Surrogate mixtures for modeling the thermophysical properties of aviation fuel

M. Huber1 and T. Bruno1

1National Institute of Standards and Technology, Boulder CO USA

Keywords: surrogate, jet fuel, model
property: distillation curve, density, cetane number
material: jet fuel

We develop surrogate mixture models to represent the thermophysical properties of aviation turbine fuel Jet-A. Some of the properties considered are density, sound speed, viscosity, thermal conductivity, refractive index, cetane number, and the volatility (as indicated by advanced distillation curves). We will attempt to address the compositional variability seen among different batches of Jet-A fuel. The surrogates are simple mixtures containing ten or fewer components, yet they can represent with low uncertainty the thermophysical properties of actual real fluids that are very complex mixture of hundreds of components.

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