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Federal Aviation Administration

The FAA conducts research to ensure that commercial and general aviation is the safest in the world. Bookmark this collection https://rosap.ntl.bts.gov/collection_faa or https://doi.org/10.21949/1530831.

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Helicopter Noise Source Separation Using an Order Tracking Filter

CITE Title : Helicopter Noise Source Separation Using an Order Tracking Filter Creator(s) : Rachaprolu, Joel Sundar;Greenwood, Eric; Corporate Creator(s) : United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment;Pennsylvania State University. Department of Aerospace Engineering; Corporate Contributor(s) : United States. Department of Transportation. Federal Aviation Administration. Office of Environment and Energy Published Date : 2023-08-01 DOI : https://doi.org/10.4050/F-0078-2022-17433 "Helicopter Noise Source Separation" (2023). https://doi.org/10.4050/F-0078-2022-17433 "Helicopter Noise Source Separation Using an Order Tracking Filter" (2023), https://doi.org/10.4050/F-0078-2022-17433 "Helicopter Noise Source Separation Using an Order Tracking Filter" , 2023, https://doi.org/10.4050/F-0078-2022-17433 Export RIS Citation Information.

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Rachaprolu, Joel Sundar ;

Greenwood, Eric

2023-08-01

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Due to the importance of understanding the aeroacoustics of rotorcraft with continually changing noise sources, this paper presents a new technique fo...
Rotorcraft Noise Abatement Operating Conditions Modeling

CITE Title : Rotorcraft Noise Abatement Operating Conditions Modeling Creator(s) : Brentner, Kenneth S Corporate Creator(s) : Pennsylvania State University. Department of Aerospace Engineering Corporate Contributor(s) : United States. Federal Aviation Administration. Center of Excellence for Alternative Jet Fuels and Environment Published Date : 2017-04-06 URL : /view/dot/56847 "Rotorcraft Noise Abatement Operating" (2017). "Rotorcraft Noise Abatement Operating Conditions Modeling" (2017) "Rotorcraft Noise Abatement Operating Conditions Modeling" , 2017 Export RIS Citation Information.

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Brentner, Kenneth S

2017-04-06

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The rotorcraft industry, universities, and government research labs have actively engaged in research activities since the late 1960’s to understand...