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“…Through HSLSFV images, the progression of the propagating flame is captured, thus obtaining qualitative information about flame shape and scales of flame front wrinkling [1,[3][4][5][6][7][9][10][11]. PIV allows the measurement of the velocity field ahead of the flame front, leading to the quantification of the flame/vortex interaction [10,16,17].…”
Section: Introductionmentioning
“…To examine the flame-flow interactions, we also need to define the flame front location. A number of previous studies performed CH-or OH-planar laser-induced fluorescence (PLIF) measurements to define the flame front location, in which the gradients of CH or OH radical signal were used to indicate the flame front position [18,19,24,33]. The flame front can also be detected from the abrupt change in the seeding particle densities between the reactants and the products [34,35] (see Fig.…”
Section: Post-processing the Piv Datamentioning
“…This will be caused by the curvature estimation only from twodimensional cross section in the experiments. It should be noted that curvature of the flame front has been reported by many previous studies [3,23], whereas all studies reported those in dimensional form or non-dimensionalized by laminar flame properties. In Fig.…”
Section: Resultsmentioning
“…Recently, simultaneous CH, OH and velocity measurement has been reported [19,20] for investigate the flame structures. Furthermore, to investigate the dynamics of turbulent premixed flame, CH doublepulsed PLIF measurement [21] and simultaneous CH double pulsed PLIF/OH PLIF and stereoscopic PIV measurement [22] and simultaneous stereo PIV and double-pulsed acetone PLIF [23] were developed. However, almost all studies were restricted to measurement in two-dimensional cross section.…”
Section: Introductionmentioning
“…The combined measurements enabled to monitor the changes in the flame structure while increasing the Reynolds number. Another example was given by Filatyev et al [7] who combined PIV and PLIF measurements to investigate the flame vortex interaction i.e. monitor the flame radical changes with evolving velocity vectors.…”
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