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Simulation of Gas Turbine Ignition Using Large Eddy Simulation Approach

[+] Author Affiliations
Yihao Tang, Malik Hassanaly, Venkat Raman

University of Michigan, Ann Arbor, MI

Brandon A. Sforzo

Argonne National Laboratory, Argonne, IL

Sheng Wei, Jerry M. Seitzman

Georgia Institute of Technology, Atlanta, GA

Paper No. GT2018-76216, pp. V04BT04A007; 10 pages
doi:10.1115/GT2018-76216
From:
  • ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition
  • Volume 4B: Combustion, Fuels, and Emissions
  • Oslo, Norway, June 11–15, 2018
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-5106-7
  • Copyright © 2018 by ASME

abstract

This study simulates spark ignition of a modular stratified flow facility using realistic aviation fuel. The combustion model uses a look-up table approach, where the data of the look-up table are collected from lower dimension flamelet/homogeneous ignition calculations. The combustion model is incorporated into a previously developed low-Mach solver, based on which a module is further introduced that uses field patching strategies to represent the ignitor impulse. Simulated results of both ignition successful and failure can be achieved under different initial spark energy input, and the physical effects behind the different ignition behavior is related to the dynamics of the spark kernel impulse. It is further shown that the simulated ignition process exhibits similar features compared to associated experimental results and allows for detailed analysis of the transition to ignited or extinguished states.

Copyright © 2018 by ASME

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