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  1. No Access

    Article

    Investigation of in-flame soot optical properties in laminar coflow diffusion flames using thermophoretic particle sampling and spectral light extinction

    Soot optical properties are essential to the noninvasive study of the in-flame evolution of soot particles since they allow quantitative interpretation of optical diagnostics. Such experimental data are critic...

    Nathan J. Kempema, Bin Ma, Marshall B. Long in Applied Physics B (2016)

  2. No Access

    Article

    Signal-to-noise ratio improvements in laser flow diagnostics using time-resolved image averaging and high dynamic range imaging

    Two alternative image readout approaches are demonstrated to improve the signal-to-noise ratio (SNR) in temporally resolved laser-based imaging experiments of turbulent phenomena. The first method exploits the...

    Davide Giassi, Marshall B. Long in Experiments in Fluids (2016)

  3. No Access

    Article

    Combined soot optical characterization using 2-D multi-angle light scattering and spectrally resolved line-of-sight attenuation and its implication on soot color-ratio pyrometry

    Soot characterization using multiple techniques has been performed in a series of nitrogen-diluted ethylene coflow laminar diffusion flames. Soot aggregate sizes have been measured in two dimensions, as oppose...

    Bin Ma, Marshall B. Long in Applied Physics B (2014)

  4. No Access

    Chapter and Conference Paper

    Measurement of the Topology of Large-Scale Structures in Turbulent Reacting Flows

    Turbulent combustion involves a complex interplay between fluid motion and chemistry. A widely held view is that large-scale structures play an important role in this interaction. Experimental work that concen...

    Marshall B. Long, Brandon Yip, Michael Winter, Joseph K. Lam in Turbulent Reactive Flows (1989)