• 복식
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• 제60권10호
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• pp.28-46
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• 2010

Variety and individuality are characteristic of consumer in modern society. For the necessity of new designed men's formal suit is on the rise with advance of party culture and change of wedding style. In addition to growing numbers of Korean grooms are getting more interested in make themselves well-groomed on the wedding ceremony. The purpose of this study is to develop the men's formal suit pattern for right fit and better style for Korean grooms. In order to find out how to modify their fit, comparison among the existing patterns was necessary. In this study we proposed new patterns of men's formal suit, a morning coat, a tail coat, tuxedoes, director's suit, three-peaces suit, navy blazer. Considering the results of this study, developed patterns were altered to fit better and to smarter. They were well graded in waistline position, shoulder shape, back princess line shape. Also they were best to move around sleeve and bodice. And the developed patterns were altered to make armhole narrower to make bodice length shorter, to make bodice slimmer. The researcher's pattern's were made up into garments using wool 100%, silk 100%. According to verify the improvements and grade better in both appearance and comport, it will be to take the lead men's formal dress culture and expand the base of popular consume for men's formal wear.

• 한국의류산업학회지
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• 제17권5호
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• pp.781-792
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• 2015

This study aims to develop a spring/fall motorcycle jacket for quick service transporter. Depending on the results of the previous research, this study produced the tested jacket which was improved in material, pattern, and design. For the tested jacket, 100% polyester fabric excellent in strength, durability and abrasion-resistance was selected as a major material, and Cordura was used as a partial material to improve the strength and abrasion-resistance of the sleeve side lines, elbow and shoulder areas. The retro-reflection material was applied partially in order to improve visibility of the jacket in the night or in a dark place. A total of 7 pockets were composed in the jacket for the sufficient storage spaces. The functional design elements such as the 2-way zipper and the placket at the center front, the action pleats at the upper part of back armholes, the pit-zip at armpit were applied. In addition, the sleeve pattern was bent with the shape of elbow curvature in time of driving and the back length of the jacket was lengthened 4cm. As a result of the appearance assessment, there was a significant difference from the existing jacket in all items but chest size, shoulder width, cuffs circumference, and jacket hemline circumference. In motion adaptability and field activity appropriateness assessments, the assessment grade for all items was found to be commonly higher than that of the existing jacket, and thus, the tested jacket was assessed to be suitable for a motorcycle jacket design for the quick service transporters.

• 에너지공학
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• 제11권3호
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• pp.276-282
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• 2002

본 논문에서는 압축공기를 작동매체로 한 저압용 vortex tube에 대한 에너지분리 과정을 상세히 연구하였다. 먼저 vortex tube에서 에너지 분리되어 나오는 온공기와 냉공기의 온도변화에 대하여 실험하였고, vortex tube의 안쪽표면의 최대벽면온도 변화와 vortex tube내의 온도분포를 통하여 vortex tube내 유동장에서의 정체점의 위치에 대한 유용한 정보를 얻게되었다. 이를 바탕으로 vortex tube의 최적 길이와 throttle의 형상, sleeve에 따른 에너지분리과정 등을 실험을 통하여 알아보았다. 또한 본 연구에서는 디젤기관의 배기에 적용하기 위한 외통을 사용하였다. 이때 vortex tube에서 나오는 은공기가 180$^{\circ}$돌아 나오면서 vortex tube의 바깥쪽 벽면을 가열하게 된다. 이러한 기하학적 형상을 통하여 에너지분리효과가 증대됨으로 인하여 디젤기관의 배기가스에 적용 시 고온유동의 온도를 높이고자함에 본 연구의 목적을 두고자한다.

• 한국생활과학회지
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• 제23권5호
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• pp.843-859
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• 2014

The purpose of this study is to find the differences among the clothing brands through examination of present situation about uniform design in domestic coffee houses and provide the basic materials in developing uniform designs to reflect the brand identity. For research contents and method, the overall circumstances were examined about the domestic coffee houses and their uniforms at large via literature review. Then, characteristics on their 10 uniform designs were reviewed according to item, color, pattern and accessary. The following are results. First, cardigan, cap, and necktie according to the individual brand are added with basis of shirt and apron in composition of coffeehouse's uniform. Second, in cardigan, those colors including black, navy and brown are used, reminding of the coffee. Brand logo or symbol is also presented on it, which addresses the brand image. Third, the kind of shirt consists mainly with long or short shirt blouse and long sleeve or short sleeve pique shirt. Job title or gender differentiates the shape and color. Fourth, one-piece type is commonly applied for the apron. At the same time, a short skirt is put on as well. An image expression is often found by the unique brand color also, but mostly, some dark tones like brown or black are largely used. Fifth, in cap, various kinds are worn including the cap as in the case of baseball, fedora, beret, and hunting cap. In color, black or brown color same to that of apron is common, which fails to show differentiation. Thus, consideration of color remix with application of brand symbol is thought to be an alternative to this.

