Simultaneous PIV/PTV/OH PLIF imaging: Conditional flow field statistics in partially premixed turbulent opposed jet flames

Böhm, Benjamin; Geyer, D.; Dreizler, Andreas; Venkatesan, Krishna; Laurendeau, Normand M.; Renfro, Michael W.

doi:10.1016/j.proci.2006.07.057

Cited by 36 publications

(35 citation statements)

References 24 publications

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“…Slight changes in its thermo-kinetic state caused by alteration of the radiative heat transfer through seeding particles can shift the extinction limits remarkably. Instead of using PIV, particle tracking velocimetry might be an alternative that operates with lower seeding densities as well [28].…”

Section: Particle Image Velocimetrymentioning

confidence: 99%

“…Ideally, this is done in the flame under investigation. In [28] a strategy is presented to reduce the impact of experimental noise on the PIV-processed velocities.…”

Section: Particle Image Velocimetrymentioning

confidence: 99%

“…By using latest solid-state laser and CMOS camera technology the repetition rate can be boosted to several 10 kHz. PIV is ideally suited to be combined with planar laser-induced fluorescence (PLIF) to give insights into flame-turbulence interactions [28,29]. Combining LDV with PLIF as demonstrated in [30] is much more laborious.…”

Section: Particle Image Velocimetrymentioning

confidence: 99%

“…By monitoring a combustion generated intermediate species the instantaneous location of reaction zones or flame fronts are measurable. Especially in combination with PIV flame-turbulence interactions can be visually and quantitatively studied [28,29].…”

Section: Concentration Measurements In Turbulent Flamesmentioning

confidence: 99%

“…The turbulent opposed jet configuration is presented in Fig. 1 and was described in more detail in [17,28,[58][59][60]. A snapshot of the flame is shown at the right hand side of Fig.…”

Section: Planar High-speed Diagnosticsmentioning

confidence: 99%

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Experiments for Combustion-LES Validation

Böhm

Brübach

Ertem

et al. 2008

Flow Turbulence Combust

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Designs of future combustors increasingly rely on numerical combustion simulations. Large-eddy simulation (LES) emerged as a method to better describe turbulence than Reynolds-averaged Navier-Stokes (RANS) approaches. Processes at the subgrid scale, however, need to be modelled. Validation using comprehensive and reliable experimental data sets is therefore a crucial part in the development of combustion-LES. Using well-defined benchmark flames and advanced laser diagnostics, different physical and chemical quantities can be precisely measured with high temporal and reasonable spatial resolution. In this contribution, quantities important to combustion-LES validation and the most frequently used laser diagnostic methods are briefly reviewed. New challenges in the field of diagnostics at high repetition rates and at walls are highlighted. In a closing chapter, some critical aspects on the comparison of experimental measurands and combustion-LES-predicted counterparts are discussed.

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Section: Particle Image Velocimetrymentioning

confidence: 99%

“…Ideally, this is done in the flame under investigation. In [28] a strategy is presented to reduce the impact of experimental noise on the PIV-processed velocities.…”

Section: Particle Image Velocimetrymentioning

confidence: 99%

Section: Particle Image Velocimetrymentioning

confidence: 99%

Section: Concentration Measurements In Turbulent Flamesmentioning

confidence: 99%

“…The turbulent opposed jet configuration is presented in Fig. 1 and was described in more detail in [17,28,[58][59][60]. A snapshot of the flame is shown at the right hand side of Fig.…”

Section: Planar High-speed Diagnosticsmentioning

confidence: 99%

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