| Citation: | ZHANG Gong, HE Xin, FENG Jianwen, et al. Principle and application of engine structure certification[J]. Journal of Aerospace Power, 2023, 38（8）：2034-2041 doi: 10.13224/j.cnki.jasp.20210638
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The basic principle and workflow of civil engine structure certification was established to form a closed-loop system from airworthiness requirement formulation and compliance verification to maintain engine safety in service, by using failure design management, stress-strength interference model, and study of characteristics and operation conditions on typical structure component. Engine part failure modes were analyzed following the established workflow, with the key points of the 12 engine structure regulatory sections identified. Consequence and controllability of each potential failure mode determined the applicable regulatory requirements for each engine part as well as their intrinsic associations. A special condition case and an exemption case were employed as two examples to further discuss the safety intention of the regulatory requirements and application of the principle in deviation treatment.
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