Application of Active Noise Control in Corporate Aircraft

Jackson, P.J.B. and Ross, C.F. (1996) Application of Active Noise Control in Corporate Aircraft. 1996 International Mechanical Engineering , 19-24.


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Following the successful introduction of Active Noise Control (ANC) systems as standard production fits on commuter aircraft (Saab2000, Saab340B and Dash8Q series 100, 200 & 300), recent efforts have focused on developing low-cost, low-weight systems for smaller corporate aircraft. This paper describes the approach taken by Ultra to the new technical challenges and the resulting improvements to the design methodology. A review of system performance on corporate (King Air & Twin Commander) turboprop aircraft shows repeatable global Tonal Noise Reductions (TNRs) of >8 dBA throughout the whole cabin, achieving reductions >20 dB in some locations at the blade-pass frequency (BPF), and major comfort benefits throughout the flight envelope with a weight penalty of less than 20 kg.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Additional Information: Organisation: ASME Address: Atlanta, GA, USA
Divisions: Faculty of Physical Sciences and Engineering > Electronics and Computer Science
ePrint ID: 250430
Date Deposited: 06 Jan 2000
Last Modified: 27 Mar 2014 19:51
Further Information:Google Scholar

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