Ethylene combustion in an axisymmetric mach 4.5 cavity

Evan W. Hyde, Gabriel B. Goodwin, Ryan F. Johnson, Tonghun Lee

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

Abstract

Axisymmetric cavity combustors are not subjected to the corner boundary-layer effects present in planar combustors, making them an attractive configuration for robust flameholding. Experiments at the University of Illinois have investigated ethylene combustion in an axisymmetric combustor using a cavity flameholder with inlet flow at Mach 4.5. Cavity flameholding was achieved for a range of fuel equivalence ratios. This paper presents preliminary results in using the Naval Research Laboratory’s discontinuous Galerkin finite element method code, JENRE®, to simulate the operation of the University of Illinois ACT-II cavity combustor facility. The overall goal of this ongoing effort is to gain further insight into combustion dynamics in an axisymmetric supersonic cavity combustor. Two and three dimensional simulations were performed using a reduced model for ethylene-air combustion. Robust, cavity-stabilized combustion was achieved and results are compared to experimental data.

Original languageEnglish (US)
Title of host publicationAIAA Scitech 2021 Forum
PublisherAmerican Institute of Aeronautics and Astronautics Inc, AIAA
Pages1-9
Number of pages9
ISBN (Print)9781624106095
StatePublished - 2021
EventAIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021 - Virtual, Online
Duration: Jan 11 2021Jan 15 2021

Publication series

NameAIAA Scitech 2021 Forum

Conference

ConferenceAIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2021
CityVirtual, Online
Period1/11/211/15/21

ASJC Scopus subject areas

  • Aerospace Engineering

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