Abstract
Cylindrical Nearfield Acoustical Holography (NAH) based on a multi-scan, cross-spectral measurement was used to visualize the sound field of a ducted fan, and the ability of this procedure to quantify source modification effects is illustrated here.
Keywords
Nearfield Acoustical Holography, Cylindrical, Fan Noise, Visualization, Axial Fan
Subject
Acoustics and Noise Control
Date of this Version
9-2003
Embargo Period
8-25-2020
COinS
Comments
Moohyung Lee, J. Stuart Bolton and Luc Mongeau, “Holographic visualization of noise emissions from a small ducted fan,” Proceedings of FAN NOISE 2003, eight pages, Senlis, France, September 2003