Analysis of Data Processing Errors Inherent Part 36 of the Federal Aviation Regulations (FAR) Aircraft Noise Certification PDF Download
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Author: B. T. Hulse
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 66
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Book Description
Author: B. T. Hulse
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 66
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Book Description
Author: B. T. Hulse
Publisher:
ISBN:
Category :
Languages : en
Pages : 57
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Book Description
Analysis of errors in aircraft position measurement, atmospheric correction, and averaging time as applied to Federal Aviation Regulations, Part 36. Recommendations are made pertaining to current requirements. (Author).
Author: Federal Aviation Administration
Publisher: Skyhorse Publishing Inc.
ISBN: 1616088346
Category : Education
Languages : en
Pages : 739
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Book Description
All the information you need to operate safely in U.S...
Author: United States. Federal Aviation Administration
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 60
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Book Description
Author: RN. Tedrick
Publisher:
ISBN:
Category : Aircraft
Languages : en
Pages : 13
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Book Description
With the adoption in 1969 of the Federal Aviation Regulations, Part 36 (FAR), the Federal Aviation Administration (FAA) embarked upon a program to quantify and to limit the noise impact of the nation's civil air fleets. Since that original adoption, several amendments have been issued to (a) improve or better standardize the measurement of airplane noise, (b) redefine the descriptor-effective perceived noise level, (c) lower the permissible noise levels, and (d) require application of the standard to other airplanes. This paper reviews the technological basis for these standards, the public process by which they are promulgated or amended, and how thev relate to the prediction and alleviation of community noise.
Author:
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 574
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Author: D. N. May
Publisher:
ISBN:
Category :
Languages : en
Pages : 75
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Book Description
The existing tone correction procedure in the Effective Perceived Noise Level (EPNL) calculation procedure required for aircraft certification under Part 36 of the Federal Aviation Regulations was compared with other tone correction procedures, including the SAE Aerospace Recommended Practice 1071 and a multitone procedure due to Kryter and Pearsons. Different amounts of tone correction (level-weightings) and varying degrees of tone correction at different times in the flyover (time-weightings) were also explored. Also studied was a measure of spectral fluctuation, developed by NASA and known as spectral change. The research was limited to considering revisions within the framework of one-third octave, 0.5 second interval analysis, since such revisions can be quite easily implemented. The various tone correction noise metrics were tested against subjective judgements furnished by NASA of the noise from a range of propjet, turbojet, low and high bypass ratio turbofan, and supersonic commercial aircraft. It was found that a revision based on spectral change could, after further development, be a means to improve the accuracy of the EPNL metric. However, the success of the various other potential revisions depended on the characteristics of the data base tested. It was shown that research into improved metrics should be based on experimental plans which account for the correlations among the noise variables and the presence of any interactions. A separate, psychoacoustical pilot experiment was also performed into the effects of pseudotones on judged noisiness. (Pseudotones are low frequency tones introduced into a measured spectrum by ground reflections near the microphone).
Author: University of California, Berkeley. Institute of Transportation Studies. Library
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 588
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Author: United States. Federal Aviation Administration
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 322
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 916
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