Enhanced Modeling of Aircraft Taxiway Noise, Volume 1: Scoping (2009) / Chapter Skim
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Pages 73-76
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From page 73... ...
73 CHAPTER 5. SUGGESTIONS Considering the wide range of measured taxi noise and the spread of the source noise data presented thus far in this report, it would appear that the chief burden of improvements to current state of the art techniques for taxi noise modeling falls upon the creation of an adequate taxi noise source database for use in INM and AEDT.
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From page 74... ...
74 noise contours. AAM treats the lateral and longitudinal directivity as a source modeling input, not as propagation corrections as is the case within INM.
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From page 75... ...
75 When computing taxi noise contours, the application of simplified emissions parameters for time in mode modeling is not recommended. The acoustic impact will depend on the difference between the actual and modeled times in mode.
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From page 76... ...
76 5.3.4. Aircraft Performance/Operational Thrust Data Data assessing the operating state of aircraft engines during taxi operations was presented as was acoustic data for idle taxi and breakaway thrust noise events.
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