Agnieszka Cichocka

Modelling of Virtual Garment Design in 3D

This paper presents an introduction to the modelling of virtual garment design process in 3D… Our global project of virtual clothing design, along with the conception of a virtual adaptive mannequin, is devoted to creating and modelling garments in 3D. Starting from ideas of mass customization, e-commerce and the need of numerical innovations in the garment industry, this article presents a model of virtual garment and methodology enabling virtual clothing to be conceived directly on an adaptive mannequin morphotype in 3D. A short description of the overall garment model under constraints is presented. To explain the overall methodology, the basic pattern of trousers is given. The global model of garment creation in 3D is composed of three parts - a human body model, an ease model and a garment model. The most essential part is the ease model, which is necessary for the proposed process of garment modelling. After describing each garment modelling element influencing this process, a detailed presentation of the ease model in relation to the garment model is proposed. The combination of the previously mentioned models may be considered as 2 interconnected sub-models. The first sub-model is linked with the front pattern position on the body and the second with the back pattern position on the trousers with appropriate ease values. In order to execute the identification procedure of the correct ease values and consequently their right positions on the human body, an algorithm of identification is proposed. The two sub-models are strongly connected as in the feedback effect caused by the interactions of the trouser front and back patterns. The aforementioned connection phenomenon appears during modelling and it depends on the structure of the proposed ease model. The relatively significant number of parameters requires the use of the identification technique. Finally, the superposition of virtual and real patterns was done in order to visualise the results.

Comparative Analysis of the Thermal Insulation of Traditional and Newly Designed Protective Clothing for Foundry Workers

An objective of the undertaken research was checking the applicability of aluminized basalt fabrics for the production of clothing for foundry workers. The results of flammability, the resistance to contact, convective and radiation heat, as well as the resistance to big molten metal splashes confirmed the thesis of applicability of the packages with the use of aluminized basalt fabric content for the assumed purpose; therefore, such protective clothing was produced. Thermal comfort of foundry workers is very important and related to many factors, i.e., the structure of the protective clothing package, the number of layers, their thickness, the distance between the body and appropriate underwear. In the paper, a comparison of the results of thermal insulation measurement of two kinds of protective clothing is presented: the traditional one made of aluminized glass fabrics and the new one made of aluminized basalt fabrics. Measurements of clothing thermal insulation were conducted using a thermal manikin dressed in the protective clothing and three kinds of underwear products covering the upper and lower part of the manikin.

3D Digital Methods of Clothing Creation for Disabled People

The goal of the study is to expand the new 3D garment creation method which has been developed by our team to cover other morphological targets. This creation process, applied until now to typical human body, shapes can be also used in the case of the atypical posture of the human being. The purpose of this study was to obtain 2D patterns of disabled people, especially for people afflicted with severe scoliosis. In our paper we introduced the pathology of this disease as well as the strong influence of this disability on the garment creation process. We present the method which has been used to capture the 3D shape of the body. Two methods of 3D pattern making are proposed. The first method, using virtual try-on, is an empirical method which uses the knowledge and know-how of pattern makers. The second method is a more rigorous one that shows the feasibility of creating a tailored garment directly on a 3D body shape. This method takes into account the 3D evolution of the body as well as the comfort and well-being of the customer, managed by the values of 3D ease allowance. Finally the result shows that the two methods can be used in different garment industries.

Underwear for Protective Clothing Used by Foundry Worker

Foundry worker activity involves remaining in a high temperature while working close to a melting furnace. Special clothing made from aluminised fabrics for this action ensures protection against high temperature. However, the problem is that the existing so far suits have not been breathable. This paper the presents the utility comfort parameters of underwear goods which can be used under protective clothing. The special structure of underwear should assure the maintainance of constant temperature of the body. In order to compare the basic functions, namely ensuring comfort of use, innovative underwear products underwent measurements on a thermal manikin. Moreover a comparison between new raw material solutions of underwear and traditional cotton underwear was made. Additionally the air and water vapour permeability of knitted fabrics were measured. The aim of the study was also to determine such properties as the thermal insulation, air and water vapour permeability of underwear products that influence the physiological comfort of foundry workers in order to choose the best one for foundry worker activity.

Natural and Safe Dyeing of Curing Clothing Intended for Patients with Dermatoses

1Department of Innovative Textile Technologies, Institute of Natural Fibres and Medicinal Plants, Poznań Director of Institute: Robert Sobków, PhD 2Marko-Kolor Co., Łódź Members of the Management Board: Wiesław Gajda, Longin Frączkiewicz and Andrzej Katryński 3Department of Material and Commodity Sciences and Textile Metrology, University of Technology, Łódź Head of Department: Professor Izabella Krucińska, MD, PhD 4Department of Geriatrics and Gerontology, University of Medicinal Science, Poznań Head of Department: Mariola Pawlaczyk, MD, PhD

Modification of Surface of Basalt Fabric on Protecting Against High Temperatures by the Method of Magnetron Sputtering

Abstract Basalt fibers and fabrics made of these are characterized by excellent thermal and mechanical properties. Therefore, basalt fabrics, due to a good resistance to high temperatures, are frequently applied in the personal protection equipment (PPE). In order to improve their thermal properties and, above all, the contact heat resistance, the process of physical vapor deposition was proposed. The process of Physical Vapor Deposition (PVD) involves producing a coating on a specific substrate as a result of physical deposition of molecules, ions or atoms of the selected chemical compounds. The method selected for the test is the magnetron sputtering. It involves depositing a uniform film of chromium on the surface of the basalt fabric. In order to improve the thermal properties – especially the contact heat resistance, two values of thickness of the chromium layer deposited on the basalt fabric surface were adopted for the test. Covering 1 μm and 5 μm with the chromium layer did not fulfil the expectations and the research will be continued.