Comfort properties of functional warp-knitted polyester spacer fabrics for shoe insole applications:
TL;DR: The use of cushioned insoles has been recommended as a method to reduce the impact forces on feet associated with running as mentioned in this paper, and a study is used to determine the influence of insole structure and thic...
Abstract: The use of cushioned insoles has been recommended as a method to reduce the impact forces on feet associated with running. This study is used to determine the influence of insole structure and thic...
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TL;DR: Wang et al. as discussed by the authors designed a 3D fabric thermoelectric generator with a sandwich structure similar to the classical inorganic generator, which allows generating temperature difference in the fabric thickness direction, thus enable people to wear and show promising application in body heat conversion.
Abstract: A flexible and wearable thermoelectric generator could enable converting our human body heat into electrical power, which help to realize a self-powered wearable electronic system. To overcome the wearable difficulty of existing flexible film thermoelectric generators, a novel 3D fabric thermoelectric generator structure are designed in this study. By using a 3D fabric as substrate and yarns coated with thermoelectric materials as legs, a wearable and flexible thermoelectric generator can be realized. The designed generator has a sandwich structure similar to the classical inorganic generator, which allows generating temperature difference in the fabric thickness direction, thus enable people to wear and show promising application in body heat conversion. Then, to verify the effectiveness of designed generator structure, a prototype was fabricated and by using a lock-nit spacer fabric as substrate and yarns coted with waterborne polyurethane/carbon nanotube thermoelectric composites as legs. The results suggested that the fabricated spacer fabric TEG prototype could work successfully, although the performance of this prototype is in a low level. To further improve the efficiency of 3D fabric generator and apply it in wearable electronics in future, highly efficient inorganic thermoelectric materials can be applied, and modifications on the conductive connections can be made.
116 citations
TL;DR: In this article, a clean method of preparing prodigiosins disperse dye by microbial fermentation and dyed polyester fabric to endow it with functionalities was developed, where the average particle size of the pigments dispersion was 184.3nm (range of 101.1-378.0nm).
30 citations
TL;DR: In this article, an aluminum doped zinc oxide (AZO) film was deposited onto a polyester fabric by magnetron sputtering, and the results showed that the AZO coated fabric presented higher water repellency with a contact angle (CA) of 146° and substantial reduction of ultraviolet transmittance with a UPF value of 362.
29 citations
TL;DR: In this article, the microstructure features and compression behavior of a typical spacer fabric were investigated experimentally and numerically in a study with eight unit cells with 64 spacer monofilaments.
25 citations
TL;DR: In this article, an experimental investigation was carried out to study the effect of interlining material on the comfort and dynamic deformation characteristics of body armour, and the experimental results confirmed that the number of plies of spacer fabrics has significant influence on the ballistic armour characteristics than the face layer denier.
Abstract: An experimental investigation was carried out to study the effect of interlining material on the comfort and dynamic deformation characteristics of body armour. Suitable plies of interlining materials were selected based on the fabric comfort properties and the impact resistance specified for ballistic application. Kevlar woven fabric was used to block the projectile, and the spacer fabric was used as an interlining material to ensure wearing comfort and for imparting impact resistance. The yarn denier of the middle and bottom layers of the spacer fabrics was maintained constant, and three different deniers were used for the face layer. Three different plies of spacer fabrics were analysed by means of thermophysiological comfort properties to select the suitable interlining material for body armour. The experimental results confirm that the number of plies of spacer fabrics has significant influence on the ballistic armour characteristics than the face layer denier as proved by two-way ANOVA. The substant...
15 citations
References
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TL;DR: The results showed that subject specific characteristics influence comfort perception of shoe inserts, and shoe inserts of different shape and material that are comfortable are able to decrease injury frequency.
