Title

Spontaneous Ignition Of Low-Concentration Nano-Sized Al-Water Slurry

Keywords

Al-water slurry; Spontaneous ignition

Abstract

Spontaneous ignition of a nano-sized aluminum (Al) particles-water slurry using a hot plate was investigated. The aluminum weight fractions were 17% and 27%. The hot plate temperatures ranged from 303 to 343K. For all experimental conditions used, ignition was observed to occur at about 321K and it was followed by a rapid temperature increase to above the boiling temperature of the water. Although the thermal runaway condition did not occur until the slurry reached a temperature of 321K, it was able to react at a temperature as low as 303K and develops sufficient heat for the slurry to reach the ignition condition. The ignition kinetic data were determined showing that E/R=28619.66 (K) and k=1.2644×1037K/s for the slurry containing 17% aluminum and, the value of k was about 2.398×10m37K/s for those having 27% aluminum by weight. © 2012.

Publication Date

1-1-2013

Publication Title

Applied Energy

Volume

101

Number of Pages

567-571

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.apenergy.2012.06.033

Socpus ID

84869882635 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/84869882635

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