• Title/Summary/Keyword: sizing design

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A Tentative Study on Sizing System for Children's Shoes (아동화의 치수규격설계를 위한 탐색적 연구)

  • Jeon, Eun-Kyung;Kwon, Sook-Hee
    • Korean Journal of Human Ecology
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    • v.16 no.1
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    • pp.173-181
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    • 2007
  • This is a tentative study to provide prototype of sizing system for children's shoes. For this study, 364 elementary school girls from KyungIn and YeongNam areas were participated in the measurement. The results of the analysis on four measurement items related to foot can be summarized as followings: 1. All of the foot related items were increased according to their growth. Especially, foot length, foot width, and toe width showed a high correlation. 2. The result also revealed that the current sizing system can cover only 70.9% of children in measurement, which means that a new sizing system is required. 3. We suggested a new standard size for foot size/foot circumference based on the results above according to current sizing system, and a new standard size for foot circumference/foot width based on ISO standard. The results of this study would be helpful in the design of sizing system of children's shoe if applied with the raw data of the Size Korea recently measured.

A Study on the Upper Garment Sizing System for Disabled Men using Wheelchair - Compared study with the Sizing System of Germany - (휠체어를 사용하는 남성 장애인의 상의 사이즈체계에 관한 연구 - 독일의 휠체어 장애인 사이즈체계와 비교연구 -)

  • Park, Kwang-Ae;Sung, Ok-Jin
    • Fashion & Textile Research Journal
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    • v.12 no.4
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    • pp.477-486
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    • 2010
  • This study aims at establishing a sizing system required for producing ready-made clothes which can fit the body shape of disabled men using wheelchair. It measured the bodies of 178 adult men using wheelchair and compared the sizing system of German adult men using wheelchair (1984) with KS system(KS K0050, 2004) in order to establish standards of the sizing system. AS a result, in terms of classification of body shapes, KS system cover more types of disabled men's body shapes and especially, A types (Drop 15.6) showed the widest coverage with 32%. In classification of heights, the widest range of height was 170 cm, and Korean men's four sizes between 158 cm and 176 cm covers 88.2% of disabled men's body shape. For chest size, 91.1% of disabled men's chest sizes were included in seven sizes, which are 4 cm intervals between 88 cm and 112 cm with 100 cm standard. In consideration of the ranges of height and chest, the general sizes (A types; 11 sizes, B types; 3 sizes, Y types; 5 sizes) are selected to present the standardized measurements. Basic parts of the upper garment sizing system for disabled men using wheelchair were height-chest-waist size.

An Analysis of the Sizing System of Silver Apparel Brands as Compared with the KS Standards (실버의류브랜드 치수체계와 KS 규격간의 비교 분석)

  • Lee, Myung-Hee
    • Journal of the Korean Society of Fashion and Beauty
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    • v.4 no.3 s.9
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    • pp.35-39
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    • 2006
  • The purpose of this study is to comparison on the sizing system in silver apparel brands with the KS standards. For the comparison research, 3 women's wear brands(suit style, knitted suit style, casual style) which were different apparel style on occasion in madame-zone of department stores were selected. The subject of investigation of sizing system of these brands were the label. The results of the sizing system of silver apparel brands as compared with the KS standards were as follows: 1) For the upper wear of suit style, it is larger than KS standards that size of height is $5{\sim}15$ cm. 2) For the lower wear of suit style, suitability of size of hip circumference is lower than KS standards. 3) For the casual style, it is larger than KS standards that size of height is $10{\sim}20$ cm.

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Microfluidic cell sizing using hydrophoretic size-based separation (유체영동 기반의 입자분리현상을 이용한 세포 크기 측정방법)

  • Choi, Sung-Young;Park, Je-Kyun
    • Journal of Sensor Science and Technology
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    • v.17 no.4
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    • pp.245-249
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    • 2008
  • This paper presents a microfluidic cell sizing method using hydrophoretic size-based separation. By exploiting slanted obstacles in a microchannel, we can generate a lateral pressure gradient so that microparticles can be deflected and arranged along lateral flows induced by the gradient. Using such movement of particles, we discriminated 8 to 15 μm-sized beads. We measured the size of U937 cells by comparing the hydrophoretic response of the cells to those of the size-standard beads whose diameters are known. Due to its simple design and fabrication, the sizing method can be easily integrated with other microfluidic components such as cell culture chambers conducting on-chip sizing and sorting.

Review of Reaction Drive Rotor System Sizing Methodology (반작용 구동로터 시스템의 사이징 방법론에 대한 고찰)

  • Ali, Freshipali Rasheeth;Jeon, Kwon-Su;Lee, Jae-Woo
    • 한국항공운항학회:학술대회논문집
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    • 2016.05a
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    • pp.9-13
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    • 2016
  • Reaction drive rotor system is capable of providing hover and low speed capabilities to different aircraft concepts such as stopped rotor wing, canard rotor wing, compound gyroplane etc. Existing sizing and analysis tools for shaft drive rotor system cannot be applied directly to this system. The available methodologies to size this system were reviewed. Power available calculation procedure and factors affects it were addressed prior to sizing process. Various design issues of this system due to interrelationship of internal gas flow dynamics and rotor external aerodynamics was discussed. Finally, a modification that is required in existing sizing methodologies was identified and combined approach in sizing process to consider the interrelationship among engine, rotor and blade duct was introduced.