• 한국소음진동공학회논문집
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• 제15권3호
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• pp.251-258
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• 2005

The free vibration of a spinning flexible disk-spindle system supported by hydro dynamic bearings (HDB) in an HDD is analyzed by FEM. The spinning flexible disk is described using Kirchhoff plate theory and von Karman non-linear strain, and its rigid body motion is also considered. It is discretized by annular sector element. The rotating spindle which includes the clamp, hub, permanent magnet and yoke, is modeled by Timoshenko beam including the gyroscopic effect. The flexible supporting structure with a complex shape which includes stator core, housing, base plate, sleeve and thrust pad is modeled by using a 4-node tetrahedron element with rotational degrees of freedom to satisfy the geometric compatibility. The dynamic coefficients of HDB are calculated from the HDB analysis program, which solves the perturbed Reynolds equation using FEM. Introducing the virtual nodes and the rigid link constraints defined in the center of HDB, beam elements of the shaft are connected to the solid elements of the sleeve and thrust pad through the spring and damper element. The global matrix equation obtained by assembling the finite element equations of each substructure is transformed to the state-space matrix-vector equation, and the associated eigen value problem is solved by using the restarted Arnoldi iteration method. The validity of this research is verified by comparing the numerical results of the natural frequencies with the experimental ones. Also the effect of supporting structures to the natural modes of the total HDD system is rigorously analyzed.

• 복식
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• 제65권4호
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• pp.1-18
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• 2015

The subject of study is about the illustrations of the round collar Po(袍類) in the Akhak-gwebeom(樂學軌範) which was published in 1493. These illustrations are painted records of what musicians and dancers in the palace were wearing during performances. While each illustration of the Po is similar in that they all have round collars, each has a different name Sam(衫), Ui(衣), Dallyeong(團領) and formative characteristics, and these features were analyze in the study. Sam refers to the Gongbok(公服) as it has long and big sized sleeves, Ui is the word used to represent the basic unit of outerwear, and Dallyeong is believed to refer to the Sibok(時服) and Sangbok(常服). In the formative aspects, Sam's auxiliary sleeve is one of the ways wearing the sleeve of innerwear shown outward and it's assumed to have been produced for visually matching the formal look as well as the convenience free to use of hands. The Mu of Dan-ui(丹衣) is less than the number of the excavated artifacts, it produced in a relatively simplified form. Also, illustration of Dallyeong corresponds to the artifacts and configuration of the 15th to 16th centuries, the costume culture of that time seems to be reflected specifically. While Hyungbae(胸背) used in the form of rectangles and circles such as petals. it tried to represent the country at the official event by borrowing the upper class in the costume that musicians and dancers wear, also showed the rank and social status symbolically by having the differences in the shape and pattern. While the costume culture at the time is reflected, it can be found that the objective of raising the country's dignity is implied by transforming the detailed structure for the practicality, borrowing the costume elements of the high social status and transformed them.

• 한국소음진동공학회:학술대회논문집
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• 한국소음진동공학회 2003년도 추계학술대회논문집
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• pp.572-578
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• 2003

The free vibration of a spinning flexible disk-spindle system supported by hydro dynamic bearings in a HDD is analyzed by FEM. The spinning flexible disk is described using Kirchhoff plate theory and von Karman non-linear strain, and its rigid body motion is also considered. It is discretized by annular sector element. The rotating spindle which includes the clamp, hub, permanent magnet and yoke, is modeled by Timoshenko beam including the gyroscopic effect. The flexible supporting structure with a complex shape which includes stator core, housing, base plate, sleeve and thrust pad is modeled by using a 4-node tetrahedron element with rotational degrees of freedom to satisfy the geometric compatibility. The dynamic coefficients of HDB are calculated from the HDB analysis program, which solves the perturbed Raynolds equation using FEM. Introducing the virtual nodes and the rigid link constraints defined in the center of HDB, beam elements of the shaft are connected to the solid elements of the sleeve and thrust pad through the spring and damper element. The global matrix equation obtained by assembling the finite element equations of each substructure is transformed to the state-space matrix-vector equation, and the associated eigenvalue problem is solved by using the restarted Arnoldi iteration method. The validity of this research is verified by comparing the numerical results of the natural frequencies with the experimental ones. Also the effect of supporting structures to the natural modes of the total HDD system is rigorously analyzed.

