Search results

The purpose of this paper is to deal with performance verification of thermal insulation fillings that are used for outer clothes into cold environments. Thermal properties of filling materials (down and three sophisticated fillings) were tested under condition approaching real weather conditions in Middle Europe.

In the paper, modern method of thermal resistance Rct measurement, by Sweating Guarded-Hotplate system, was compared with method of Technical University of Liberec (TUL method). The TUL method shows good results and it is applicable even at ambient temperatures below zero, which fully corresponds to real application of the insulation filling.

Evaluation of fibre battings were carried out even at temperatures below the freezing point, which is important for simulation of actual application of these filling structures. The highest thermal resistance of goose down confirm that natural materials have their irreplaceable position, especially in application into clothes for extreme conditions.

There does not include effect of the humidity change on thermal insulation properties. It will be subject of further research of authors.

The investigation of thermal insulation properties were carried out under conditions approaching real application of tested materials, namely, at low ambient temperature.

In order to study the static and dynamic comfort of tight sportswear in winter, the subjective comfort was aimed to be evaluated by collecting sensory data such as humidity feeling, cold feeling and other perceptions. In this paper, the experiment was divided into standing, squatting, jumping, jogging, walking and so on.

Through particle swarm optimization-cuckoo search model, the sensory factors that affect the overall comfort were optimized, and it was found that there were great differences in the overall comfort factors under different motions. Then, analytic hierarchy process was used to sort the optimized sensory indicators in each experimental stage, and the influence degree of sensory indicators was studied. Finally, by the long short-term memory (LSTM) model, taking comfort senses of standing, squatting, jumping and jogging as input parameters, and regarding comfort senses of walking, lifting legs and resting as output parameters, the prediction model was founded.

The results showed that there were certain differences between the prediction value and the real subjective evaluation value, but most of the predicted values were consistent with the real values on the sensory level, and the overall prediction level was good, which meant that the LSTM model had more accurate prediction ability for subjective evaluation and could be extended to other sports.

The research results could provide scientific methods for the design of tight-fitting sportswear in winter.

Considering that the human body is undeniable a fashion space, the purpose of this paper is to highlight the importance of design and material choice in the relationship between clothing and accessories, namely, bags, for the fashion consumer.

Initially the paper provides a historical framing of the use of materials in bags and its relation with clothing. Then, are described the characteristics of materials and how the human body relates to them, specifically how the sense of touch plays a decisive role in materials choice. Thus a natural fiber-based fabric as wool fabric is presented as a choice for some brands in the development of fashion accessories.

It was found that there are an immense variety of materials that can be used in bags creation, and the use of them has changed over the years, influenced by social and economic conditions, fashion trends, and by technology evolutions in the production of fibers and composites. Taking in consideration that there is a long history of use of woven fabrics with natural fibers and a growing demand for sustainable and organic products, the use of wool natural fabrics in the production of bags were presented as a following road to the fashion industry.

Since the relationship between materials used in apparel and fashion accessories is an area barely documented, this paper contributes to underline the possibility to exceed conventional design barriers and develop innovative and creative wool products pleasant for the human body as a fashion space.