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최영아Choi, Yung-A 한국모델콘텐츠학회 2021 한국모델콘텐츠학회지 Vol.2 No.1
본 연구는 여성 패션모델의 미의식과 외모관리행동에 관한 고찰을 통해 미용·뷰티 산업에 유용한 데이터베이스 (Data Base)로서 활용되고자 진행하였다. 연구대상은 국내 패션쇼를 10회 이상 경험한 18세부터 34세까지의 여 성패션모델 185명을 대상으로 하였다. 설문지를 조사도구로 사용하였으며, 2014년 7월 1일부터 8월 31일까지 진 행하였다. 도출된 결과는 여성패션모델의 외모관리행동은 의복스타일 변화에 가장 많은 빈도를 나타냈고, 지식 및 정보 경로에 있어서는 피부, 성형과 같이 상대적으로 예민한 부분은 가족·친구를 통해서 얻었으며, 체형관리, 의복 구입은 홈쇼핑·인터넷을 통해서 얻었다. 외모관리비용 측면에서는 의복구입비용에 가장 많은 지출을 하고 있었으 며, 미의식은 외모관리행동에 정(+)적인 영향을 미치는 것으로 나타났고 그 중 미용 / 성형에 대한 의식이 외모관리 행동에 가장 강한 영향을 미쳤다. 이 연구는 결론적으로 외모관리에 있어 의복의 중요성과 의미를 제시하는 것이 며, 외모관리행동 정보 취합 또한 상대적으로 차이가 있어 다양한 홍보 및 판매 전략이 필요함을 시사한다 This study was conducted to be used as a database useful to the beauty and beauty industries through the consideration of aesthetic and appearance management behaviors of women fashion models. The research subjects were 185 female fashion models aged 18 to 34 who experienced domestic fashion shows more than 10 times. The questionnaire was used as a research tool and was conducted from July 1 to August 31, 2014. The results showed that women's fashion model's appearance management behavior was most frequent in changing clothing styles, relatively sensitive parts such as skin and plastic surgery were obtained through family and friends, and body shape management and clothing were obtained through home shopping and the Internet. In terms of appearance management costs, the most expenditures were on the cost of clothing, and aesthetic consciousness had a positive effect on appearance management behavior, among which beauty/plasticity consciousness had the strongest impact on appearance management behavior. In conclusion, this study suggests the importance and meaning of clothing in appearance management, and the collection of appearance management behavior information is also relatively different, suggesting the need for various promotion and sales strategies.
링압축시험에서 역해석을 이용한 유동응력과 마찰상수 결정법
최영,김호관,조해용,김병민,최재찬,Choi, Y.,Kim, H.K.,Cho, H.Y.,Kim, B.M.,Choi, J.C. 대한기계학회 1998 大韓機械學會論文集A Vol.22 No.3
An inverse analysis been applied to obtain the flow stress of the material. In this method, a ring-shaped specimen is compressed between two flat tools. This procedure employs, as the object function of inverse analysis, the balance of measured loads and reaction forces calculated by using rigid-plastic finite element method. The balance is explicit scalar function of flow stress which is a function of some unknown constants. For minimizing the balance, Newton-Raphon scheme is used. The friction factor, m, between flat tools and the specimen is determined by using friction area-divided method. The proposed method allows an accurate identification by avoiding the usual assumptions made in order to convert experimental measures into stress-strain relation. In this paper, the proposed method is numerically tested. A commercial pure aluminum was selected, as an example, to apply the method and the results are compared with stress-strain relation obtained by experiments.
최영은 ( Young Eun Choi ),김창환 ( Chang Hwan Kim ) 한국도서(섬)학회 2013 韓國島嶼硏究 Vol.25 No.2
This study analyzes the flora researched from 22 uninhabited islands in Buan-gun and Gochanggun of Jeollbukdo Province. In total there were 199 taxa of vascular plants, 65 families 139 genera 173 species, 1 subspecies, 23 varieties, 2 forms, and they were studied. Among these were 70 types of Jakeuntanchi-do including 35 families 58 genera 57 species, 11 varieties, 2 forms, 69 taxa of Gae-do, 51 types of Suribawi, 45 varieties of yeol-do and 43 taxa of Tanjunggeum-do in the order of the number of types. However, there was not a single plant found in Moyeo2-do, Moyeo3-do and Ganyeo-do since the environment there only consists of rocky terrains in which vegetation is hard to form. In order to analyze the characteristic of each flora, samples from the Chungnam province was collected at a higher latitude where as in the Jeonnam province, plants in the lower latitude were examined. The districts involved concerns Buangun and Gochanggun including the 22 uninhabited islands. In Buangun and Gochanggun only a minority species of Evergreen Broad leaved Trees such as the Camellia japonica and Eurya japonica which tend to be dispersed were examined. Compared to Goheung, Yeosu and Younggwang where there are diverse warm temperate species, Bunangun and Gochanggun have a less variety of vegetation. In addition a high number different vegetation was found in the uninhabited islands of Chungnam province and Gunsan city, where artificial disturbance is not severe compared to other study areas. A total of 21 taxa of Korean endemic plants were researched in the study area, which involves the South Province of the Korea. A relatively small number of Korean endemic plants, 1.96% of 1,071 Korean endemic plants (Kim, 2000), inhabit this region. The number of naturalized plants was relatively small as well, consisting of 8 taxa, 4.39% (naturalized ratio) of the whole 182 species researched in the 22 uninhabited islands and 2.49%(urbanization index) of the 321 Korean naturalized plants species. Thus, vegetation conservation and restoration measures are needed in order to protect the vegetations of Buangun, Gochanggun and the 22 uninhabited islands from human interference and disturbance. In conclusion this study was designed to identify indigenous species dispersed in Buangun, Gochanggun and the 22 uninhabited islands. The purpose of this study was to provide primary data on examining indigenous species in order to contribute to the conservation and restoration of flora and vegetation.
유효낙차에 따른 80㎾급 횡류수차의 성능 및 내부유동 해석
최영도(Young-Do Choi),임재익(Jae-Ik Lim),이영호(Young-Ho Lee) 한국마린엔지니어링학회 2010 한국마린엔지니어링학회지 Vol.34 No.4
최근 신재생에너지 연구개발과 관련하여 소수력발전에 대한 관심이 높아지고 있지만, 기존의 대수력용 수차 시스템과는 달리 소수력에 적당한 수차의 설계법이 아직 확립되어 있지 않기 때문에 고성능의 소수력용 수차의 개발이 요구되고 있다. 그러나, 복잡한 터빈의 구조에 의한 상대적으로 높은 제작단가는 소수력발전용 터빈의 개발에 큰 걸림돌로 작용하고 있다. 따라서, 본 연구에서는 수차의 형상이 상대적으로 간단하고 소수력자원에 적용하기가 용이한 80kW급 횡류형 수차에 대하여 유효낙차 변화에 따른 성능 및 내부유동에 대해서 검토하였다. 유효낙차가 증가함에 따라서 원주방향 및 반경방향 속도비가 증가하게 되며, 증가한 원주속도에 의해 각운동량이 증가하여 출력도 커지게 된다. Recently, small hydropower attracts attention because of its clean, renewable and abundant energy resources to develop. However, suitable turbine type is not determined yet in the range of small hydropower and it is necessary to study for the effective turbine type. Therefore, a 80kW-Class cross-flow turbine is adopted in this study because of its simple structure and high possibility of applying to small hydropower. The result shows that as effective head increases, tangential and radial flow velocities increase and thus, the increased tangential velocity contributes to the increase of angular momentum and output torque.