| Citation: | LÜ Xufei, YAO Shanghong, DU Mingjie. Analysis of inerting index when inerting capability of aircraft fuel tank was degraded[J]. Journal of Aerospace Power, 2023, 38（5）：1067-1074 doi: 10.13224/j.cnki.jasp.20220648
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In order to clarify the degradation index of the inerting of aircraft fuel tank, some literature of fuel tank ignition test were summarized and analyzed from three aspects: test facilities, test results and the reasons for the differences between different tests. According to the results of literature analysis, the inerting of fuel tank was divided into four grades. It was found that the differences of test facilities and ignition standards were the main reasons for the differences between different test results. The high-energy ignition source test had particularity in the aspects of explosion standard, test effect factors and test results, requiring for higher inerting ability of fuel tank. The inerting capacity of aircraft fuel tank could decrease with the increase of oxygen volume fraction in mixed gas, and the safety of fuel tank varied under different inerting conditions. The degradation of inerting capacity need to consider the effect of ignition source and mixed gas pressure at the same time.
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