Behind start of take-off roll aircraft sound level directivity study - revision 1

Lau, Michael C; Roof, Christopher J.; Fleming, Gregg G.; Rapoza, Amanda S.; Boeker, Eric R.; McDurdy, David A.; Shepherd, Kevin P.; John A. Volpe National Transportation Systems Center (U.S.); Langley Research Center

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Behind start of take-off roll aircraft sound level directivity study - revision 1

2015-04-30
By Lau, Michael C ; Roof, Christopher J. ; Fleming, Gregg G. ; ...

[PDF-3.13 MB]

English

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Details:

Creators:

Lau, Michael C ; Roof, Christopher J. ; Fleming, Gregg G. ; Rapoza, Amanda S. ; Boeker, Eric R. ; ... More +

Lau, Michael C ; Roof, Christopher J. ; Fleming, Gregg G. ; Rapoza, Amanda S. ; Boeker, Eric R. ; McDurdy, David A. ; Shepherd, Kevin P. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.) ; Langley Research Center

John A. Volpe National Transportation Systems Center (U.S.) ; Langley Research Center Less -
Subject/TRT Terms:

[+]

Acoustic Measuring Instruments AEDT Aircraft Directivity Patterns Aircraft Noise Airport Noise Algorithms Aviation Environmental Design Tool Computer Noise Model Field Tests INM Integrated Noise Model Mathematical Prediction Measurement Of Specific Phenomena Noise Noise Prediction Take-off Roll Noise Takeoff
Publication/ Report Number:

DOT-VNTSC-NASA-12-01 ; NASA/TM-2012-217783

DOT-VNTSC-NASA-12-01 ; NASA/TM-2012-217783 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

John A. Volpe National Transportation Systems Center (U.S.)
Abstract:

The National Aeronautics and Space Administration (NASA), Langley Research Center (LaRC) and the Environmental Measurement and Modeling Division of the United States Department of Transportation’s John A. Volpe National Transportation Systems Center (Volpe) conducted a noise measurement study to examine the sound level directivity pattern behind aircraft start-of-takeoff roll. This report discusses the procedures and methodologies used to measure and quantify data acquired from the Study. This is a revision to the December 2012 that addresses a rounding error in equation 4 (Section 5.4) and the supporting text in Section 5 and Appendix F.
Format:

PDF
Funding:

VX83 - BS243 ; FA4SCD - LTA59

VX83 - BS243 ; FA4SCD - LTA59 Less -
Collection(s):

Volpe
Main Document Checksum:

[+]

urn:sha256:b01c57744e20dd20ee18d1d238bdf93bc019afc447a2285eb511320702786e47
Download URL:

https://rosap.ntl.bts.gov/view/dot/9711/dot_9711_DS1.pdf
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Behind start of take-off roll aircraft sound level directivity study - revision 1

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