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김기용(Giyong Kim),김진아(Jinah Kim),무하메드 우스만 자베이드(Muhammad Usman Javaid),조한철(Hanchul Cho),김성열(Sung Yeol Kim),박진형(Jinhyoung Park) Korean Society for Precision Engineering 2021 한국정밀공학회지 Vol.38 No.4
A major goal of triboelectric generator is to improve its power output by identifying and optimizing the factors contributing to the harvesting capability. In this study, we developed a double-contact triboelectric nanogenerator (DC-TENG) capable of two contact and separation pairs by adding an additional air-gap layer. The voltage and current output was characterized as a function of the contact speed, position, stroke time (ST), standstill time (SST), and the existence of two air-gaps. The voltage and current output increased non-linearly with decreasing the times. The DC-TENG produced the maximum voltage and current output when the ratio of ST to SST was 7 to 3. Our prototype resembling a pavement block was capable of lighting 144 LED lights by producing a maximum output of 650 V, 25 μA at a pressure of 0.5 kgf/cm².
한옥기반 레스토랑의 실내건축에 나타난 한국성 표현에 관한연구 : 북촌지역과 인근 도시한옥을 중심으로
김기용(Kim ki yong),이현수(Lee hyeon su) 한국디자인학회 2010 한국디자인학회 학술발표대회 논문집 Vol.2010 No.10
The purpose of this study is to identify the Korean design characteristics and analyze the spatial structure and the interior design elements of selected Korean restaurants in Buck-chone. To achieve the study purpose, 5 Korean restaurants selected by survey were investigated by taking photographs, context-analysis, writing on the analysis instrument. The Korean traditional design elements were represented on interior design in various forms. They were copied, transformed and simplified as a geometrical shape. Also, it was found that there is a concept treating the each spaces. The conclusion of this study is as follows; Harmony between traditional and alien elements should be considered. Reproducing the original expression of Tradition is not so important in the contemporary lifestyle than mixing the foreign, contemporary and traditional elements with harmony in Korean concept.
김기용(Ki-Yong Kim),김경미(Gyung-Mee Gim),이상미(Sang-mi Lee) 한국농촌지도학회 2017 농촌지도와 개발 Vol.24 No.3
The purpose of this study was to identify differences by business m otivation of agro-healing farms in Korea. A survey was conducted for entrepreneurs in agro-healing farmers with self-administered questionnaires. Main results of this study were as follows: First, business motivation of agro-healing farms in Korea can be classified to 1) education-oriented, 2) care-oriented, and 3) sale revenue–oriented motivation. Second, care-oriented farm s provide healing services to people in need like the disabled. These farms may be required a long-term program such as residence-required format. And these farms need supports of health and medical service personnel or institutions. Third, sale revenue–oriented farms have sources of main income from agricultural products or processed goods made in these farms. Therefore, these farms may be required a business strategy such as product development, marketing rather than agro-healing programs. fourth, the estimation of a Multinominal logistic regression model determines the characteristics of agro-healing entrepreneurs who are most likely to opt for each type motivation of participating for agro-healing farm business. the most important determ inants on business motivation of agro-healing farm s were ‘participants type in programs’, ‘program operating time’, ‘supporting health and medical service personnel or institutions’ and ‘program revenue ratio in farm operating revenue’.