Possibilities for qualitative evaluation of the protection area of protective clothing

Muenks, Dominik; Pilgrim, Jasmin; Kyosev, Yordan

doi:10.25367/cdatp.2022.3.p156-162

Cited by 3 publications

(5 citation statements)

References 3 publications

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“…9, protective geometries are applied to a T-shirt in Clo3D. During movements, collisions occur and the geometries "melt" with each other (shown in red), which does not where the protective geometries do not behave as in reality [13].…”

Section: Resultsmentioning

confidence: 99%

“…If the protective geometries are pulled too far apart during movements, unprotected areas can result. The detection and optimization of the protected area in relation to the total area must also be taken into account [13]. To be considered in the additive manufacturing of such protective geometries as shown in Fig.…”

Section: Introductionmentioning

confidence: 99%

“…9 Representation of protective geometries on textiles in the bent position. The red marks show problem areaswhere the protective geometries do not behave as in reality[13].…”

mentioning

confidence: 99%

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Curvature change of moving bodies and its application for development of protective elements for protective clothing

Muenks

Kyosev

Xia³

2023

cdatp

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When the human body moves, the body curvatures always change on the corresponding parts of the body. For ideal protective clothing, body curvatures during different movements have to be taken into account, as they influence the protection and the wearing comfort. For this reason, this study will focus on demonstrating methods to visually display such curvature changes. The changes are visually shown in different poses. The aim is to use this method to optimize protective elements on body parts with increased curvature changes. This would make protective clothing safer and more comfortable to wear.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Curvature change of moving bodies and its application for development of protective elements for protective clothing

Muenks

Kyosev

Xia³

2023

cdatp

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“…Stab-resistant vests have been shown to significantly reduce the number of fatal injuries due to stabbing [ 9 ]. However, stab-resistant body armor is mostly heavy and uncomfortable [ 10 ], besides the problem that it does not necessarily protect all relevant body area from knives and spikes, depending on the wearer’s body shape [ 11 ]. To motivate police and other people in potentially dangerous situations to wear stab-protection garments, lightweight body armor is necessary, ideally from drapable material with low thermal resistance and high air and water vapor permeability [ 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Stab-Resistant Polymers—Recent Developments in Materials and Structures

Panneke

Ehrmann

2023

Polymers

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Stab-resistant garments have been used for centuries, utilizing metals, paper, or polymeric structures, often inspired by natural structures such as scales. Nowadays, stab-resistant vests or vest inserts are used by police and security personnel, but also by bus drivers, ambulance officers, and other people who are empirically often attacked on duty. Since stab protection garments are often heavy and thus uncomfortable and not well accepted, whether in the form of chain-mail or metal inserts in protective vests, researchers are striving to find lightweight, drapable alternatives, often based on polymeric materials. These research attempts have recently focused on textile fabrics, mostly with impregnation by shear-thickening fluids (STFs) or ceramic coatings, as well as on lightweight composites. The first studies on 3D printed polymeric objects with tailored shapes, as well as theoretical investigations of the stab-protective effect of different materials, have been published throughout the last years. Here, we discuss different measurement methods, including dynamic and quasistatic methods, and correlations of stab-resistance with other physical properties, before we give an overview of recent developments of stab-resistant polymers, using different materials/material combinations and structures.

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“…Movements change the curvature of the body surface. This is particularly the case near joints [6]. In interaction with the friction between body and clothing, the protectors can move away from the surface to be protected.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Interaction between Protective Clothing and Body During Motion Actions with Integrated Multisensory Scanning System 4Dsense

KUNZELMANN,

KYOSEV,

SADRETDINOVA

2023

Proceedings of 3DBODY.TECH 2023 - 14th International Conference and Exhibition on 3D Body Scanning and Processing Technologies,

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In times of societal change toward an environmentally conscious and sustainable community, bicycles are increasingly becoming the key to personal transportation. Bicycling and other high-speed sports such as soccer, field hockey, and volleyball often result in abrasions. These occur through the dual mechanisms of friction and shear forces. To avoid this, protective elements are usually integrated into the sportswear at the joints. However, since the joints are always the point of maximum garment displacement, accurate placement of the protective elements is an important prerequisite for the protective effect. The objective of this work is to investigate the extent to which relative displacement occurs between the joint and the protective element during typical application movements. For achieving this objective, different types of sensor techniques must be applied simultaneously. The complete system, named 4Dsense was build on the basis of the Move4D scanner (produced by IBV) for photogrammetric scanning, which was integrated with the electromagnetic VIPER System of company Polhemus for direct absolute position tracking and with pressure measurement system TexSens®-G. 4DSense provides information about the motion of the clothing or the human surface, the coordinates of several points under the surface and the pressure between the clothing and human body on selected positions. The first results of the application of this multi-sensory system 4DSense for the investigation of protective clothing shows that the combination is very promising and provides information with additional dimensions and quality, which will help the clothing developers to provide protective clothing with improved wearing comfort during motion.

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Possibilities for qualitative evaluation of the protection area of protective clothing

Cited by 3 publications

References 3 publications

Curvature change of moving bodies and its application for development of protective elements for protective clothing

Curvature change of moving bodies and its application for development of protective elements for protective clothing

Stab-Resistant Polymers—Recent Developments in Materials and Structures

Investigation of the Interaction between Protective Clothing and Body During Motion Actions with Integrated Multisensory Scanning System 4Dsense

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