Jackson, P.J.B. and Ross, C.F.
Application of Active Noise Control in Corporate Aircraft
At 1996 International Mechanical Engineering.
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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.
Conference or Workshop Item
||Organisation: ASME Address: Atlanta, GA, USA
|Venue - Dates:
||1996 International Mechanical Engineering, 1996-11-01
||Electronics & Computer Science
||06 Jan 2000
||18 Apr 2017 00:21
|Further Information:||Google Scholar|
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