Numerical simulations of an evaporating bio-oil droplet

Brett, J. D., Ooi, A. and Soria, J. (2007). Numerical simulations of an evaporating bio-oil droplet. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (257-261). 3-7 December, 2007.

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Author Brett, J. D.
Ooi, A.
Soria, J.
Title of paper Numerical simulations of an evaporating bio-oil droplet
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 3-7 December, 2007
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Start page 257
End page 261
Total pages 5
Collection year 2007
Language eng
Abstract/Summary Bio-oil is a promising alternative fuel which contains a wide range of chemical components, including high molecular mass, organic compounds and a significant amount of water. This chemical structure can lead to a slow evaporation rate with the low boiling point compounds like water evaporating away from the surface while significant proportions still remain in the droplet core due to the relatively slow rate of liquid diffusion. As the droplet temperature increases, this water trapped in the core can reach a sufficiently high temperature to cause it to vapourise resulting in the droplet exploding. This study presents a numerical model of a stationary spherically symmetric evaporating bio-oil droplet in a hot ambient atmosphere. A diffusion limited model is used to investigate the effect of the large number components, including high boiling point chemicals, on the droplet evaporation rate. The numerical model simulates transient behaviour in the liquid and vapour phases by solving diffusion and heat transport equations in both phases using temperature dependent fluid properties.
Subjects 290501 Mechanical Engineering
290200 Aerospace Engineering
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

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Created: Tue, 18 Dec 2007, 16:04:10 EST by Laura McTaggart on behalf of School of Engineering