湖北航宇嘉泰飞机设备有限公司 技术中心, 襄阳 441046
易朋飞(1982-), 男, 硕士, 高级工程师。 Email: yipf@avic.com
收稿:2026-02-15,
修回:2026-06-10,
网络首发:2026-06-25,
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易朋飞,张敏,呙杰. 运输类飞机漂浮装置浮力增值研究[J]. 航空工程进展.
YI Pengfei,ZHANG Min,GUO Jie. Research on the buoyancy increment of flotation devices for transport aircraft[J]. Advances in Aeronautical Science and Engineering.(in Chinese)
漂浮装置是运输类飞机在水上应急迫降时乘员逃生的重要安全设备,开展漂浮装置浮力增值研究有助于解决漂浮装置在允许的服役期限内浮力衰减的问题,可提升漂浮装置持续适航能力。以某型按漂浮装置标准设计的漂浮座椅垫为研究对象,分析其结构组成、浮力设计方法与实际使用场景,确定浮力衰减关键影响因素;通过对同材料、同比例构造且已服役的座椅垫开展物理参数与浮力性能测试,结合测试数据分析得出漂浮装置浮力衰减的原因,确定适配该型漂浮装置的浮力增值,并验证其适用性。研究形成的浮力增值确定方法,可为其他类型漂浮装置的浮力设计提供参考与借鉴。
Flotation devices are essential safety equipment for occupant evacuation during emergency water ditching of transport-category aircraft. Research on the buoyancy increment of flotation devices helps solve the problem of insufficient buoyancy within the specified service life and improve the continuous airworthiness of flotation devices. Taking a certain type of flotation seat cushion designed in accordance with flotation device standards as the research object, this paper analyzes its structure, buoyancy design and service scenarios to identify the key factors affecting buoyancy attenuation. By testing the physical parameters and buoyancy performance of used seat cushions with the same material and proportional construction, the causes of buoyancy attenuation are revealed, the applicable buoyancy increment for this type of flotation device is determined and its suitability is verified. The method for determining buoyancy increment formed by this study can provide a reference for the buoyancy design of other types of flotation devices.
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