• 대한치과보철학회지
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• 제40권2호
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• pp.156-171
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• 2002

The purpose of this study was to measure and compare the strains produced by screw-tightening implant frameworks fabricated by aye different fabrication methods; (1) one-piece cast using plastic sleeve, (2) one-piece cast using gold cylinder, (3) laser welding, (4) soldering, and (5) electrical discharge machining, and also to measure and compare the strains produced when the order of screw tightening was changed A research model incorporating eighteen strain gages was made to measure the fit of implant frameworks in three dimensions. Three implants aligned in an arc were fixed on the top ends of the L-shape aluminum bars of the research model, and standard abutments were joined to the implants with abutment screws. Five types of implant framework were placed on the abutments and screwed by a torque wrench using 10 Ncm. Under the conditions of this study, the following conclusions were drawn: 1. The electrical discharge machining group showed the smallest magnitude of strain, followed by the soldering group, the laser welding group, the one-piece cast group using gold cylinder, and the one-piece cast group using plastic sleeve. However, among the magnitude of strain for the remaining groups except the electrical discharge machining group, there were not significant differences. 2. When the order of screw tightening was changed, there were not significant differences in the magnitude of strain. 3. In comparison with the electrical discharge machining group, the laser welding group and the one-piece cast groups showed greater horizontal distortion and the soldering group showed greater horizontal and vertical distortion.

• 복식
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• 제58권9호
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• pp.51-67
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• 2008

The purpose of this study is to investigate men's coat of Jikryeongkoim style that were excavated from the tombs of the Yeosan Song family. Findings of the study can be summarized as follows. Except Dapho, all of the above mentioned coat were usually worn in the late 15th and late 16th centuries. Jikryeong and Cheolik were often worn in both of the centuries. But Aekjureum was often worn in the late 15th century and Jikryeong with no side hem and Jikryeong of Dopo style, in the late 16th century. Generally, the men's coat of Jikryeongkoim style had a short fore part and a long rear part, doubled kalgit of banmokpan style and a narrow sleeve in the late 15th century, while fore and rear parts of the same length, kalgit of ordinary style and the sleeve of bean chaff shape in the late 16th century. In both of the centuries, the coat had the outer Seop that was doubled and used short, narrow coat strings to be adjusted. Samgakmu was used to Jikryeong with no side hem and Aekjureum. Out of the coat, those which were lined or padded or quilted with cotten used Samgakmu, but those which were unlined didn't. To adjust the coat, usually, a pair of short, narrow coat strings was used. The coat had the coat strings directly stitched on them or indirectly connected to them by means of the coat string hanger.

• 한국의류산업학회지
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• 제23권6호
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• pp.744-757
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• 2021

This study aims to develop a bodice and a jacket in 3D of the late 19th to early 20th based on the pattern drafting book of Gordon S. S., which contains body measurement method and pattern drafting system. The findings of this research are as follows. First, female tops of the late 19th to early 20th century are categorized as outer, jacket, vest, and bodice. Of these, this study highlights the jacket, which can be divided into 4 types: 4 kinds of basic jacket, 2 kinds of riding jacket, bolero jacket, and newmarket jacket. Second, by referring to Gordon's pattern drafting system and book, a bodice was developed in 3D format based on the adherence to the following steps: analysis of the pattern drafting system, pattern drafting, 3D virtual simulation, 3D virtual fitting analysis, and the pattern correction. A bodice pattern corrected by 3D virtual clothing simulation results was proposed. Last, a basic sleeve and collar pattern for a basic jacket was drafted, which was followed by the correction and transformation of the bodice pattern. The jacket developed shows great fit except for the issues at the armhole line and shoulder, which were caused by the unique shape of the sleeves(big sleeve head) of the time. The study attempted to develop the past costumes in 3D, providing the basis for interdisciplinary research in the field of fashion history field and suggesting a new approach for the virtual restoration of costumes. Future studies should target to 3D virtual simulation in accordance to the 3D avatar pose in the developed virtual costume.