{"id":336,"date":"2023-06-29T12:58:02","date_gmt":"2023-06-29T12:58:02","guid":{"rendered":"https:\/\/akustikdoktorn.se\/?page_id=336"},"modified":"2025-04-29T11:50:07","modified_gmt":"2025-04-29T11:50:07","slug":"aircraft","status":"publish","type":"page","link":"https:\/\/akustikdoktorn.se\/en\/aircraft\/","title":{"rendered":"Aircraft noise"},"content":{"rendered":"
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Aircraft noise<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Aircraft noise is typically aero-acoustically generated, originating from the engines and from turbulence created by the airframe and landing gear. For operators and manufacturers, low noise emissions are key, as landing fees are driven by the ACI noise rating indices.<\/p>\n

Akustikdoktorn har kvalificerad erfarenhet fr\u00e5n modellering av intern- och externbuller samt fr\u00e5n design av bullerreducerande \u00e5tg\u00e4rder p\u00e5 flygplan fr\u00e5n tidigare akustikarbete vid Bombardier Aerospace. Vi har tillg\u00e5ng till SAFTu som \u00e4r ett specialprogram f\u00f6r att ber\u00e4kna bullerexponering fr\u00e5n dr\u00f6nare<\/a> (UAVer); se projektet APIS<\/a>. Dessutom har vi erfarenhet av arraym\u00e4tningar f\u00f6r att karakt\u00e4risera och ranka bullerk\u00e4llor. Bullerkartl\u00e4ggning vid flygplatser kan vi erbjuda genom v\u00e5rt samarbete med Akustix Sp. Zo.o<\/a>.<\/p>\n<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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UAV trajectory: Huddinge - South general hospital<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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UAV landing at South General Hospital: Noise map for wing mode operation<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t
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UAV landing at South General Hospital: Noise map for copter mode operation<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Airport noise control <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Noise around airports causes major psychological stress and leads to substantial cost for mitigation measures. For airports and authorities there is a need to minimize disturbance from landing and departing aircraft, e.g. by optimizing flight paths. The degree to which people experience aircraft noise has a lot to do with atmospheric conditions. Temperature, wind speed and direction, humidity, rainfall and cloud-coverage have all a part to play in the way we hear aircraft noise.<\/p>

Airport noise assessments are made to monitor and control the levels that people are exposed to. The exposure is typically calculated using integrated models to present the so-called footprint of aircraft, or rather a yearly average of all the aircraft starting and landing at an airfield.<\/p>

We can make predictions using e.g. the Integrated Noise Model (acc. to ECAC.Doc 29) for the yearly exposure based on statistical data on flight movements.<\/p>

Experience and qualifications of our partner Akustix:<\/p>