Simulations of plasma-assisted combustion flames in coaxial microwave reactors

Joseph W. Zimmerman, Andrew D. Palla, Darren M. King, David L. Carroll, Constandinos M. Mitsingas, Rajavasanth Rajasegar, Tonghun Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The atmospheric coaxial direct-coupled microwave torch configuration offers a convenient experimental format for validating multiphysics simulations of plasma-assisted combustion (PAC). The optical accessibility of this configuration allows for the application of various diagnostics to the PAC flame such as planar laser-induced fluorescence (PLIF) to determine quantitative two-dimensional density distributions of radicals (e.g. OH, CH, NO), Rayleigh scattering thermometry (RST) for temperature profiles, and particle image velocimetry (PIV) to characterize the flame flow-field, as well as assessment of plasma nonequilibrium effects via probe measurements and spectroscopic emission measurements. Furthermore, the flexible system enables premixed and non-premixed configurations to be addressed, and the most recent modifications have added tangential swirling flows. Here, recent changes to the experimental apparatus to combine PAC with swirl-stabilization are overviewed, and initial PLIF measurements of OH radicals are presented, as well as measurements of flame stability limits and acoustics. Cold flow simulations of the swirl-stabilized chamber using BLAZE Multiphysics simulation suite are presented.

Original languageEnglish (US)
Title of host publication54th AIAA Aerospace Sciences Meeting
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
ISBN (Print)9781624103933
DOIs
StatePublished - Jan 1 2016
Event54th AIAA Aerospace Sciences Meeting, 2016 - San Diego, United States
Duration: Jan 4 2016Jan 8 2016

Publication series

Name54th AIAA Aerospace Sciences Meeting
Volume0

Other

Other54th AIAA Aerospace Sciences Meeting, 2016
CountryUnited States
CitySan Diego
Period1/4/161/8/16

ASJC Scopus subject areas

  • Aerospace Engineering

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