1.中国民用航空沈阳航空器适航审定中心,沈阳 110043
2.沈阳航空航天大学,沈阳 110136
3.辽宁通用航空研究院,沈阳 110136
卢少微(1973-), 男, 博士, 教授。 E-mail: lushaowei_2005@163.com
收稿:2025-06-24,
修回:2026-04-23,
网络首发:2026-04-30,
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刘秀芝,郭义林,卢少微,等. 某型机复合材料结构全尺寸试验验证技术研究[J]. 航空工程进展.
LIU Xiuzhi,GUO Yilin,LU Shaowei, et al. Research on full-scale test verification technology of composite structure of a certain type airplane[J]. Advances in Aeronautical Science and Engineering.(in Chinese)
全尺寸结构试验作为“积木式”验证体系的最高层级,直接关系到飞机复合材料结构适航审定的成败。为了证明某型23部正常类通用飞机复合材料机体结构符合CCAR 23部和AC20-107B的相关要求,首先分析和探讨全尺寸静力、疲劳及损伤容限试验的规划与实施技术;其次,针对首次全尺寸静力试验中机翼根部发生断裂的问题,使用计算分析与试验验证相结合的方法,提出设计更改方案并依据“积木式”方法设计机翼根部组合件试验,验证改进方案的有效性;最后,优化后的结构顺利通过了全尺寸极限载荷试验,其结果证明了复合材料机体结构符合适航条款相关要求。本文的分析、改进、试验设计以及适航验证过程可为同类型飞机的符合性验证提供有益参考。
As the highest level of BBA verification system, full-scale structure test is directly related to the success of aircraft composite structure airworthiness certification. In order to prove that the composite material airframe structure of a certain type of CCAR-23 normal category general aircraft complies with the relevant requirements of CCAR 23 and AC20-107B, firstly, this paper analyzes and discusses the planning and implementation techniques of full-scale static, fatigue and damage tolerance tests; Secondly, in order to solve the issue of wing root fractures failure during the first full-scale static test, a method combining computational analysis and experimental verification was used to propose a design modification and to design a wing root assembly test which was based on the BBA to verify the effectiveness of the improvement scheme. Finally, the optimized structure successfully passed the full-scale ultimate load test and the test results proved that the composite material airframe structure of this aircraft meets the relevant requirements of airworthiness regulations. The analysis, modification, test design and airworthiness certification process provide an important reference for the compliance verification of similar type aircrafts.
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