Thermodynamic Analysis of Fuel Vapor Characteristics in an Aircraft Fuel Tank Ullage.
Thermodynamic Analysis of Fuel Vapor Characteristics in
an Aircraft Fuel Tank Ullage.
(304 K)
Huber, M. L.; Yang, J. C.
Fire Safety Journal, Vol. 37, No. 5, 517-524, July
2002.
Keywords:
aircraft fuel tanks; ullage; explosion hazards;
thermodynamics; fuel/air mixtures; JP-1 jet fuel;
aircraft explosions
Abstract:
As a prerequisite to a comprehensive analysis of
aircraft fuel tank fire and explosion hazards, a
vapor-liquid equilibrium thermodynamic analysis was
developed to assess the fuel vapor behavior in an
aircraft fuel tank ullage. The analysis was based on the
Peng-Robinson equation of state and the extended
corresponding-states method. Jet-A fuel was treated as a
pseudo single-component fluid. The calculated fuel/air
mass ratios followed the trend observed in previous
measurements.
Building and Fire Research Laboratory
National Institute of Standards and Technology
Gaithersburg, MD 20899