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- W4381277688 abstract "Purpose The objective of this study is to model the propagating front in the interaction of gases in an aircraft fuel tank. To this end, we introduce a nonlinear parabolic operator, for which solutions are shown to be regular. Design/methodology/approach The authors provide an analytical expression for the propagating front, that shifts any combination of oxygen and nitrogen, in the tank airspace, into a safe condition to avoid potential explosions. The analytical exercise is validated with a real flight. Findings According to the flight test data, the safe condition, of maximum 7% of oxygen, is given for a time t = 45.2 min since the beginning of the flight, while according to our analysis, such a safe level is obtained for t = 41.42 min. For other safe levels of oxygen, the error between the analytical assessment and the flight data was observed to be below 10%. Originality/value The interaction of gases in a fuel tank has been little explored in the literature. Our value consists of introducing a set of nonlinear partial differential equations to increase the accuracy in modeling the interaction of gasses, which has been typically done via algebraic equations." @default.
- W4381277688 created "2023-06-21" @default.
- W4381277688 creator A5049719217 @default.
- W4381277688 date "2023-06-01" @default.
- W4381277688 modified "2023-09-27" @default.
- W4381277688 title "Front propagation in the interaction of gases to model a fuel tank inerting process with a nonlinear parabolic operator" @default.
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- W4381277688 doi "https://doi.org/10.1108/mmms-10-2022-0224" @default.
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