Study on cushioning characteristics of soft landing airbag with elastic fabric

Wen, Jinpeng; Li, Bin; Yang, Zhichun

doi:10.3233/jae-2010-1282

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…An impact dynamics experiment is the most effective means to test the cushioning performance of the coal mine closed capsule. Through testing, the dynamic response characteristics of the coal mine closed capsule in an actual working environment can be truly reflected. − Based on the developed rapidly sealed capsule, through the gas pipeline explosion and drop hammer impact test, this study examines the cushioning characteristics of a sealed capsule under the action of high-temperature explosion shock wave and drop hammer impact and the transmission and release process of explosion impact energy. This study also analyzes the dynamic response characteristics of the sealed capsule under impact.…”

Section: Introductionmentioning

confidence: 99%

Dynamic Response Characteristics of a Sealing Airbag under Different Impact Types and Impact Pressures

Liu

Wei

et al. 2022

ACS Omega

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The rapid isolation of the disaster area underground coal mine can effectively prevent the spread of disaster accidents. Rapid sealing of the disaster area can be realized through sealing in the form of an inflatable capsule. The cushioning performance of the inflatable capsule to an explosion shock wave is an important factor affecting sealing reliability. The response process of a small inflatable capsule under an explosion shock wave was studied using the pipeline explosion experimental system to examine the dynamic response characteristics of the coal mine airbag under the impact load. The deformation buffering process of the inflatable and hydrogel capsules was tested by a drop hammer impact test. Results showed that under the action of three explosion impact pressures (0.3, 0.4, and 0.5 MPa), the inflatable capsule could absorb 22% of the impact energy through its deformation and reduce the maximum explosion impact pressure. Moreover, under the impact of falling weight at different heights (20, 30, 40, and 50 cm), the cushioning process of the inflatable and hydrogel capsules absorbed the impact energy through the compression deformation of the capsule, which is the loading stage. When the hammer speed decreased to zero, the deformation and absorbed energy of the capsule were at maximum. The capsule recovered its deformation and converted the absorbed energy into kinetic energy to make the hammer rebound, which is the unloading stage of the capsule. The capsule body realized the absorption and transfer of impact energy through its deformation and completed the energy buffer through the dynamic response process of multiple loading and unloading.

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Section: Introductionmentioning

confidence: 99%

Dynamic Response Characteristics of a Sealing Airbag under Different Impact Types and Impact Pressures

Liu

Wei

et al. 2022

ACS Omega

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“…In those studies, the SE of fabric was obtained by experiments; there were not a computation model and functions. A number of literatures reported the researches about the performance evaluation and application of the EMI shielding fabric [30][31][32][33][34]. Some ideas and methods have a certain reference for the computation of the EMI shielding fabric, but detail discussion aiming at the SE is a topic that has not been addressed very often.…”

Section: Introductionmentioning

confidence: 99%

Virtual metal model for fast computation of shielding effectiveness of blended electromagnetic interference shielding fabric

Wang

Liu

Zhang

2014

JAE

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Blended electromagnetic interference (EMI) shielding fabric has an important application in the EMI shielding fields, but its shielding effectiveness (SE) computation remained unsolved. This study proposes a fast computation method which builds a virtual metal model according to fabric structure parameters to calculate the SE of the EMI shielding fabric. The above analysis involves the calculation of metal fiber content per unit volume of the EMI shielding fabric according to the structure of the fabric, followed by construction of a virtual metal model and computation of its thickness. Then a relation between the SE of the EMI shielding fabric and the SE of the virtual metal model is explored. A conversion coefficient of the SE computation of plain, twill and satin weave fabric is determined by experiments. A fast computation of the SE based on the virtual metal model is built. After a number of experiments, results show that the relative error is low and the computation is fast and is satisfied for the normal blended EMI shielding fabrics.

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Research on design and cushioning performance of combined lunar landing airbag

Zhou

et al. 2022

Acta Astronautica

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Study on cushioning characteristics of soft landing airbag with elastic fabric

Cited by 4 publications

References 1 publication

Dynamic Response Characteristics of a Sealing Airbag under Different Impact Types and Impact Pressures

Dynamic Response Characteristics of a Sealing Airbag under Different Impact Types and Impact Pressures

Virtual metal model for fast computation of shielding effectiveness of blended electromagnetic interference shielding fabric

Research on design and cushioning performance of combined lunar landing airbag

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