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Preliminary Studies on the Evaluation of Mechanical Properties of Industrial Fabrics
이태현,김지영,강금영,조현혹,김한성,Lee, Tae-Hyun,Kim, Ji-Young,Kang, Kum-Young,Cho, Hyun-Hok,Kim, Han-Seong The Korean Fiber Society 2008 한국섬유공학회지 Vol.45 No.4
In this study, the objective is the evaluation of the mechanical properties of industrial fabrics. There are several methods currently used ranging from the KES-FB System to the Fast System with the former used most widely. There are limitations, however, in employing the KES-FB system for evaluating thick fabrics used for industrial applications, such as shoes or seat covers. In this preliminary study, the fundamentals for a new system for objective estimation of industrial fabrics are established. The basic limitations of both the new system and the KES-FB system in the evaluation of very thick and strong fabrics are then compared and contrasted. Tensile, shear, and bending were the properties of focus, with the feasibility of development of the new system discussed.
미국 주요대학들의 창업 프로그램 분석: 한국 대학의 창업생태계 구축의 시사점 연구
이태현,김휘택,김윤경,Lee, Tae Hyun,Kim, Hui Taek,Kim, Yoon Kyoung 한국벤처창업학회 2015 벤처창업연구 Vol.10 No.1
This article focuses on an analysis of entrepreneurship education programs at U.S. college and universities in order to determine distinctive features of those programs. To this end, we delved into the entrepreneurship programs including Martin Trust Center for MIT, Harvard University VIP program, Polsky Center of Chicago University and Stanford University program. By analyzing major roles, curriculums, and characteristics of the programs, three types of distinctive features emerged. The first feature is dynamic education-focused programs, which provide students with opportunities for applying what they have learned through startup competitions. The second is local-based programs, which take the lead in local startups by focusing on the local industry. The third is the programs with support and encouragement for startups. Based on the three types of features, we suggested critical factors for successful entrepreneurship education. 본고는 미국의 창업 교육 프로그램의 주요한 구성적 특징을 파악하기 위하여 미국 주요대학들의 창업 프로그램에 대한 분석을 수행하였다. 분석에 포함된 프로그램은 MIT의 Martin Trust Center for MIT Entrepreneurship, 하버드 대학의 Harvard Innovation Lab에서 수행하는 Venture Incubation program(VIP), 시카고 대학의 Polsky Center for Entrepreneurship & Innovation, 스탠포드 대학의 Center for Entrepreneurial Studies(CES)이다. 이 프로그램들의 대학 내 주요 역할, 커리큘럼, 특징을 파악하고, 관련 선행 분석을 참고하여 미국 대학의 창업 지원 프로그램이 지닌 세 가지 유형의 구성적 특징을 파악하였다. 첫 번째는 역동적 교육중심형으로, 창업 경진 대회를 통해 학생들이 기업가정신 교육에서 배운 내용을 실제적으로 적용할 수 있는 기회를 제공하는 프로그램들이 이 분류에 포함되었다. 두 번째는 지역밀착형으로 대학이 위치한 지역의 산업 기반과 형태를 고려하여 지역의 창업 열풍을 주도하는 대학들이 포함되었다. 마지막은 창업 지원 유도형으로 교육과 실제 창업이 연결과는 선순환 구조를 구축하고 학생들의 창업에 대학이 직접적인 자본을 투자하는 프로그램들이다. 이러한 분류에 의거하여 학생들의 창업을 장려하고 성공적인 창업을 돕기 위한 주요 요인들을 제안하였다.
마스터즈 수영대회 참가자와 일반수영 참가자의 신체상 및 자아존중감 비교
이태현(Lee Tae-Hyoun),전현지(Jun Hyun-Ji),이달원(Lee Dal-Won),이성노(Lee Seong-No) 한국체육과학회 2010 한국체육과학회지 Vol.19 No.4
The purpose of this study is on the comparison of the body image and self-esteem by participants of masters swimming and ordinary swimming. Taking part in a professional swimming is rather constant and competitive than the general swimming contest so that masters swimming participating would help to get the body image and self-esteem and offer proper data for participants for various swimming programs. Conclusion from the finding of this study is that masters swimming participants regularly take part in sports that can be the best way to enhance physical shape and self-esteem and enjoy sports of professional experience in a new point of view.
이태현(Lee Tae-Hyun),이성노(Lee Seong-No) 한국체육과학회 2010 한국체육과학회지 Vol.19 No.2
The purpose of this study is to enhance the understanding and satisfaction of students' physical education by closely examining the class satisfaction according to the fun element by gender and region(metropolitan city, city, and suburb) of middle school students. The subjects were middle school students in Daegu and Kyungbuk areas. Survey data of 793 students out 900 students through Quotas cluster sampling method were adopted as a fmal data Survey used this study was consisted fun element(experience of achivement, freedom, atractive of teacher) and class satisfaction(guidance, environment, administration, health life). After explaining the details and contents of the survey, the self-administration method was used. For the data processing, the statistics program of SPSS 15.0 was used and the significance level was set at .05. The covariance and two-way ANOVA were used for statistics while LSD method was used for post-hoc analysis. In conclusion, the result of covariance analysis shows significant difference in all areas. Also, in the fun elements and class satisfaction according to the gender and the area showed the highest significance in the suburb while the gender difference was only in the freedom and accomplishment. In the fun elements and class satisfaction according to the gender and the area, the suburb had the highest significance.
이태현 ( Tae Hyun Lee ),최재혁 ( Jae Hyuk Choi ) 한국컴퓨터교육학회 2009 한국컴퓨터교육학회 학술발표대회논문집 Vol.13 No.2
PC 사용자 환경이 CUI에서 GUI로 바뀜에 따라 입력장치도 문자 입력 장치 보다는 위치 입력 장치를 주로 사용한다. 위치 입력 장치는 다양한 형태의 제품들이 있지만 이 중 가장 직관적인 터치스크린의 사용범위가 점차 확대되고 있다. 교육 환경에서도 터치스크린을 사용한 전자 칠판의 보급이 점차 늘어나고 있는데 아직까지 여러 가지 문제들로 인해 가격이 상당히 높은 편이다. 기존 터치스크린이 가지고 있는 문제점을 해결할 수 있는 새로운 방식의 터치스크린을 제안하고 실제로 구현하고자 한다.
CFRTP-SPFC980Y 이종소재 접합부 기계적 특성 평가
이태현(Tae Hyun Lee),오제훈(Je Hoon Oh),감동혁(Dong-Hyuck Kam) 대한용접·접합학회 2020 대한용접·접합학회지 Vol.38 No.5
In this study, the mechanical characteristics of CFRTP/SPFC980Y dissimilar joints were evaluated. Bolt/nut, SPR (Self Piercing Rivet), and hybrid (bolt/nut & adhesive) joining were selected to evaluate joint properties. In the bolt/nut joining case, the effect of washer application in the joint behavior was observed, and the tightening torque was optimized. In SPR joining, CFRTP and SPFC980Y lacked formability, so SPR joining was possible by applying the additional sheet. For hybrid (bolt/nut & adhesive) joining, cause the bolt"s preload, the tensile shear load was lower than the applied adhesive joint. Nevertheless, the highest toughness was obtained in the hybrid joint due to the stress distribution effect by adhesive.