Premixed flame
The effect of the degree of mixing on the partially-premixed flame speed
... 1 + C + (18) It is an assembling of the solutions for weakly curved flames and for the Laplacian-dominated equation. TEST AGAINST DIRECT NUMERICAL SIMULATIONS AND DISCUSSION Direct simulations are conducted using a ...
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Premixed flame instability in a Hele Shaw burner
... Summary: Experiments were performed with propane- and methane-air mixtures in a 2D-Hele-Shaw burner to determine the characteristic scales of the premixed flame instability that can be used to define an ...
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Measurements and modeling of laser-induced incandescence of soot at different heights in a flat premixed flame
... https://doi.org/10.1007/s00340-015-6014-3 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Measurements and modeling of laser-induced incandescence of soot at ...
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Isolating strain and curvature effects in premixed flame/vortex interactions
... at (or close to) the leading edge is not substantially influenced by the heat release, contrary to the reaction zone where the increase in e.g. fluid viscosity is important and strongly alters the turbulence statistical ...
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Interaction of a Laminar Premixed Flame with a Vortex
... grid. Premixed mixture is accelerated in the converging section with a 15 mm outflow diameter (D), creating an upward-oriented jet with a top hat velocity ...improve flame stability, a laminar coaxial ...
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Isolating strain and curvature effects in premixed flame/vortex interactions
... of premixed flames to a transient hydrodynamic perturbation in an intermediate situation between laminar stretched flames and turbulent flames: an axisymmetric vortex interacting with a ...and flame ...
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A turbulent premixed flame propagation model for the wrinkled flame regime
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. Access and use of [r] ...
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Effects of hydrogen and steam addition on laminar burning velocity of methane–air premixed flame: Experimental and numerical analysis
... the equivalence ratio is varied from 0.6 to 1.4. 4. Results and discussion 4.1. Laminar burning velocity of methane/air flame Fig. 2 shows the calculated and measured laminar burning velocity as a function of ...
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LES of longitudinal and transverse self-excited combustion instabilities in a bluff-body stabilized turbulent premixed flame
... Turbulent premixed flames a b s t r a c t Combustion dynamics of a V-flame in an afterburner-type configuration are investigated using high-order compressible large eddy simulations (LES) and compared to experimental ...
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Do turbulent premixed flame fronts in spark-ignition engines behave like passive surfaces?
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’s[r] ...
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Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame
... laminar flame with tuna b le asymmetry. A V-shaped prernixed flame is sta b ilised in the wake of a cylindrical flame holder that can be ...the flame holder is fixed b ut increasing its ...
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Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame
... laminar flame with tuna b le asymmetry. A V-shaped prernixed flame is sta b ilised in the wake of a cylindrical flame holder that can be ...the flame holder is fixed b ut increasing its ...
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Scale analysis of the flame front in premixed combustion using Proper Orthogonal Decomposition
... methane/air premixed flame is generated via an axisymetric Bunsen burner with D = 25 mm in ...instantaneous flame front is captured by means of laser tomography using a 15W 532 nm continuous laser ...
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Dynamics and control of premixed combustion systems based on flame transfer and describing functions
... on premixed flame dynamics interacting with acoustic ...of premixed flames to incoming flow perturbations, highlight the role of acoustic radiation in their stability, identify modes associated with ...
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Effects of H2 and H preferential diffusion and unity Lewis number on superadiabatic flame temperatures in rich premixed methane flames
... and Flame 143 (2005) 264–281 265 is of great fundamental and practical ...2 flame, Meeks et al. [1] found that the flame temperature exceeds the adiabatic temper- ature, which is somewhat unusual in ...
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Laser-induced incandescence measurements in a laminar co-annular non-premixed methane/air flame at a pressure of 0.5 - 4.0 MPa
... Institute for Chemical Processes and Environmental Technology National Research Council of Canada, Ottawa, Canada Auto-compensating laser-induced incandescence (AC-LII) was applied to a high pressure non-premixed ...
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Dynamics and control of premixed combustion systems based on flame transfer and describing functions
... on premixed flame dynamics interacting with acoustic ...of premixed flames to incoming flow perturbations, highlight the role of acoustic radiation in their stability, identify modes associated with ...
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Correspondence Between “Stable” Flame Macrostructure and Thermo-acoustic Instability in Premixed Swirl-Stabilized Turbulent Combustion
... between flame macrostructures and dynamic stability has been observed but few systematic investiga- tions of this relationship, spanning all possible macrostructures were ...the flame macrostructures to ...
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Flame describing functions of a confined premixed swirled combustor with upstream and downstream forcing
... swirler with six holes of radius R ¼ 3 mm (contraction ratio: 7.41) creates a rotating flow characterized by a swirl number S ¼ 0.8. The swirl number was measured by Laser Doppler Velocimetry 2 mm away from the conical ...
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Flame describing functions of a confined premixed swirled combustor with upstream and downstream forcing
... swirler with six holes of radius R ¼ 3 mm (contraction ratio: 7.41) creates a rotating flow characterized by a swirl number S ¼ 0.8. The swirl number was measured by Laser Doppler Velocimetry 2 mm away from the conical ...
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