Acoustic Control of Turbulent Jets
Acoustic Control of Turbulent Jets
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DOI：
10.1007/978-3-540-39914-8
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发表时间：
2004-03
期刊：
影响因子：
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通讯作者：
A. S. Ginevsky;Ye. V. Vlasov;R. Karavosov
中科院分区：
文献类型：
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作者：
A. S. Ginevsky;Ye. V. Vlasov;R. Karavosov
本专着介绍了通过不同强度和频率的声激励控制亚音速和超音速湍流射流的空气动力学和声学特性的实验研究的最新结果。研究了亚音速湍流射流的相干结构及其对谐波声激励的敏感性，以及声激励下亚音速射流湍流的产生和抑制。本书涵盖了控制超音速非等压喷气特性的主动和被动方法，特别是抑制气动喷气噪声的离散分量。分析了亚音速湍流射流的数值模拟方法。给出了所提出方法的实际实现示例，应用于涡轮喷气发动机的喷射噪声降低和具有开放测试部分的风洞中的自振荡抑制。
This monograph presents recent results of experimental research relating to control of aerodynamic and acoustic characteristics of subsonic and supersonic turbulent jets by acoustic excitation of different intensity and frequency. Coherent structures in subsonic turbulent jets and their sensibility to harmonic acoustic excitation are studied, as well as the generation and suppression of turbulence in subsonic jets under acoustic excitation. The book covers active and passive methods of controlling supersonic non-isobaric jet characteristics and, in particular, suppression of discrete components of aerodynamic jet noise. Numerical simulation methods of subsonic turbulent jets are analyzed. Examples of practical realization of the presented methods are given in application to jet noise reduction of turbojet engines and to auto-oscillation suppression in wind tunnels with open test section.