Thermoelasticity of a Fabric Membrane Composite for the Stratospheric Airship Envelope Based on Multiscale Models

Meng, Junhui; Cao, Shuqian; Qu, Zepeng; Li, Jun; Lv, Mingyun

doi:10.1007/s10443-016-9522-3

Cited by 11 publications

(10 citation statements)

References 20 publications

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“…Zhang et al [ 80 ] performed research on the stress-relaxation behaviors of PTFE coated fabrics under temperatures from 23 °C to 70 °C. Meng et al [ 81 ] examined thermal distribution and deformation of coated woven fabrics. Yu et al [ 82 ] studied the mechanical properties of polyvinyl chloride PVC-coated woven fabric exposure to temperature ranges from 20 °C to 170 °C under the uniaxial tensile test.…”

Section: Introductionmentioning

confidence: 99%

“…Ambroziak and Kłosowski [78] identify mechanical and thermal properties of PVC-coated polyester fabrics in the range of temperature form −30 • C to +70 • C. Jabbari et al [79] described the thermal degradation, effect of aerogel-content, thermal insulating properties, surface characteristics, and tensile properties of polyester fabrics. Zhang et al [80] performed research on the stress-relaxation behaviors of PTFE coated fabrics under temperatures from 23 • C to 70 • C. Meng et al [81] examined thermal distribution and deformation of coated woven fabrics. Yu et al [82] studied the mechanical properties of polyvinyl chloride PVC-coated woven fabric exposure to temperature ranges from 20 • C to 170 • C under the uniaxial tensile test.…”

Section: Introductionmentioning

confidence: 99%

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Influence of Water-Induced Degradation of Polytetrafluoroethylene (PTFE)-Coated Woven Fabrics Mechanical Properties

Ambroziak

Kl̵osowski

2021

Materials

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The impact of water-induced degradation on the mechanical properties of the chosen two PTFE-coated, glass threads woven fabrics is investigated in this paper. The paper begins with a survey of literature concerning the investigation and determination of coated woven fabric properties. The authors carried out the uniaxial tensile tests with an application of flat and curved grips to establish the proper values of the ultimate tensile strength and the longitudinal stiffness of groups of specimens treated with different moisture conditions. Despite the water resistance of the main materials used for fabrics manufacturing, the change of the mechanical properties caused by the influence of water immersion has been noticed. The reduction in the tensile strength resulting under waterlogged is observed in the range from 5% to 16% depending on the type of investigated coated woven fabric and direction of weft or warp.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Water-Induced Degradation of Polytetrafluoroethylene (PTFE)-Coated Woven Fabrics Mechanical Properties

Ambroziak

Kl̵osowski

2021

Materials

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“…The envelope materials for aerostat must have low density, high strength, excellent weathering, low helium permeability, good stitching process, and easy repair, among other features (Schäfer et al, 2002;Kang et al, 2006;Komatsu et al, 2003), which are of vital significance due to their complex, changeable, and even harsh working conditions (Cicerone, 1987;Caldwell and Flint, 1994;Wrobel et al, 2011). In addition to the application efficiency of the aerostat containing floating height and continuous flight time, the payload and the lifetime directly depend on the properties of the envelope materials (Meng et al, 2016;Meng et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

“…To satisfy the these requirements, envelope materials for aerostat are laminates designed, typically including heatsealing layer, load-carrying layer made of fabric, gasbarrier layer, weathering layer, and adhesive layers (Schäfer et al, 2002;Meng et al, 2017;Vallabh et al, 2021), as shown in Figure 1. The functional load-carrying layer, usually woven from aromatic polyamide (Vectran), polyester, polyethylene, and poly-pphenylenebenzobisthiazole fiber, provides the strength of the whole envelope materials to bear the load, as well as the pressure difference between the inside and outside of aerostat (Komatsu et al, 2003;Zhai and Euler, 2005;Nakadate et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

Study of performance of aerostat envelope materials on the coast

Lv¹,

Zhou²,

Yuan

et al. 2022

Front. Mater.

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In this article, the performance of several naturally aged envelope materials in Hainan, China, was studied. The results show that the outer layer contributes to the properties of the envelope materials, where PVF and PVDF are better candidates for a weathering layer than TPU and aluminum. Due to the superior water and mildew resistance of PVF and PVDF, the loss of tensile strength for 3216LV and FV1175 was slight, whose value reduced from 101.43 ± 5.45 Kgf/cm and 76.15 ± 3.81 Kgf/cm to 79.73 ± 6.40 Kgf/cm and 70.20 ± 6.57 Kgf/cm, respectively, when aging for 24 months with the helium permeability reduction from 0.8818 L/m2•day•atm and 0.6360 L/m2•day•atm to 0.2047 L/m2•day•atm and 0.2169 L/m2•day•atm aging for 18 months, in the case of FV1175 showed leakage after aging for 24 months due to delamination. However, the tensile strength of HV150 dropped from 82.13 ± 3.61 Kgf/cm to 15.22 ± 2.16 Kgf/cm at 24 months with helium leakage, owing to heavy mildew and degradation. Meanwhile, ETAV150 also exhibited a decreased tensile strength of 57.92 ± 1.32 Kgf/cm after 6 months aging, 32.8% lower than that of the original sample, and showed leakage when aging for 12 months. This research provides a theoretical guidance for the structural design and screen of envelope materials for aerostat used along the coast.

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“…Zhang 52 carried out a series of uniaxial tensile tests to study the tensile performances of the specimens in 11 in-plane directions and six tensile rates. Meng et al 53 described the thermal distribution and the deformation of the envelope material in different temperatures. Meng et al 54 The aim of this research is to determine the longterm mechanical properties under uniaxial tensile tests of the Precontraint 1202 S2 back PVDF polyestercoated fabrics.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of Precontraint 1202 S2 based on uniaxial tensile and creep tests

Ambroziak

Kl̵osowski

2016

Journal of Reinforced Plastics and Composites

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The purpose of the paper is the estimation of the polyvinyl chloride – polyester-coated fabric (Precontraint 1202 S2) mechanical properties under uniaxial tensile tests as well as short- and long-time creep tests. The uniaxial tests are the basis of non-linear elastic description while the creep tests are used for the evaluation of the stiffness parameters in time and for the identification of the standard viscoelastic model. The paper also includes a short survey of literature concerning the coated woven fabric description.

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Thermoelasticity of a Fabric Membrane Composite for the Stratospheric Airship Envelope Based on Multiscale Models

Cited by 11 publications

References 20 publications

Influence of Water-Induced Degradation of Polytetrafluoroethylene (PTFE)-Coated Woven Fabrics Mechanical Properties

Influence of Water-Induced Degradation of Polytetrafluoroethylene (PTFE)-Coated Woven Fabrics Mechanical Properties

Study of performance of aerostat envelope materials on the coast

Mechanical properties of Precontraint 1202 S2 based on uniaxial tensile and creep tests

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