Low-Order Modelling for Chevron Jet Noise based on LES data
作者： Sergey Karabasov , Hao Xia , Owen Graham , Tom Hynes , Paul Tucker
DOI: 10.2514/6.2010-3964
关键词:
摘要: An hybrid acoustic analogy model – informed by LES has been applied to the prediction of noise from an isothermal SMC006 chevron jet tested during NASA SHJAR programme. The source modelling is based on a mixture RANS/LES techniques and for sound propagation locally parallel mean flow used. results are compared with narrowband measurements also predictions standard permeable-surface Ffowcs Williams Hawkings method same data.
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