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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 At 1996 International Mechanical Engineering. , pp. 19-24.

Record type: Conference or Workshop Item (Other)


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.

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Published date: November 1996
Additional Information: Organisation: ASME Address: Atlanta, GA, USA
Venue - Dates: 1996 International Mechanical Engineering, 1996-11-01
Organisations: Electronics & Computer Science


Local EPrints ID: 250430
PURE UUID: 495e43aa-19cd-46b5-ac57-477dd2f3ad02

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Date deposited: 06 Jan 2000
Last modified: 18 Jul 2017 10:42

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Author: P.J.B. Jackson
Author: C.F. Ross

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