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오영택(Youngtaek Oh),유영삼(Young Sam Yoo),최정환(Jeong Hwan Choi),조경래(Kyoung Rai Cho),허 건(Geon Heo),김상우(Sang Woo Kim),김현정(Hyun-Jung Kim) 대한두경부종양학회 2010 대한두경부 종양학회지 Vol.26 No.1
Ectopic hamartomatous thymoma is a rare benign tumor of the lower neck occurring in the male adult pre-dominantly. The origin of this tumor has been debated, but it is now believed to arise from remnants of the cer-vical sinus of His from early development. They are composed of epithelial, adipocytic, and spindle cells in var-iable amounts. Recognition of ectopic harmatomatous thymoma is important and needs to be differentiated from high-grade sarcomas such as synovial sarcoma or glandular malignant peripheral nerve sheath tumor. We here report on a case of ectopic hamartomatous thymoma arising in the left lateral neck of 33-year-old male patient.
습식 클러치 시스템의 작동환경 조건별 드래그토크 특성 연구
오영택(Youngtaek Oh),장시열(Siyoul Jang) 한국자동차공학회 2021 한국 자동차공학회논문집 Vol.29 No.1
In general, the wet clutch system is used for automatic transmissions in automobiles. These wet clutch systems operate under the automatic transmission fluid(ATF) environment and their performance is greatly influenced by the ATF. Various conditions, such as oil flow rate, temperature, and clutch pad pattern, which are the main operating factors, have a significant effect on the power transmission performance by the friction mechanism either in engagement or in disengagement status. Drag torque is another factor that is greatly influenced by the ATF flow behaviors on automatic transmission efficiency, and it can be significantly reduced through a properly designed clutch pad pattern. In this study, the drag torques generated under various operating conditions of the ATF supply environment were measured in order to verify the differences of friction pad structures. Comparative experiments of various groove designs were conducted according to the SAE J2863 test modes with the SAE No #2 test machine. This study provides useful information of clutch pad design with respect to less drag torque.
양면 마찰판 오일 홈 패턴 위상에 따른 습식 클러치 드래그 토크 특성 연구
오영택(Youngtaek Oh),장시열(Siyoul Jang) 한국자동차공학회 2021 한국 자동차공학회논문집 Vol.29 No.12
The drag torque of a wet clutch is generated by the shear resistance of the transmission fluid in the gap between clutch plates during a disengagement period, thus reducing transmission efficiency. To lessen power loss in the transmission, drag torque should be reduced in the different aspects of the design. In general, oil groove patterns of a double-sided friction plate do not necessarily match the oil groove pattern phase of each side due to manufacturing difficulty and productivity. However, a double-sided clutch plate with non-phased patterns rotates with a certain gap distance from the steel plate by randomly directing the transmission fluid to the outer radius through the oil groove patterns. If the outflow is well guided through the phased groove patterns on the double-sided clutch plate, then the drag torque is lessened. In this study, the drag torque of the double-sided clutch pad is investigated with the phase aspect of the clutch pad pattern on each side of the clutch pad. Phased and non-phased, double-sided clutch pads are produced according to the drag torque measurements under various operating conditions related to flow rates, temperatures, operating speeds, and groove patterns.
2021 제주대학교 전통놀이 챔피언십 참여자들의 인식도 조사
오영택 ( Oh Youngtaek ),윤새별 ( Yoon Saebyeol ),고수현 ( Ko Suhyeon ),한지수 ( Han Jisu ) 제주대학교 해양스포츠센터 2021 해양스포츠연구 Vol.11 No.1
본 연구는 제주대학교 해양스포츠센터에서 개최한 2021. 제주대학교 전통놀이 챔피언십에 참여한 제주대학교 학생 및 교직원 101명을 대상으로 전통놀이의 인식에 대해 알아보고자 하였다. 이들은 전통놀이의 인식조사를 위해 9문항의 설문을 실시하였다. 주요결과는 다음과 같다. 첫째, 전통놀이 인식에 대한 질문에 ‘보통이다’ 53명(52.5%), 50명(49.5%) 순으로 나타났다. 둘째, 경험 및 추천의사에 대한 질문에 전체적으로 ‘있다’에 95명(94.1%), 96명(95.0%), 59명(58.4%), 87명(86.1%)으로 나타났다. 셋째, 전통놀이에 대한 교육의 주안점은 무엇이라 생각하십니까? 라는 질문에 전통문화의 계승 발전을 위해서 51명(50.5%), 전통놀이에 대한 관심이 부족하다면 가장 큰 이유는 무엇이라 생각하십니까? 라는 질문에 접하거나 배울 기회가 없어서 82명(81.2%), 전통놀이를 활성화시키기 위한 가장 좋은 방안은 무엇이라 생각하십니까? 라는 질문에 다양한 전통놀이 개발과 보급 45명(44.6%)으로 나타났다. This study was conducted at the Jeju National University Marine Sports Center in 2021. This study was conducted to find out the perception of traditional play among 101 students and faculty members of Jeju University who participated in the Jeju National University Traditional Play Championship. They conducted a 9-item questionnaire to investigate the perception of traditional play. The major results were as follow. First, 53 people (52.5%) and 50 people (49.5%) answered ‘commonness’ to the question about the perception of traditional play. Second, 95 people (94.1%), 96 people (95.0%), 59 people (58.4%), and 87 people (86.1%) answered ‘Yes’ to the question about experience and recommendation. Third, when asked, “What do you think is the main point of education on traditional play?”, 51 people (50.5%) asked, “What do you think is the biggest reason for lack of interest in traditional play?” for the succession and development of traditional culture. 82 people (81.2%) did not have the opportunity to hear or learn the question, and 45 people (44.6%) developed and disseminated various traditional play to the question, What do you think is the best way to revitalize traditional play?
