This paper investigates the influence of waterproof fabrics on heat and moisture transfer through a clothing system. The water vapor permeability (WVP) for the outside layer was derived from published experimental data, and was considered to be a factor influencing the mass transfer coefficient at the boundary exposed to the environment. The analysis was carried out by using a mathematical model that describes the coupled heat and moisture transfer in porous textiles. The numerical simulation reveals a significant influence of water proof fabrics on the dynamic moisture content distribution in fabrics⁄fibers, moisture vapor condensations and the liquid transfer behavior inside the clothing. The research has shown the potential usage of the mathematical simulation in evaluating the performance of different waterproof and breathable fabrics in clothing systems, as well as the potential usage in the product development of functional apparel.
Based on(1 600) measurements of 10 subjects measured in natural standing state and shoulder joint movements,two statistical methods,including factor analysis and one-way ANOVA,were used in this study to explore principal body measurements and analyze effects of different waist and lower limb movements on each principal body measurement for clothing ease design,which were helpful to dynamic pattern design.The findings showed that changes of all body measurements in waist and lower limb movements were different and 9 measurements were principal body measurements,which were used in bottom pattern making.Except waist and ankle girth,effects of waist and lower limb movements on each principal body measurement were significant,especially on hip girth and back central length of leg. Finally,clothing ease design and fabric elasticity design were discussed according to the changing results of principal body measurements in different movements.
Swimwear is normally designed for swimming. It is should be modified to suit diving purpose as the body movement and the force applied by water to the wearers during diving are greatly different from those during swimming. Major problems of conventional swimwear during diving were found to be insufficient durability, poor fitting and movement of straps and leg parts to inappropriate position, which was largely caused by water going in-between the swimwear and body, resulting a balloon effect inside the garment. To solve the above problems, the design and construction of the swimwear was modified. The swimwear fabric was selected through testing the strength and elongation of a range of swimwear fabrics in order to ensure that the selected fabric can withstand the great force and stretch. The improved diver’s swimwear was found very satisfactory although further improvement may be needed in the future.
Accurate and fitted garment patterns are fundamentally important in garment manufacturing. Even though a virtual body can now be obtained by 3D scanning, the problem of generating patterns model is still challenging because the mapping from a 3D body to 2D pattern is constrained by complex garment style information and sewing definitions. This paper presents a new approach for generating 2D block patterns directly from scanned 3D unstructured points of the human body. The new approach consists of a series of steps from body recognition, body modelling to pattern formation. In the paper, algorithms for body feature extraction and body modelling are first described, then the relationship between the human body, patterns and darts are investigated, and pattern creation through automatic dart transformation are thus developed. The paper has demonstrated that the proposed method can generate 2D block patterns from a 3D unstructured point cloud.
School uniform is regarded as children’s daily wear, which is restricted to wear for more than 5 times per week. However, available information shows that some parents and children are not satisfied with the existing school uniforms. Therefore, it is meaningful and valuable to investigate this area. From the existing information, it shows that people are dissatisfied with the existing school uniforms. It is because they are not suitable for children's physical and psychological development. Therefore, improvements in school uniforms are needed. Information on new design of school uniform was obtained through literature review, observation, interview and questionnaire surveys. Finally, new school uniforms were designed based on child development.
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