Quantitative measurements of species and temperature in a DME-air counterflow diffusion flame using laser diagnostic methods

Christian Brackmann, Joakim Bood, Marcus Aldén, G Pengloan, O Andersson

Research output: Contribution to journalArticlepeer-review

22 Citations (SciVal)

Abstract

A diffusion flame of dimethyl ether (DME) and air in a counterflow burner has been investigated experimentally by means of different laser-based methods. Quantitative measurements of temperature, O-2 concentration, and OH concentration have been carried out using dual broadband rotational coherent anti-Stokes Raman Spectroscopy (CARS), Rayleigh scattering and laser-induced fluorescence (LIF). Furthermore a qualitative formaldehyde profile has been measured using LIF. The measured profile has been compensated for fluorescence signal quenching and the Boltzmann distribution to obtain a representative qualitative formaldehyde profile for the flame.
Original languageEnglish
Pages (from-to)1165-1184
JournalCombustion Science and Technology
Volume178
Issue number6
DOIs
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Atom and Molecular Physics and Optics

Keywords

  • laser-induced fluorescence
  • rotational CARS
  • diffusion flame
  • laser diagnostics
  • dimethyl ether

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