사회적 지지와 운동참여 수준의 관계: 유튜브 콘텐츠의 조절효과
오영택 ( Oh Youngtaek ),한찬석 ( Han Chan-seok ),조유진 ( Cho Yoo-jin ) 제주대학교 해양스포츠센터 2022 해양스포츠연구 Vol.12 No.2
본 연구의 목적은 생활체육 참여자들을 대상으로 사회적 지지와 운동참여 수준 간의 관계에서 유튜브 콘텐츠의 조절 효과를 확인하는데 있다. 연구대상은 경기도, 제주특별자치도에 소재한 생활체육 참여자 202명을 연구대상으로 선정하였다. 이들은 사회적 지지, 유튜브 콘텐츠, 운동참여 수준 측정지에 응답하였다. 수집된 자료를 분석하기 위해 SPSS 24.0, SPSS PROCESS Macro 프로그램을 사용하여 분석하였다. 주요 결과는 다음과 같다. 사회적 지지는 운동참여 수준에 유의한 정(+)의 영향을 미쳤다. 사회적 지지와 유튜브 콘텐츠의 상호작용은 운동참여 수준에 높은, 중간 수준에서 유의한 상호작용을 미쳤다. 이와 같은 결과는 유튜브 프로그램 활용, SNS 활동 등 온라인 커뮤니티를 적극적으로 활용하여 신체 활동의 중요성, 참여 능력을 높이는데 시사점을 제공한다. This study aims to confirm the moderating effect of YouTube content on the relationship between social support and exercise participation level for participants in sport for all. The research subjects were 202 living sports participants located in Gyeonggi-do and Jeju Special Self-Governing Province. They responded to social support, YouTube content, and exercise participation level measures. Data analysis was carried out with SPSS 24.0 and SPSS PROCESS Macro programs and the main results are as follows. Social support had a significant positive effect on the level of exercise participation and the interaction between social support and YouTube content had significant interactions at high and medium levels of exercise participation. These results suggest that the active use of YouTube programs, social media, and other online communities were implicated in having the ability to increase the reported importance of and participation in physical activity.
중국 대학생들의 운동 참여수준과 스포츠 애호도 간의 관계: 재미요인의 매개효과 검증
오영택 ( Oh Youngtaek ),양명환 ( Yang Myung-hwan ) 제주대학교 체육진흥센터 2022 체육과학연구 Vol.28 No.-
The purpose of this study was to examine the mediating effect of the fun factor on the relationship between the level of exercise participation and sport loyalty for Chinese college students. The subjects of this study were 212 university students from X University in Xi’an, China. They responded to the exercise participation level, fun factor, and sport loyalty on the scale. The collected data were analyzed using SPSS18.0 and SPSS Macro PROCESS statistical programs. The main results were as follows. First, First, exercise participation level had a significant positive(+) effect on health promotion, social development, and experience of achievement. Second, exercise participation level had a significant positive(+) effect on sport loyalty. Third, social development and experience of achievement had a significant positive(+) effect on sport loyalty. Fourth, exercise participation level had a significant indirect effect on sport loyalty through social development and experience of achievement. These results suggest that when you have fun through participating in sports, you can feel a sense of happiness such as flow and attachment to the sport.