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LARGE-EDDY SIMULATION OF A SWIRLING AVIATION KEROSENE SPRAY FLAME USING 3-COMPONENT SURROGATE FUELS

  • Beihang University
  • Zhejiang University

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

As a high-fidelity simulation technique, large-eddy simulation (LES) is an important numerical approach to investigate the complex phenomena inside the aviation engine combustors including atomization of fuel jets, beak-up of fuel droplets, evaporation, and turbulent mixing of fuel and air. The present paper describes a coupling method of flamelet generated manifold (FGM) chemistry table built with 3-component surrogate kerosene skeletal mechanism and the artificial thickened flame (ATF) model under the LES framework. The complex chemical kinetic effects of kerosene combustion can then be accounted in LES with a minor computational cost. A swirling-stabilized aviation kerosene burner configuration is investigated with the proposed approach and encouraging results are obtained. The interactions between the partially premixed flame and the evaporating droplets are well predicted by the LES simulation.

Original languageEnglish
Title of host publication32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021
PublisherInternational Council of the Aeronautical Sciences
ISBN (Electronic)9783932182914
StatePublished - 2021
Event32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021 - Shanghai, China
Duration: 6 Sep 202110 Sep 2021

Publication series

Name32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021

Conference

Conference32nd Congress of the International Council of the Aeronautical Sciences, ICAS 2021
Country/TerritoryChina
CityShanghai
Period6/09/2110/09/21

Keywords

  • Kerosene spray
  • Large-eddy simulation
  • Surrogate fuel
  • Swirling flame
  • Turbulent combustion

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