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On the Problem of Control of the Amplitude of Self-Oscillations of a Singing Flame

Authors
  • Gotsulenko, V. V.1
  • Gotsulenko, V. N.2
  • 1 National Academy of Sciences of Ukraine, Institute of Technical Thermophysics, 57 Zhelyabov Str., Kiev, 03057, Ukraine , Kiev (Ukraine)
  • 2 Institute for Entrepreneurship “Strategy,”, 38 Gagarin Str., Zheltye Vody, 52205, Ukraine , Zheltye Vody (Ukraine)
Type
Published Article
Journal
Journal of Engineering Physics and Thermophysics
Publisher
Springer US
Publication Date
Mar 01, 2014
Volume
87
Issue
2
Pages
319–324
Identifiers
DOI: 10.1007/s10891-014-1015-3
Source
Springer Nature
Keywords
License
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Abstract

The character of change in the amplitude of self-oscillations of the flame in a combustion chamber, which are excited as a result of the phenomenological delay of combustion of the fuel in it, with variation of the chambers’s wave resistance and outflow of the combustion products at a constant pressure through a throttling orifice and a converging nozzle has been determined. It has been established that when the combustion products fl ow out through the converging nozzle, the viscous-friction resistance decreases with increase in the mass fl ow rate of the combustion products. This leads to instability of the steady-state combustion mode.

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