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Improvements in the Measurement of Distillation Curves. 2. Application to Aerospace/Aviation Fuels RP-1 and S-8^†

Addition/Correction

Thomas J. Bruno* and Beverly L. Smith

Physical and Chemical Properties Division, National Institute of Standards and Technology, Boulder, Colorado 80305

Ind. Eng. Chem. Res., 2006, 45 (12), pp 4381–4388

DOI: 10.1021/ie051394b

Publication Date (Web): May 10, 2006

†

Contribution of the United States Government. Not subject to copyright in the United States.

To whom correspondence should be addressed. E-mail: bruno@boulder.nist.gov. Telephone: 303-497-5158. Fax: 303-497-5927.

Abstract

In a previous paper, a number of improvements in the method and apparatus used for the measurement of distillation curves for complex hydrocarbon fluid mixtures were presented. These improvements included the addition of a composition-explicit channel of data, improved temperature control and measurement, and improved and less uncertain volume measurement. In this paper, we demonstrate the improved approach with application to two complex hydrocarbon fluids, rocket propellant 1 (RP-1) and a synthetic JP-8 that is designated as S-8. RP-1 is a long-established hydrocarbon fuel that continues to be widely used since it was first developed in the 1950s. Modern versions of this fluid are produced from a narrow-range kerosene fraction that is processed to reduce unsaturated compounds and also sulfur-containing hydrocarbons. S-8 is a synthetic substitute for fluids such as JP-8 and Jet-A. It is produced with the Fischer Tropsch process from natural gas. As these new and reformulated fluids gain increasing application, especially in aviation/aerospace application, it will be increasingly important to have material characterization test procedures that are reproducible and that have a sound and fundamental basis. This will allow modeling of the properties and guide further refinement of the fluids.

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