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ASSESEMENT OF FINE-SCALE TURBULENCE NOISE SOURCE MODELS FOR JET NOISE PREDICTION
Author(s): 
Pages: 587-590
Year: Issue:  4
Journal: Journal of Engineering Thermophysics

Keyword:  喷流噪声声源模型;
Abstract: 本文在Tam & Auriault提出的喷流噪声预测方法的基础上,导得计算轴对称喷管伴随格林函数的方程以及声源谱、伴随格林函数与噪声谱密度函数之间的关系,比较了几种典型的声源模型,并且采用了一种随频率变化的长度尺度.验证结果表明,TA预测模型中随频率变化长度尺度与Harper-Bourne提出的声源模型的结合能给出更好的预测结果.
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