Technical Brief

Influence of Turbulent Combustion Noise by Gas Oscillations Decrement Estimates

[+] Author and Article Information
Viacheslav Karmalita

Private consultant; 255 Boylan Avenue, Dorval, Quebec H9S5J7, Canada

1Corresponding author.

ASME doi:10.1115/1.4040255 History: Received August 29, 2017; Revised May 03, 2018


This paper deals with exercising the autoregressive method determining the logarithmic decrement and natural frequency of gas oscillations in a combustion chamber. Evaluation of a combustion noise impact by oscillation decrement estimates was resulted in finding out a parry solution based by modeling vibrating combustion phenomena. Results of the proposed solution implementation for afterburner tests are presented as well.

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