NUMERICAL ESTIMATION OF NOISE GENERATED BY HOMOGENEOUS AND ISOTROPIC TURBULENCE

被引：0

作者：

WITKOWSKA, A ^{[1
]}

JUVE, D ^{[1
]}

机构：

[1] ECOLE CENT LYON, MECAN FLUIDES & ACOUST LAB, CNRS, URA 263, BP 163, F-69131 ECULLY, FRANCE

来源：

COMPTES RENDUS DE L ACADEMIE DES SCIENCES SERIE II | 1994年 / 318卷 / 05期

关键词：

D O I：

暂无

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Lighthill's acoustic analogy is combined with a numerical simulation of homogeneous and isotropic turbulence (Large Eddy Simulation in a cube) in order to evaluate the farfield noise. Numerical results show that, since we compute the noise of a subdomain of the entire source field, one of the analogy forms [equation (1)] largely overestimates noise generation. On the other hand, results obtained with the form 3 are in good agreement with Proudman's model.

引用

页码：597 / 602

页数：6

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