Spherically symmetric droplet combustion of three and four component miscible mixtures as surrogates for Jet-A

Proceedings of the Combustion Institute, Volume 34, Issue 1, 2013, Pages 1569–1576
Spherically symmetric droplet combustion of three and four component miscible mixtures as surrogates for Jet-A
Yu Cheng Liu, Anthony J. Savas, C. Thomas Avedisian
Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA
Abstract
Describes the droplet combustion characteristics of three and four component miscible liquid mixtures and compares the results with an aviation fuel (Jet-A) burning under the same conditions. The configuration used in the comparison is the base case of spherical symmetry, in which the droplet and flame are spherical and concentric.
Mixtures consisting of n-decane/iso-octane/toluene and n-dodecane/iso-octane/1,3,5-trimethylbenzene/n-propylbenzene in specific molar ratios of 42.67/33.02/24.31 and 40.41/29.48/7.28/22.83, respectively, were previously shown to replicate certain gas phase combustion properties of Jet-A. Researchers evaluated these specific blends for their ability to replicate combustion properties derived from the spherically symmetric case. The data compared include the evolution of the droplet, flame and soot shell diameters. Results indicate the potential of combustion properties derived from spherically symmetric droplet combustion to assist with developing surrogates for complex transportation fuels.
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