Impact Resistance Study of Cushioning Packaging for Parachute-free Airdrop of Ammunition

JIANG Mingming; YIN Haiming; WU Bin

doi:10.19554/j.cnki.1001-3563.2025.19.007

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Packaging Engineering ›› 2025, Vol. 46 ›› Issue (19) : 58-64. DOI: 10.19554/j.cnki.1001-3563.2025.19.007

Special Topic on Protective Metamaterial and MetastructureAgainst Impact

Impact Resistance Study of Cushioning Packaging for Parachute-free Airdrop of Ammunition

JIANG Mingming, YIN Haiming, WU Bin

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Abstract

The work aims to conduct in-depth research on cushioning packaging for parachute-free airdrop of ammunition, to resolve issues such as large landing dispersion in parachute-assisted airdrop resupply during military training, as well as low efficiency and high risks in helicopter-based logistics. Focusing on a specific type of ammunition, a four-layer packaging structure with two-stage buffering was designed through optimized material selection, which effectively reduced impact forces during parachute-free airdrop landings and enabled helicopters to execute ammunition resupply via parachute-free airdrops at a 50-meter hovering altitude. The simulations and comparative experiments were employed to model and analyze the impact characteristics and post-impact safety of the ammunition under this packaging design. Field validation was performed using cargo drones for live ammunition airdrops. Both simulation and experimental results confirmed the safety and feasibility of applying this cushioning technology to parachute-free airdrops of the tested ammunition. The innovative multi-material, multi-stage buffering structure establishes a pioneering logistics paradigm for parachute-free ammunition resupply, offering valuable insights for expanding parachute-free airdrop applications to other materials.

Key words

ammunition / parachute-free airdrop / landing impact / cushioning packaging

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JIANG Mingming, YIN Haiming, WU Bin. Impact Resistance Study of Cushioning Packaging for Parachute-free Airdrop of Ammunition[J]. Packaging Engineering. 2025, 46(19): 58-64 https://doi.org/10.19554/j.cnki.1001-3563.2025.19.007

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