Journal
COMBUSTION AND FLAME
Volume 169, Issue -, Pages 209-215Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.combustflame.2016.03.009
Keywords
Intrinsic instability; Thermoacoustics; Combustion instabilities; Acoustic losses
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Funding
- Dutch Technology Foundation STW [10430]
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The thermoacoustic stability behaviour of a flame is experimentally investigated in the presence of large acoustic losses. Recently it has become clear that under such conditions an instability can occur due to an intrinsic local feedbackloop at the heat source. The experimental results confirm that despite significant acoustic losses, thermoacoustic instabilities can still be present. These findings imply that the effectiveness of passive thermoacoustic damping devices is limited by the intrinsic stability properties of the flame. (C) 2016 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
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