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Author
Everest, D. A. | Shaddix, C. R. | Smyth, K. C.
Title
Quantitative Two-Photon LIF Imaging of CO in Flickering CHâ‚„/Air Diffusion Flames.
Coporate
National Institute of Standards and Technology, Gaithersburg, MD
Book or Conf
Combustion Institute/Eastern States Section. Chemical and Physical Processes in Combustion. Proceedings. Fall Technical Meeting, 1995. October 16-18, 1995, Worcester, MA, 71-74 p., 1995
Keywords
combustion | carbon monoxide | diffusion flames | flickering flames | fluorescence | methane | polycyclic aromatic hydrocarbons | soot
Identifiers
Laser Induced Fluorescence (LIF)
Abstract
Most detailed studies of chemical processes in diffusion flames have been carried out under steady flame conditions, which provide an experimentally reproducible environment for making careful profile measurements. In contrast, flickering diffusion flames exhibit a much wider range of time-dependent, vortex-flamesheet interactions, and thus they serve as an important testing ground for assessing the applicability of chemical models derived from steady flames to complex, turbulent flows. Two examples of particular interest are the production and oxidation of soot and CO. Both involve sufficiently slow chemical rates that one might expect to observe a strong sensitivity to the complex flowfields present in time-varying flames.