Measurement on Turbulent Premixed Flame Structure of CH 4 /H 2 /Air Mixtures with CO 2 Dilution

Paper #:
  • 2015-01-1960

Published:
  • 2015-09-01
DOI:
  • 10.4271/2015-01-1960
Citation:
Wang, J., Yu, S., Nie, Y., Jin, W. et al., "Measurement on Turbulent Premixed Flame Structure of CH4/H2/Air Mixtures with CO2 Dilution," SAE Technical Paper 2015-01-1960, 2015, doi:10.4271/2015-01-1960.
Pages:
7
Abstract:
Measurement on turbulent premixed CH4/H2/air flames was studied experimentally. Hydrogen blending ratio is defined as the ratio of hydrogen to fuel, while CO2 dilution ratio is defined as the mole fraction of CO2 to those of mixture. Hydrogen blending ratios up to 0.2 and CO2 dilution ratios up to 0.1 were studied. OH profile of the instantaneous flame front was detected using the OH-PLIF visualizations on a turbulent Bunsen burner. 500 OH-PLIF images were used to obtain the turbulent burning velocity and calculate flame surface density, and 280 images was used to calculate the local curvature radius.
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