By Roy G.D. (ed.)
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Future research and development should address large-scale production of these fuels, rheology studies, and full-scale engine demonstrations using these fuels. Reduced kinetics studies of fuels have led to signiﬁcant simpliﬁcation in component performance and systems analysis. However, heavier hydrocarbons require further systematic study, and the reaction pathways need to be identiﬁed. Though heat release and turbulent reacting ﬂows have been widely studied numerically, more accurate models are evolving, and their validation and utilization as a predictive tool are warranted.
The eﬀect of counterﬂow on the development of compressible shear layers. J. Fluid Mechanics 308:63–96. 7. Gutmark, E. , K. S. Schadow, and K. H. Yu. 1997. Mixing enhancement in supersonic free shear ﬂows. Annual Reviews Fluid Mechanics 27:375–417. 8. Baer, D. , M. E. Newﬁeld, N. Gopaul, and R. K. Hanson. 1994. Multiplexed diode laser sensor system for simultaneous H2 O, O2 and temperature measurements. Optic Letters 19(22):1900–2. 9. Strykowski, P. , and D. J. Forliti. 2000. Flow control applications using countercurrent shear.
The boiling point (80 ◦ C) is signiﬁcantly below the average value of conventional fuels such as JP-10 (280 ◦ C). Corin Segal, at the University of Florida, has shown that mixtures of methylated pentacyclyic undane (PCU) alkane dimer in kerosene lead to the formation of vapors early in the droplet lifetime resulting in eﬀervescent droplet boiling. Increased acceleration in the droplet breakup and vaporization are achieved due to added high-energy release rates (Chapter 5). Due to the higher carbon-to-hydrogen ratios of these novel heavy hydrocarbon fuels, soot is an issue and elimination of soot is an important aspect of the research.