Development of the calculation method of complex acoustic resonator parameters

Authors

DOI:

https://doi.org/10.15587/1729-4061.2015.46500

Keywords:

complex acoustic resonator, oscillation circuit, gas-dynamic analogies

Abstract

Despite the large number of works devoted to passive management methods of separated flows in the stages of axial fans, still little attention has been paid to the integrated approaches of impact on the end separated flows. In the paper, the calculation method of complex resonator parameters based on the method of hydro-gas-dynamic analogies was presented. The basic idea of using the complex resonator is pulse-periodic action on the end separated eddy flows, which consist of high-frequency and low-frequency components of oscillations. The paper presents the formation of generalized dependencies for calculating geometrical parameters of the complex resonator, which consists of two series-connected acoustic cavities, one of which is tuned to the high frequency component, and the other - to the low-frequency component of the oscillation field. The presented method allows to obtain the relationship between the geometric parameters of the complex acoustic resonator and the frequency of its natural oscillations. The research results can be used in the design of control systems of separated flows in the turbomachinery blade rows. 

Author Biographies

Микола Юрійович Богданов, National Aviation University 1 Kosmonavta Komarova, Kyiv, Ukraine, 03058

Senior teacher

Aviation engines department

Федір Іванович Кірчу, National Aviation University 1 Kosmonavta Komarova, Kyiv, Ukraine, 03058

Associate professor

Aviation engines department

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Published

2015-08-21

How to Cite

Богданов, М. Ю., & Кірчу, Ф. І. (2015). Development of the calculation method of complex acoustic resonator parameters. Eastern-European Journal of Enterprise Technologies, 4(9(76), 15–21. https://doi.org/10.15587/1729-4061.2015.46500

Issue

Vol. 4 No. 9(76) (2015): Information and controlling system

Section

Information and controlling system

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Copyright (c) 2015 Микола Юрійович Богданов, Федір Іванович Кірчу

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