Effects of Non-Linearity on the Flame Response and Control of Combustion Instabilities in a Matrix Burner

This paper discusses the effect of non-linearities inside a matrix burner on the flame response and control of instabilities inside the matrix burner. In particular, the response of the flame to high inlet velocity modulation level and frequency of the forcing signal are discussed. The importance of...

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Bibliographic Details
Main Authors: Dieter Bohn, Nils Ohlendorf, James Willie
Format: Article
Language:English
Published: SAGE Publishing 2011-09-01
Series:International Journal of Spray and Combustion Dynamics
Online Access:https://doi.org/10.1260/1756-8277.3.3.243
Description
Summary:This paper discusses the effect of non-linearities inside a matrix burner on the flame response and control of instabilities inside the matrix burner. In particular, the response of the flame to high inlet velocity modulation level and frequency of the forcing signal are discussed. The importance of the choice of the combustion model used in the numerical simulation of combustion instabilities is highlighted. The effect of non-linearities on the choice of the primary fuel actuator used in active control is discussed. Finally, it is shown that the occurrence of limit cycle behavior inside the combustor of the matrix burner led to hysteresis. The analysis begins with the discussion of the stability map of the matrix burner obtained from measurements.
ISSN:1756-8277
1756-8285