진공청소기 흡입유로의 공력소음 개선Reduction of Aeroacoustic Noise from Intake Head of a Vacuum Cleaner

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The aeroacoustic noise from intake head of a vacuum cleaner is caused by complicated transient pressure fluctuation and it greatly affects the overall SPL of the vacuum cleaner. In this study, we intended to decrease the overall SPL by reducing the aeroacoustic noise from intake head. In the first the place, we analyzed the aeroacoustic noise from the unsteady fluid analysis of intake head. And then, we grasped the dominant frequency band from the aeroacoustic noise by comparing the spectrum distributions between examinations and analyses. Also, we systematically investigated the aeroacoustic noise sources from each part composing the intake head. Consequently, we redesigned each part of the dominant noise sources and suggested the modified intake head, resulting in the reduction ortho overall SPL by 3.6dB(A).
Publisher
한국소음진동공학회
Issue Date
2006-11-16
Language
KOR
Citation

한국소음진동공학회 2006년 추계학술대회, pp.202 - 207

URI
http://hdl.handle.net/10203/151809
Appears in Collection
ME-Conference Papers(학술회의논문)
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