Article
First Experimental Studies of Active Noise Control in an Aircraft Cabin Demonstrator (en)
* Presenting author
Abstract:
Turboprop aircraft offer a clear and advantageous solution when incorporating liquid hydrogen as an energy carrier; on the other hand, they do come with the drawback of elevated cabin noise levels. This research delves into the integration of Active Noise Control (ANC) systems as a solution to reduce cabin noise in propeller-driven aircraft. These aircraft are notorious for generating excessive cabin noise, presenting a formidable challenge to passengers’ in-flight experience, leading to discomfort and fatigue. The primary aim of the research project CATECO (Cabin Acoustics at the hearT of ECO-responsibility) is to explore various strategies and conduct experimental research to optimize ANC technology and assess its feasibility in cabin noise reduction.Through the first experimental studies, the effectiveness of ANC systems in real-world aircraft cabin environment is researched. It tackles the technical complexities associated with ANC system design, including loudspeaker and microphone selection and placement, alongside the development of adaptive algorithms. Furthermore, this study investigates the potential benefits of ANC systems in attenuating the low-frequency noise originating from propellers, ultimately enhancing passenger comfort and well-being during air travel.