无伞精确空投模式下飘带试验研究
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航空工业航宇救生装备有限公司航空防护救生技术航空科技重点实验室,襄阳 441003

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兰文昌,男,高级工程师,E-mail: 14875432@qq.com。

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V24

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Experimental Study on Ribbons in Parachuteless Precise Airdrop Mode
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Affiliation:

Aviation Key Laboratory of Science and Technology on Life-Support Technology,AVIC Aerospace-Life-Support Industries Ltd., Xiangyang 441003, China

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    摘要:

    针对海上救援时典型海况下小物质精确空投需求,根据空气动力学理论,设计了一种基于无伞精确空投模式的飘带物品包。为满足更高的投放质量要求,设计了一种具有鼓风兜的飘带,提高了无伞空投物品包的投放质量。通过产品设计、伞塔投放试验、摄影测量等手段验证了物品包的落速,计算了飘带的阻力系数,研究了鼓风兜的阻力特征,实现了小物质低成本、轻量化、通用化的精确空投。

    Abstract:

    According to the requirement of accurate airdrop of small matter under typical sea conditions during maritime rescue, a kind of ribbon airdrop bag based on parachuteless accurate airdrop mode is designed by using the aerodynamics theory. In order to meet the requirements of higher delivery quality, a kind of ribbon with air pocket is designed to improve the delivery quality of parachuteless airdrop package. Through product design, flag-dropping test of tower, image measurement and other means, the falling speed of the airdrop bag is verified, the resistance coefficients of the ribbon are calculated, and the resistance characteristics of the air pocket are analyzed.Therefore, the accurate airdrop of small matter with low cost, light weight and universality is realized.

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兰文昌,王中阳,王申奥.无伞精确空投模式下飘带试验研究[J].南京航空航天大学学报,2021,53(2):188-193

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历史
  • 收稿日期:2020-12-15
  • 最后修改日期:2021-02-20
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  • 在线发布日期: 2021-04-29
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