The Effect of Water Droplet Size on the Extinguished Concentric Jet Premixed and Diffusion Flame

Mega Nur Sasongko

doi:10.4028/www.scientific.net/AMM.493.173

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 493The Effect of Water Droplet Size on the...

The Effect of Water Droplet Size on the Extinguished Concentric Jet Premixed and Diffusion Flame

Abstract:

The present research experimentally investigated the effect of different water droplet size on the burning behavior and extinction condition of concentric jet premixed and diffusion flame. Water droplet stream in line with flowing air from lower duct. The burning behavior of concentric jet flame was observed and the extinction of flame was gained by decreasing the flow rate of fuel until the flame exthinguised. The results showed that the burning behavior of concentric jet diffusion and premixed flame had the same tendency. Different water droplet size influenced the burning behavior of flame. Decreasing the water droplet size, luminosity of the flame became thin as well as reducing the flame height. However, the inhibition effect of water droplet was stronger for diffusion flame compared to premixed flame. For smaller water droplet size, water droplet was four times more effective for suppressing the diffusion flame than premixed flame

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Periodical:

Applied Mechanics and Materials (Volume 493)

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173-178

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.493.173

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Online since:

January 2014

Authors:

Mega Nur Sasongko

Keywords:

Concentric Jet Flame, Diffusion Flame, Premixed Flame, Water Droplet Size

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