 1984 by ASME
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