Abstract
The article is devoted to fundamental and applied research in the field of fire safety of textile materials. The purpose of this work is the design and creation of special-purpose clothing, involving the effects of electricity and / or elevated temperatures, by: scientifically-based selection of fabrics and accessories with protective properties. Special design solutions were developed to protect the most likely sites of injury. The authors completed the studies to assess the quality of planting samples of heat-resistant products confirmed that the magnitude of the increments, calculated taking into account the dynamic movements and properties of heat-resistant materials, provide high ergonomic characteristics and ease of use of clothing when performing professional duties in extreme conditions involving the effects of electricity and elevated temperatures. At present, the process of 3D representation of the external basic shape of the product has been studied to the greatest extent since simple silhouette shapes of the clothing can be mathematically described. The surface of the outer clothing can be described by silhouette projections in the frontal and sagittal planes, horizontal sections, as well as informative points located on the contours of the sections characterizing the silhouette. The quantitative characteristics of the shape of the designed product in three dimensions can be magnitudes of projection increases as the gap between the skin and the clothing. In addition, such parameters of horizontal section contours as the spatial gap and its angular measure facilitate the process of describing behavior of the material in the finished product relative to the surface of the person’s figure. According to the above mentioned aspect, it is obvious that the three-dimensional scanning method can be a tool not only for studying the behavior of heat-resistant materials in special clothes to protect against an electric arc, but also it allows creating an actual database of properties of heat-resistant materials.
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