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FEM Analysis of Closed-Die Forging of a Bevel Gear (베벨기어 페쇄단조의 유한요소해석)

  • Park, Jong-Jin;Lee, Jung-Hwan;Lee, Young-Sun
    • Transactions of the Korean Society of Mechanical Engineers A
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    • v.20 no.8
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    • pp.2458-2467
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    • 1996
  • The rigid-plastic finite element analysis was performed for analysis of ofhot forging and cold sizing of a bevel gear. Two dimensional analysis was carried out to investigate the defect occurrence on vertical symmetric planes during hot forging and three dimensional analysis was to understand the filling behavior on horizontal planes during cold sizing. The involute curve of a tooth was approximated by a circle for convenience in the present analysis. In order to estimate the elastic deformation of the gear and dies during cold sizing, linear elastic finite element analysis was performed. Results of the analysis can be used to predict grain flows and strength distributions in the forged gear, and to design dies and an appropriate preform for the cold sizing.

Component Sizing for the Hybrid Electric Vehicle (HEV) of Our Own Making Using Dynamic Programming (동적계획법을 이용한 자작 하이브리드 자동차의 용량 매칭)

  • Kim, Gisu;Kim, Jinseong;Park, Yeong-il
    • Journal of the Korean Society of Manufacturing Technology Engineers
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    • v.24 no.5
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    • pp.576-582
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    • 2015
  • Generally, the fuel economy of hybrid electric vehicle (HEV) is effected by the size of each component. In this study the fuel economy for HEV of our own making is evaluated using backward simulator, where dynamic programming is applied. In a competition, the vehicle is running through the road course that includes many speed bumps and steep grade. Therefore, the new driving cycle including road grade is developed for the simulation. The backward simulator is also developed through modeling each component. A performance map of engine and motor for component sizing is made from the existing engine map and motor map adapted to the HEV of our own making. For optimal component sizing, the feasible region is defined by restricting the power range of power sources. Optimal component size for best fuel economy is obtained within the feasible region through the backward simulation.

Investication for KSK 9403: 2004 Recognition and Mother's Preference of Female Children's Apparel (여자 아동복 구입시 어머니의 선호도 및 KSK 9403: 2004 호칭 치수 인지도 조사)

  • Koo, Hee-Kyung
    • Journal of the Korea Fashion and Costume Design Association
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    • v.9 no.3
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    • pp.87-97
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    • 2007
  • This study is to investigate the KS size recognition and mother's preference of female children's apparel. The practical research is performed for 150 mothers lived in Seoul and are randomly selected to their age, female children's number, education and income level. For statistical analysis and evaluation of survey data, frequency and percentage use contingency table. Findings in this study as follow: 1. Mother's preference for purchasing the girl's garments shows the significant differences of their subject characteristics such as age, girl's number, education and income level. 2. Mother's recognition about KSK 9403: 2004 sizing system for girl's garments does not show the significant differences of their subject properties. Most mothers only know the part of the KS size specifications because KS sizing systems are complex. So KS sizing systems must be simplified and respecified to understand the KS for mothers easily when purchasing their girl's garments. In summary this paper investigates mother's preference and recognition about KS sizing system for the girl's garments.

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Discrete sizing and layout optimization of steel truss-framed structures with Simulated Annealing Algorithm

  • Bresolin, Jessica M.;Pravia, Zacarias M.C.;Kripka, Moacir
    • Steel and Composite Structures
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    • v.44 no.5
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    • pp.603-617
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    • 2022
  • Structural design, in general, is developed through trial and error technique which is guided by standards criteria and based on the intuition and experience of the engineer, a context that leads to structural over-dimensioning, with uneconomic solutions. Aiming to find the optimal design, structural optimization methods have been developed to find a balance between cost, structural safety, and material performance. These methods have become a great opportunity in the steel structural engineering domain since they have as their main purpose is weight minimization, a factor directly correlated to the real cost of the structure. Assuming an objective function of minimum weight with stress and displacement constraints provided by Brazilian standards, the present research proposes the sizing optimization and combined approach of sizing and shape optimization, through a software developed to implement the Simulated Annealing metaheuristic algorithm. Therefore, two steel plane frame layouts, each admitting four typical truss geometries, were proposed in order to expose the difference between the optimal solutions. The assessment of the optimal solutions indicates a notable weight reduction, especially in sizing and shape optimization combination, in which the quantity of design variables is increased along with the search space, improving the efficiency of the optimal solutions achieved.

A Study on Middle & High School Girls’ Satisfaction and Appropriateness of the Current Sizing System for Their Fall and Winter School Uniform (중ㆍ고 여학생의 교복 만족도와 치수적합성에 관한 연구 - 동복을 중심으로 -)

  • 이혜주
    • Journal of the Korea Fashion and Costume Design Association
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    • v.6 no.2
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    • pp.21-33
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    • 2004
  • The purpose of this study was to provide information on how to improve both the satisfaction and the current sizing system for the school uniform focused on middle and high school girls' students. For the satisfaction of their school uniform, there were statistical significance by the academic year in jacket design, blouse color, and skirt design in the case of middle school girls'. On the other hand, high school girls' evaluation of school uniform was significantly different in jacket color, jacket design, blouse color, textile of blouse, skirt color, and skirt design by the academic year. For the assessment of wearing motion, there was no significant difference by the grade in both middle school and high school girls'. However, it was shown more frequency of discomfort than that of comfort. For the evaluation of sizing fitness, the breadth of sleeve in jacket and the width of blouse were statistical significance in middle school girls' by the grade while the width of jacket, he breadth of sleeve in jacket, the length of blouse, the width of blouse and length of sleeve in blouse were different in high school students by the grade.

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