Preliminary analysis of nonlinearity in military jet aircraft noise propagation

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Abstract

A preliminary analysis of F/A-18E Super Hornet static engine run-up noise measurements that shows evidence of nonlinear propagation effects was described. Evidence of nonlinear propagation was demonstrated by a comparison of measured spectra with free-field linear predictions and by calculation of a nonlinear indicator. Analysis of the F/A-18E static engine run-up measurements indicated that the noise is non-Gaussian and the propagation nonlinear at afterburner and military thrust conditions. The study has demonstrated that additional and perhaps more extensive investigations in this area are merited.

Original languageEnglish (US)
Pages (from-to)1398-1401
Number of pages4
JournalAIAA journal
Volume43
Issue number6
DOIs
StatePublished - Jun 2005

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering

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