基于数值模拟数据的设计条件下超音速喷气机气声特性分析

IF 0.9 4区物理与天体物理 Q4 ACOUSTICS

Acoustical Physics Pub Date : 2024-09-18 DOI:10.1134/S1063771023601474

O. P. Bychkov, I. Yu. Mironyuk, I. A. Solntsev, G. A. Faranosov, M. A. Yudin

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引用次数: 0

摘要

在设计条件（马赫数 M = 2）下，对从拉瓦尔喷嘴喷射到静止空间的超音速射流的气动声学特性进行了数值模拟。文中介绍了使用大涡模拟（LES）方法进行计算的结果。获得了射流中流动的平均特性和波动特性，以及远场射流噪声的特性，包括其方位角组成。计算结果与实验数据进行了比较，结果表明两者的一致性令人满意。结论是所考虑的射流存在各种噪声产生机制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Analysis of Aeroacoustic Characteristics of a Supersonic Jet at Designed Conditions Based on Numerical Simulation Data

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Analysis of Aeroacoustic Characteristics of a Supersonic Jet at Designed Conditions Based on Numerical Simulation Data

Numerical simulation of the aeroacoustic characteristics of a supersonic jet issuing from a Laval nozzle into space at rest at the design condition (Mach number M = 2) was carried out. The results of calculations using the large eddy simulation (LES) method are presented. The mean and fluctuation characteristics of the flow in the jet, as well as the characteristics of the jet noise in the far field, including its azimuthal composition, were obtained. The calculation results are compared with experimental data, and their satisfactory agreement is shown. It is concluded that there are various mechanisms of noise generation in the considered jet.

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来源期刊

Acoustical Physics 物理-声学

CiteScore

1.60

自引率

50.00%

发文量

审稿时长

3.5 months

期刊介绍： Acoustical Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It covers theoretical and experimental aspects of basic and applied acoustics: classical problems of linear acoustics and wave theory; nonlinear acoustics; physical acoustics; ocean acoustics and hydroacoustics; atmospheric and aeroacoustics; acoustics of structurally inhomogeneous solids; geological acoustics; acoustical ecology, noise and vibration; chamber acoustics, musical acoustics; acoustic signals processing, computer simulations; acoustics of living systems, biomedical acoustics; physical principles of engineering acoustics. The journal publishes critical reviews, original articles, short communications, and letters to the editor. It covers theoretical and experimental aspects of basic and applied acoustics. The journal welcomes manuscripts from all countries in the English or Russian language.