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Implementation of active noise control in a multi-modal spray dryer exhaust stack

✍ Scribed by X. Li; X. Qiu; D.L.L. Leclercq; A.C. Zander; C.H. Hansen

Book ID: 103811196
Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 808 KB
Volume: 67
Category: Article
ISSN: 0003-682X
DOI: 10.1016/j.apacoust.2005.05.002

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The active control of tonal noise propagating in ducts at frequencies where many modes are able to propagate is considered. The final objective of the work reported is to cancel the prominent 450-500 Hz blade passing frequency of the rotary suction fans found in chimney stacks of power stations. Thr