Jet Diffusion Flames
Measurement of Smoke Point in Laminar Jet Diffusion Flames at Atmospheric and Elevated Pressures
... laminar jet diffusion flame burner, and found the flame’s height at its smoke point were twice as long as soot-free (blue) flames under the same ...laminar jet diffusion flames ...
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Investigations of the Impact of Low Strength Gradient Magnetic Fields on Jet Diffusion Flames
... laminar jet diffusion flames in the presence of gradient magnetic fields has been investigated for two different burners and the results of this experimental study are ...
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Experimental Studies on the Leading Edge and Local Extinction in Lifted-Jet Diffusion Flames
... The results of this investigation provide evidence of the crucial relationship between vortex-flame interactions and local flame extinction for various jet velocities (and therefore lift-off heights). The lift-off ...
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Study of the Jet Diffusion Flames Exposed to Moderate-Strength Gradient Magnetic Field.
... gradient magnetic field and create a magnetically induced pressure to press back other diamagnetic gases and particles. To clarify this behavior, Ueno, S. and Harada, K. [15] expanded their research to study ...
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Multiple mapping conditioning of turbulent jet diffusion flames
... laboratory flames and the assessement of the new conditional scalar dissipation model for the closure of the singly condi- tioned CMC equation is the major novelty of this ...
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Study of Finite-Rate Chemistry Effects on Turbulent Jet Diffusion Flames and Non-homogeneous Autoigntion Using the One-Dimensional Turbulence Model
... three flames with different volume dilution are observed in similar shape of conditional means temperature profiles, which means dilution does not significantly affect flame ...
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Soot Formation in Laminar Jet Diffusion Flames at Elevated Pressures
... These flames were also at their velocity- matched smoke point heights, which changed with each diluent, dilution level (0% to 40% by volume), and ...these flames was a reduction in soot surface temperature ...
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Multiple mapping conditioning of turbulent jet diffusion flames
... Permanent repository link: http://openaccess.city.ac.uk/13366/ Link to published version: http://dx.doi.org/10.1016/j.proci.2008.06.164 Copyright and reuse: City Research Online aims to [r] ...
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Numerical Investigation of an Impinging Diffusion Flames Effects of Fuel Variability
... impinging jet diffusion flames is used. The jet injector has a 10 mm in diameter and the dis- tance between the jet flame and the vertical wall is 2 time half ...fuel jet ...
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Investigations of Partially Premixed Jet Flames in Co-flow air in the presence of Electric Fields.
... a diffusion flame with and without co-flow ...turbulent flames with and without ...for jet diffusion ...stable flames can exist at any flow rate ...
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The Effect of Elevated Pressure on Soot Formation in a Laminar Jet Diffusion Flame
... Flower & Bowman (1986) and Miller & Maahs (1977) have done the majority of research on soot production in laminar diffusion flames at elevated pressures. As stated in § 1.2, the work of Flower & ...
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Local Flame Stabilization Mechanisms in Turbulent Non-Premixed Jet Flames in Vitiated Coflow by Particle Image Velocimetry.
... Turbulent jet in vitiated coflow is generated by the burner setup designed by Ramachandran [11]. Vitiated coflow conditions are generated by stabilizing the flame on copper plate. This setup is modified to create ...
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Effects of Differential Diffusion on the Mutual Annihilation of Two Premixed Hydrogen-Air Flames
... the flames including the ‘preheat’ layers and the reaction ...differential diffusion may be identified for these interactions and subsequent effects on the following ...differential diffusion from ...
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Structure of Methane Inverse Diffusion Flames with Pre-heated Co-flowing Simulated Combustion Products
... oscillate at a very low frequence which short exposure time can reduce the uncertainty when image gets captured, but with co-flowing simulated combustion products, the outer flame becomes highly unstable which the flame ...
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An Experimental Study of Flame Stabilization Mechanisms in Turbulent Non-premixed Jet Flames Under Autoignitive Conditions.
... the drawback of limited temporal resolution, the effect of spatial averaging is not severe enough to affect the inferences drawn in this work. The imaging field of view extended from x/D = 18 to x/D = 83, as shown in ...
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Effect of CO2 Dilution on the Structure and Emissions from Turbulent, Non-premixed Methane-Air Jet Flames
... From examination of the consequent changes in the flame temperature, stability, 22 species mass fractions and emission indices of the jet flames, the results show a significant influence[r] ...
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Stochastic multiple mapping conditioning for a piloted, turbulent jet diffusion flame
... Different models have been suggested in the literature for the closure of the mixing term. Simple models that are easy to implement such as the “inter- action by exchange with the mean” (IEM) [5,6] and the various Curl’s ...
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The VLT-FLAMES Tarantula Survey
... Most quantitative analyses of stellar spectroscopy have im- plicitly or explicitly assumed that their targets have evolved as single stars. However, it has recently become apparent that most early-type stars are in ...
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Effects of crosswind and burner aspect ratio on flame characteristics and flame base drag length of diffusion flames
... gas diffusion flames on rectangular ...“blue flames” in the upstream edge of the main diffusion flames just above the burner in relatively strong winds was ...
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The stability of laminar explosion flames
... muliplication by the chemical reaction time in a laminar flame. The experimetnally measured dependencies of this key parameter on pressure and Markstein number are reported for the first time for so many different fuels. ...
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