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Swirl Flame Response to Simultaneous Axial and Transverse Velocity Fluctuations

[+] Author Affiliations
Aditya Saurabh, Jonas P. Moeck, Christian Oliver Paschereit

Technische Universität Berlin, Berlin, Germany

Paper No. GT2016-57428, pp. V04BT04A015; 9 pages
doi:10.1115/GT2016-57428
From:
  • ASME Turbo Expo 2016: Turbomachinery Technical Conference and Exposition
  • Volume 4B: Combustion, Fuels and Emissions
  • Seoul, South Korea, June 13–17, 2016
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4976-7
  • Copyright © 2016 by ASME

abstract

In this experimental study we investigate the impact of transverse acoustic velocity fluctuations on the flame transfer function in response to axial velocity fluctuations. A generic swirl flame is exposed to transverse acoustic velocities of varying amplitude and relative phase simultaneously with axial acoustic forcing. Results obtained indicate that transverse velocity affects flame response, and both the magnitude of transverse velocity and its phase with respect to axial forcing are important factors. In addition to this key results, considerations for experimental investigations dealing with transverse acoustic forcing have been discussed.

Copyright © 2016 by ASME

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