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조규화 ( Kyu Hwa Cho ),김지영 ( Ji Young Kim ),이인숙 ( In Suk Lee ) 한국패션비즈니스학회 2011 패션 비즈니스 Vol.15 No.1
This study is the design case analysis of seamless knitwear in order to suggest a new direction of high value-added seamless knitwear and seek for its possibility. Seamless knitwear is the up-to-date knit product that is made by a knitting machine without sewing, and it maintains elasticity of a material itself and is the closest type to the essence of knitwear. The seamless knitwear can satisfy satisfaction of customers with more elegance and individuality and become a method to develop a high value-added design. This study suggests a new direction for the 21st century knitwear design through a practical approach of seamless knitwear designs, pursues a high value fashion, and contributes to improving national competitiveness of fashion industries in order to be a practical research data for seamless knitwear designs.
전동차 주습판(Pantograph Slider) 재질 개선에 관한 연구
조규화(Kyu-Hwa Cho),박시영(See-Young Park),권순일(Soon-Il Kwon) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.5
판터그래프의 주습판은 접촉마찰 의한 마모 및 마찰열에 의해 과마모, 그리고 편마모 현상이 나타나게 된다. 이런 현상을 최소화하여 전동차 운행에 초래되는 지장을 예방키 위해 내마모 특성이 우수한 재질을 개발해야 한다. 마모는 기후의 영향도 받게 되는데, 우기에 윤활성분의 이탈로 마찰계수가 증가되고 결국 편마모가 발생하게 된다. 최적의 내마모 특성을 가져야 하는 동계 주습판의 특성을 고려하여 합금 설계를 통해 제작된 개선 주습판으로 현차시험을 하였다. 개선된 주습판에서는 이상마모와 편마모는 발생하지 않았다. 이는 주습판의 밀도 향상 및 Fe-Ti 금속간화합물 입자 분산에 의한 부석효과로 인해 이상마모가 발생되지 않았으며, 소성변형을 억제하여 내마모성을 향상시키는 현상도 규명하였다. The slider of the pantograph is the power collector that is supplied electricity from the catenary. As it moves in direct contact with the catenary, the wear and the frictional heat cause the severe and the uneven wear. To minimize the damage that might threaten the rolling stock operation, it is necessary to develop the new material which has excellent wear resistance. The climate affects the wear and because during the rainy season the lubricating ingredient in slider exits, the friction factor increases. Therefore, we used the copper alloy(Cu-type) to enhance the wear resistance characteristic of the slider. In the driving test using the improvement slider, abnormal wear of uneven wear were not observed. We demonstrated that the increased density of the slider improved the corrosive effects of the Fe-Ti intermetallic compound and prevented the abnormal wear. In addition, the increased density inhibited the plastic deformation of the slider to enhance the wear resistance.
기초지방의회의 의정활동이 지역민 만족도에 미치는 영향요인에 관한 연구
조규화 ( Gyu Hwa Cho ) 영남대학교 한국균형발전연구소(구 영남대학교 영남지역발전연구소) 2014 한국균형발전연구 Vol.5 No.3
1949년 7월 4일에 처음으로 실시된 지방자치제도는 많은 발전을 거듭하여 지역문제 해결, 지역발전을 위한 많은 기여를 하였다. 지역의 문제를 주민 스스로 해결하고자 하는 지역민의 관심과 참여의식이 많이 제고되었으며. 지역공무원들 또한 봉사마인드, 지역민 우선의 의식이 획기적으로 개선되었다. 하지만 이러한 성과에도 불구하고 지방자치로 인한 님비, 핌피, 외유성 해외시찰, 호화청사 건립, 업적중심의 과도한 사업 등 예산낭비 등의 문제점도 나타나고 있다. 특히, 이러한 문제제기에 대해 지방의회가 견제기관으로서의 역할을 감당하지 못한다는 비판이 강하게 제기되고 있다. 이러한 배경 하에 본 연구는 기초지방의회의 의정활동 중 지역민의 만족도에 미치는 영향요인(개인적 요인, 정치적 요인 제도적 요인, 주민참여 요인)을 중심으로 한 FGI분석을 통하여, 기초지방의회가 주어진 역할을 성실히 수행하고 주민 만족도를 향상시키기 위한 방안에 대하여 제시하였다. Local Autonomy had contributed much for the welfare increase of the local residents and regional development. However, despite of the external environment, the integrity of a local council is low because of a inappropriate overseas trip and subsidiary duty, bribery, excessive compensation. In addition, legislative activities are not enough compared to the excessive salaries and it is recognized that the local council considers only its self-interest as a political group. In particular, there are many opinions that a local council should be abolished because of the issue of the local councilors`s eligibility and work of duplication with regional local council. In line with this perspective, this paper is study on influence factors of local residents satisfaction on the activities of basic local council. In order to this study purpose, factors contributing to the satisfaction of local residents are classified into four cases such as individual factors, political factors, institutional factors, residents participation factors. These factors are reviewed through focus group interview(FGI) with basic local councilors, civil servants, NGOs, professors, etc.
서울시내(市內) 여중고생(女中高生)의 화장품(化粧品) 소비실태(消費實態) 조사연구(調査硏究)
조규화 ( Kyu Hwa Cho ),전보경 ( Bo Kyung Chun ) 한국패션비즈니스학회 2000 패션 비즈니스 Vol.4 No.3
The purpose of this study is to offer basic data to adolescents` cosmetic culture by investigating and analysing the choices made by female students who have been becoming principle consumers of cosmetics these days. Firstly, social and cultural backgrounds and concepts of N generation, and then characteristics and influencing powers of female students were reviewed. And this study also included questionnaire surveys of 500 female students in middle and high schools located in Seoul. Data were processed using a SPSS+ program and analyzed by using frequency, percentage and the X2-test. The major findings run as follows: Female students have the effects of spreading their words quickly and abilities of making a decision what to buy. And they accept consuming behaviors itself as a part of cultural lives. Therefore, industries have acknowledged them as new principal consumers with a powerful influence in the market. They also play an important role in active consumer as emotional generation who has distinct personalities and prefer fashion trends, changes and innovations. They show conformities with their peer groups and they also want to identify themselves with characters or stars. The cosmetic behaviors of female students relating to demographic characteristics showed a significant relation to grades, majors, school groups and places of residence. Female students have a lot of interest and knowledge about cosmetics. And they use various cosmetic products. This study demonstrated the age for using make-up for the first time has been becoming younger more and more. Recently, female adolescents tend to use face powder, lip gloss, mascara and eye shadow. It is assumed that cosmetic purchases of female students can be considered as an impulsive aspects. However, before purchases, the proportion of students having any particular cosmetic brand in mind previously has been increasing. They take into consideration skin safety, the quality of product and color, when purchasing cosmetic products.