Evaporation characteristics of the 3-pentanone–isooctane binary system

Evaporation characteristics of the 3-pentanone–isooctane binary system The results of a numerical and experimental investigation into the evaporation characteristics of the 3-pentanone–isooctane binary system are presented. The behaviour of the system is shown to be nonideal, exhibiting positive deviations from Raoult's law. Thus, the evaporation characteristics of 3-pentanone–isooctane mixtures are shown to be controlled by the relative mole fractions of the two components contained within the liquid phase. The preferential evaporation of 3-pentanone from mixtures containing low concentrations of 3-pentanone is predicted numerically and is confirmed experimentally. The implications of this result with respect to the use of 3-pentanone as a fluorescence marker for isooctane fuel in engine research are discussed at length. The influence high 3-pentanone concentrations on the atomisation behaviour and the optical depth of 3-pentanone–isooctane mixtures is predicted and discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Experiments in Fluids Springer Journals

Evaporation characteristics of the 3-pentanone–isooctane binary system

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Publisher
Springer-Verlag
Copyright
Copyright © 2003 by Springer-Verlag
Subject
Engineering
ISSN
0723-4864
eISSN
1432-1114
D.O.I.
10.1007/s00348-003-0639-4
Publisher site
See Article on Publisher Site

Abstract

The results of a numerical and experimental investigation into the evaporation characteristics of the 3-pentanone–isooctane binary system are presented. The behaviour of the system is shown to be nonideal, exhibiting positive deviations from Raoult's law. Thus, the evaporation characteristics of 3-pentanone–isooctane mixtures are shown to be controlled by the relative mole fractions of the two components contained within the liquid phase. The preferential evaporation of 3-pentanone from mixtures containing low concentrations of 3-pentanone is predicted numerically and is confirmed experimentally. The implications of this result with respect to the use of 3-pentanone as a fluorescence marker for isooctane fuel in engine research are discussed at length. The influence high 3-pentanone concentrations on the atomisation behaviour and the optical depth of 3-pentanone–isooctane mixtures is predicted and discussed.

Journal

Experiments in FluidsSpringer Journals

Published: Jun 18, 2003

References

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