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Electrostatic dispersions and evaporation of clusters of drops of high-energy fuel for soot control

Bellan, J. and Harstad, K. (1996) Electrostatic dispersions and evaporation of clusters of drops of high-energy fuel for soot control. Symposium (International) on Combustion, 26 (1). pp. 1713-1722. ISSN 0082-0784. http://resolver.caltech.edu/CaltechAUTHORS:20171019-132350571

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Abstract

A model is presented for the electrostatic dispersion of a poly disperse cluster of evaporating drops embedded into an inviscid vortex. Results from this model obtained for dense clusters of drops show that electrostatic dispersion decreases the mass fraction of the evaporating compound as well as the gas density in side the cluster. Since the sooting tendency of a fuel (through coagulation) is an increasing function of the partial density of the fuel vapor, it is inferred that electrostatic charging decreases the sooting tendency. Results indicate that the sooting tendency is a monotonically decreasing function of the charge. By using this model for different fuels, it is shown that the sooting tendency of a fuel is associated with two competing characteristic times: that of drop dispersion and that of drop evaporation. It is also shown that the drop evaporation time is directly related to the latent heat of the fuel, thereby providing a simple way to relate sooting propensity to fuel-specific properties.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/S0082-0784(96)80396-1DOIArticle
http://www.sciencedirect.com/science/article/pii/S0082078496803961?via%3DihubPublisherArticle
Additional Information:© 1996 Combustion Institute. Published by Elsevier Inc. This research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration (NASA), and under sponsorship from the Office of Naval Research, with Dr. Gabriel Roy acting as technical monitor through an interagency agreement with NASA.
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NASA/JPL/CaltechUNSPECIFIED
Office of Naval Research (ONR)UNSPECIFIED
Record Number:CaltechAUTHORS:20171019-132350571
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20171019-132350571
Official Citation:J. Bellan, K. Harstad, Electrostatic dispersions and evaporation of clusters of drops of high-energy fuel for soot control, In Symposium (International) on Combustion, Volume 26, Issue 1, 1996, Pages 1713-1722, ISSN 0082-0784, https://doi.org/10.1016/S0082-0784(96)80396-1. (http://www.sciencedirect.com/science/article/pii/S0082078496803961)
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:82506
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:19 Oct 2017 21:04
Last Modified:19 Oct 2017 21:04

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