Characteristics of flat, laminar coal-dust flames

Horton, M. D.; Goodson, F.P.; Smoot, L.D.

doi:10.1016/0010-2180(77)90024-4

Cited by 59 publications

(18 citation statements)

References 3 publications

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“…These methods also present some drawbacks: for example, the conditions are very dependent on the burner's characteristics and the experimental set-up must be optimized in order to keep the flame locked at the top of the burner, as reported by Dahoe et al (2002), Horton et al (1977) or Kolbe (2001).…”

Section: Introductionmentioning

confidence: 99%

MIE and flame velocity of partially oxidised aluminium dust

Bernard

Gillard

Foucher

et al. 2012

Journal of Loss Prevention in the Process Industries

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This work presents experimental tools for the determination of Minimum Ignition Energy (MIE) and results concerning the influence of an initial oxidation state on ignition threshold energies and flame velocity. These studies are carried out with micrometric aluminium particles which are oxidised using an anodising process. The first part of this work concerns the description of the experimental devices (Hartmann tube, for MIE measurements, and constant volume combustion chamber for flame velocity measurement with using high speed recording shadowgraphy). In the second part, a review of some results obtained for the sensitivity (MIE) of aluminium particle evolution versus particle diameter, air-fuel equivalence ratio and oxide content is presented. The effect of the oxide content is demonstrated: the MIE increases with the initial oxide content. The sensitivity of oxidised dust remains relatively high for high oxide contents (17.1wt%). The flame velocity is also modified and decreases as the oxide content increases. The most important result seems to be the role of the water content contained in the oxide shell which increases the reactivity of the oxidised aluminium dust.

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Section: Introductionmentioning

confidence: 99%

MIE and flame velocity of partially oxidised aluminium dust

Bernard

Gillard

Foucher

et al. 2012

Journal of Loss Prevention in the Process Industries

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“…The flame has a maximum flame propagation speed of 13.75 m/s at 14 ms. From 14 to 33 ms, the speed is reduced. The flame propagation speed is much higher than that of single-coal dust flame reported by previous literatures, which was 0.2-0.8 m/s (Horton, Goodson, & Smoot, 1977;Slezak, Fitch, Krier, & Buckius, 1983). It is also much higher than those of other dust flame.…”

Section: Behaviors Of Flame Propagationmentioning

confidence: 48%

Flame propagation in hybrid mixture of coal dust and methane

Liang

Sun

Chen

2007

Journal of Loss Prevention in the Process Industries

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“…Sometimes acoustic standing waves take place in the tube leading to distortion of the flame front and growth in the rate of combustion (Eckhoff, 1997). Burner techniques (Dahoe et al, 2002;Horton, Goodson, & Smoot, 1977;Kolbe, 2001;Mazurkiewicz & Jarosinski, 1990) also highlight some problems. This method shows a clear dependence of the burning velocity on the burner diameter (Cassel, 1964;Kolbe, 2001).…”

Section: Particle Size Of 15 μMmentioning

confidence: 96%