Method for determination of fuel thermal stability

Details Method for determination of fuel thermal stability Method for determination of fuel thermal stability

2007-11-20

2007-11-20

Porta, David (Department: 2884)

Radiant energy

Luminophor irradiation

Methods

C250S458100, C356S318000

Reexamination Certificate

active

11415860

ABSTRACT:
A method of evaluating thermal stability of a fuel and an apparatus used therein. The method includes heating the fuel to a given temperature, directing light through the heated fuel a first time wherein the light is of an intensity and of a wavelength to induce fluorescence and obtaining a first fluorescence data, directing the light through the fuel at least a second time that is later in time and obtaining a second fluorescence data, and measuring any changes to fluorescence from the heated fuel over time.

REFERENCES:
patent: 5198871 (1993-03-01), Hill et al.
patent: 5223718 (1993-06-01), Taboada
patent: 5424959 (1995-06-01), Reyes et al.
patent: 5468262 (1995-11-01), Acker et al.
patent: 5472878 (1995-12-01), Lewis et al.
Naegeli, David W., “Thermal Stability of Jet Fuels: Kinetics of Forming Deposit Precursors.” Final Report for NASA Contract No. NAG 3-1739, NASA Technical Reports [online], Jun. 1997 [retrieved on Nov. 14, 2006]. Retrieved from the Internet: <URL: http:/
trs.nasa.gov/archive
asa/casi.ntrs.nasa.gov/19970025575—1997040925.pdf>.

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