Numerical Study of the Influence of Ambient Pressure on the Inerting Effect of an Aircraft Fuel Tank Inerting System

Dong Jie Liu

doi:10.4028/www.scientific.net/AMR.1061-1062.1140

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1061-1062Numerical Study of the Influence of Ambient...

Numerical Study of the Influence of Ambient Pressure on the Inerting Effect of an Aircraft Fuel Tank Inerting System

Abstract:

The numerical study of the influence of the ambient pressure of the fuel tank on the inerting effect of an aircraft fuel tank inerting system was carried out. The mathematical model of ullage equilibrium oxygen concentration has been established using the differential time calculation method based on the mass conservation and ideal gas state equations. The variations of ullage oxygen concentration and dissolved oxygen concentration in the fuel with time under different working conditions have been obtained. The results have shown that the as the ambient pressure of the fuel tank became lower, the speed of the decreasing of oxygen concentration of the fuel tank ullge and the dissolved oxygen concentration of the fuel was slower.

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Periodical:

Advanced Materials Research (Volumes 1061-1062)

Pages:

1140-1143

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.1140

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Online since:

December 2014

Authors:

Dong Jie Liu*

Keywords:

Ambient Pressure, Fuel Tank Inerting System, Inerting Effect, Numerical Study

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References

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