Abstract: MUNDERMANN, A., D. J. STEFANYSHYN, and B. M. NIGG. Relationship between footwear comfort of shoe inserts and anthropometric and sensory factors. Med. Sci. Sports Exerc., Vol. 33, No. 11, 2001, pp. 1939–1945. Purpose:The purposes of this study were (a) to determine lower extremity anthropometric and
226 citations
"Comfort properties of functional wa..." refers background in this paper
...Some investigations had proved that the use of cushioned insoles reduces the risk of stress fractures and overuse injuries [5,6]....
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TL;DR: This study shows that the incidence of total overuse injuries and tibial stress syndrome during 9 weeks of basic military training can be reduced by wearing insoles.
Abstract: Sedentary individuals, particularly new military recruits, who start a physical training program have a substantial risk of developing an overuse injury of the lower limb. In this study we investigated the effect of neoprene insoles on the incidence of overuse injuries during 9 weeks of basic military training. The experimental group consisted of 237 randomly selected new recruits, while 1151 recruits were the control group. Insoles were given to the experimental group and compliance was monitored. A panel of doctors documented and classified all injuries occurring during the 9 week period. A total of 54 (22.8%) and 237 (31.9%) injuries were reported in the experimental and control groups, respectively. In both groups, the majority of injuries were overuse (experimental group, 90.7%; control group, 86.4%). The mean weekly incidence of total overuse injuries and tibial stress syndrome was significantly lower (P less than 0.05) in the experimental group. The mean incidence of stress fractures was lower in the experimental group but not significantly so (0.05 less than P less than 0.1). This study shows that the incidence of total overuse injuries and tibial stress syndrome during 9 weeks of basic military training can be reduced by wearing insoles.
223 citations
"Comfort properties of functional wa..." refers background in this paper
...Some investigations had proved that the use of cushioned insoles reduces the risk of stress fractures and overuse injuries [5,6]....
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TL;DR: In this article, the characteristics of different spacer fabrics including low-stress mechanical properties, air permeability and thermal conductivity were investigated, and the experimental results suggest that carefully selecting the spacer fabric according to the envisaged application is of primary importance.
151 citations
"Comfort properties of functional wa..." refers background in this paper
...If a fabric has very high porosity, it can be assumed that it is permeable [18,25]....
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TL;DR: In this article, the influence of fabric's structure on the thermal and moisture management properties of knitted fabrics made of two types of yarns with thermo-regulating effect was studied.
Abstract: This paper studies the influence of fabric’s structure on the thermal and moisture management properties of knitted fabrics made of two types of yarns with thermo-regulating effect: Coolmax ® and Outlast ® . The main purpose of this study was the selection of the most adequate fabric, to be used in summer and winter sportswear. The results demonstrated that some properties, such as, thermal properties, diffusion ability, air and water vapor permeability are influenced by both raw material type and knitted structure parameters. Wicking ability is influenced to a greater extent by the knitted structure, while the drying ability is primarily determined by raw material and to a lesser extent by the knitted structure parameters. Outlast ® fabrics are preferred candidates for warmer climate sportswear, particularly due to their lower thermal resistance, higher thermal conductivity and absorptivity, air and water vapor permeability. When considering sportswear for colder weather, Coolmax ® based structures seem to be the best choice. These findings are an important tool in the design of a sportswear product tailored to the different body areas thermal and moisture management requirements.
133 citations
"Comfort properties of functional wa..." refers background in this paper
...The thermal resistance shows high response for thermal conductivity and thickness of fabric [27,28]....
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TL;DR: Cushioning materials generally absorb kinetic mechanical energy under compression actions at a relatively constant stress over a large range of displacement as mentioned in this paper, however, cushioning materials are not widely used in computer vision applications.
Abstract: Cushioning materials generally absorb kinetic mechanical energy under compression actions at a relatively constant stress over a large range of displacement. However, cushioning materials widely us...
122 citations
"Comfort properties of functional wa..." refers background in this paper
...Their energy absorption capacity can easily be customized to meet correct requirements by simply modifying their structural parameters [10,11]....
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