| Citation: | YANG Wenju, SHAO Lei, ZENG Xianjun, et al. Influence of cruise altitude on water contaminant formation in aircraft fuel tank[J]. Journal of Aerospace Power, 2024, 39（7）：20220487 doi: 10.13224/j.cnki.jasp.20220487
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In order to study the systematic influence of cruise altitude on the generation of water contaminant in the fuel tank, a water contaminant generation model was established based on the heat and mass transfer equation, and the generation characteristics of dissolved water, suspended water, condensed water and free water in the fuel tank at different cruise altitudes were calculated. The results showed that: a majority of suspended water generated during the climbing phase, and the higher cruise altitude indicated the more suspended water, the amount of suspended water produced at 11 km of cruise altitude was 5.5% greater than at 7 km of cruise altitude; a majority of condensed water was produced during the cruise phase, and the total amount of condensed water decreased as cruise altitude rose, at 11 km of cruise altitude, the amount of condensed water produced was 34.4% less than at 7 km of cruise altitude; the total amount of free water generated increased as cruise altitude rose, but the rate gradually slowed down, at 9 km of cruise altitude, free water generation was 1.88% higher than at 7 km, and at 11 km of cruise altitude, it was 0.92% higher than at 9 km.
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