Results 251 to 260 of about 1,970,340 (307)

AAPM Task Group No. 249.B-Essentials and guidelines for clinical medical physics residency training programs. [PDF]

open access: yesJ Appl Clin Med Phys
Nye JA   +16 more
europepmc   +1 more source

Aircraft Noise Certification Requirements Which Ensure Use of Available Noise Control Technology

Noise Control Engineering, 1976
The results of compliance demonstration test programs for new wide-bodied aircraft powered by high-bypass-ratio engines showed that in some cases the aircraft noise levels were well below those of the requirements. This prompted a number of investigations, both in the US and internationally, to determine the feasibility of modifying the noise ...
A. Mcpike
openaire   +2 more sources

Alternative noise certification concepts for air carrier aircraft

The Journal of the Acoustical Society of America, 1980
This paper examines a number of general and specific concepts in noise certification. These include current takeoff and landing flight procedure requirements, and the potential role of static engine noise testing for noise certification. Effectiveness of existing noise certification concepts are briefly reviewed and alternative methods considered which
L. Sutherland
openaire   +2 more sources

Ground Effects For Aircraft Noise Certification

23rd AIAA/CEAS Aeroacoustics Conference, 2017
Maelle Albert   +2 more
openaire   +2 more sources

Towards digital noise certification of serrated wind turbines

25th AIAA/CEAS Aeroacoustics Conference, 2019
Wouter C. van der Velden   +1 more
openaire   +2 more sources

Study on the Current Status and Evaluation Methods of Noise Certification for Unmanned Aerial Vehicles (UAVs)

SAE technical paper series, 2023
This paper tracks the latest development of UAV noise certification regulations in various countries, outlines the current airworthiness noise requirements, focuses on the overview of various UAV noise assessment methods, and analyses the ...
Jiaxu Qin   +4 more
semanticscholar   +1 more source

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