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turbulent flame

Computational Investigation of Weakly Turbulent Flame Kernel Growths in Iso-Octane Droplet Clouds in CVC Conditions

Computational Investigation of Weakly Turbulent Flame Kernel Growths in Iso-Octane Droplet Clouds in CVC Conditions

... of turbulent flame kernel growths in monodisperse clouds of iso-octane liquid droplets are conducted in conditions relevant to constant volume ...of flame propagation in constant volume combustion ...

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Equivalence ratio gradient effects in a stratified isooctane/air turbulent flame front

Equivalence ratio gradient effects in a stratified isooctane/air turbulent flame front

... unstratified flame, a weak mixture fraction induces an increase in FSD, whereas progressively stronger gradients show progressively lower FSD ...increased flame front wrinkling, corrugation and ...

8

OH/CH2O/3-Pentanone PLIF applied to a stratified isooctane/air turbulent flame front

OH/CH2O/3-Pentanone PLIF applied to a stratified isooctane/air turbulent flame front

... depict flame front behaviour where variations in fuel concentration affect local flame structure, propagation velocity, wrinkling, thickness, flammability limits, and heat ...on flame properties in a ...

7

The influence of hydrogen enrichment on the topology of a lean, methane/air turbulent V-flame

The influence of hydrogen enrichment on the topology of a lean, methane/air turbulent V-flame

... each flame condition outlined in Table ...instantaneous flame topology, turbulent flame speed S T , turbulent flame brush thickness δ T , flame surface density Σ, and ...

7

Flame front behaviour in a stratified iso-octane/air turbulent V-flame

Flame front behaviour in a stratified iso-octane/air turbulent V-flame

... stratified flame conditions and were used to identify the location of the stoichiometric streamline as well as the average mixture strength at the mean position of the flame front, 〈c〉 = ...the ...

7

Influence of flame-holder temperature on the acoustic flame transfer functions of a laminar flame

Influence of flame-holder temperature on the acoustic flame transfer functions of a laminar flame

... a turbulent flame, controlled the level of self-sustained ...methane/air flame is stabilized on a cylinder where the temperature of this cylinder is controlled by water ...different flame ...

10

Significance of flame-spread results

Significance of flame-spread results

... / 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[r] ...

9

Rotating turbulent dynamos

Rotating turbulent dynamos

... We began by studying quasi-twodimensional flows which are obtained in the limit of fast rotation. The hydrodynamic flow was first studied for two types of forcing, one has non-zero mean helicity (helical forcing) and the ...

149

Comparison of Flame-Spread Tests

Comparison of Flame-Spread Tests

... three tests which were compared were the SS-A-118a test previously referred to, and two tests which have not been used in the form described at laboratories other than Madison. Thus the [r] ...

9

Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame

Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame

... the flame symmetry results in an inter­ ference between the two ...the flame holder could be the control of combustion instabilities by tuning the location of the dips in the ...

10

Influence of lignocellulosic substrate and phosphorus flame retardant type on grafting yield and flame retardancy

Influence of lignocellulosic substrate and phosphorus flame retardant type on grafting yield and flame retardancy

... We previously reported [ 20 ] the comparison between chemical modification by condensation and radiation grafting of vinyl phos- phonic acid (VPA) on flax fabrics. In chemical modification by con- densation reaction, ...

14

Remarks on a flame propagation model

Remarks on a flame propagation model

... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...

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A turbulent premixed flame propagation model for the wrinkled flame regime

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] ...

6

Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame

Impact of symmetry breaking on the Flame Transfer Function of a laminar premixed flame

... laminar flame has been observed before ...the flame tip movement is analysed. Figure 9 shows the flame tip position of the per­ turbed upper and lower flame branches with re­ spect to their ...

9

Flame–wall interaction effects on the flame root stabilization mechanisms of a doubly-transcritical LO2/LCH4 cryogenic flame

Flame–wall interaction effects on the flame root stabilization mechanisms of a doubly-transcritical LO2/LCH4 cryogenic flame

... investigate flame root sta- bilization mechanisms for a doubly transcriti- cal LO 2 /LCH 4 combustion in the Mascotte test rig [13] ...on flame root stabilization, by considering the unsteady con- jugate ...

10

Prediction of combustion noise of an enclosed flame by simultaneous identification of noise source and flame dynamics

Prediction of combustion noise of an enclosed flame by simultaneous identification of noise source and flame dynamics

... the flame re- sponse at discrete frequencies from repeated LES runs with harmonic flow forcing, a broadband ex- citation signal is applied at the LES ...non-linear flame response, which can not be ...

9

Brominated flame retardants: heroes or enemies?

Brominated flame retardants: heroes or enemies?

... ON MOBILE PHONES, HOUSEHOLD FURNITURE AND EVEN CHILDREN’S TOYS, BROMINATED FLAME RE- TARDANTS (BFRS) ARE EVERYWHERE. THEIR ROLES? TO REDUCE IGNITION RATE AND COM- BUSTION OF OBJECTS IN CASE OF FIRE. HOWEVER, IN ...

2

Prediction of combustion noise of an enclosed flame by simultaneous identification of noise source and flame dynamics

Prediction of combustion noise of an enclosed flame by simultaneous identification of noise source and flame dynamics

... by turbulent flames, one should distin- guish between unconfined and enclosed configu- ...neglected: flame intrin- sic thermoacoustic (ITA) feedback may establish a two-way coupling between flame and ...

10

The flame preheating effect on numerical modelling of soot formation in a two-dimensional laminar ethylene-air diffusion flame

The flame preheating effect on numerical modelling of soot formation in a two-dimensional laminar ethylene-air diffusion flame

... 3.2. Velocity profiles above the nozzle exit Figure 4 shows the radial velocity profiles along the axial direction at r = 0.545 which is the inner radius of the fuel nozzle. It illustrates that in simulation 1, air ...

17

Solid temperature prediction in downward flame propagation

Solid temperature prediction in downward flame propagation

... Measurements of the temperature distribution ahead of the flame front in vertical downward flame propagation over the surface of PMMA material have been reported [13,1[r] ...

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