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코치의 자율성지지, 동료의 또래동기분위기와 운동선수들의 기본 심리적 욕구의 관계
이예승(Ye Seung Lee),박진훈(Jin Hoon Park),송용관(Yong Gwan Song),이철(Chul Lee) 한국사회체육학회 2014 한국사회체육학회지 Vol.0 No.56
The purpose of this study was to explore the influences of coach`s autonomy support and peer motivational climate on athletes` psychological needs for autonomy, competence, and relatedness in youth sport. This study examined the structural relationships between coach autonomy support, peer motivational climate and basic psychological needs for youth athletes. For this, self-reported response data using on sport climate questionnaire (SCQ), peer motivational climate questionnaire (PMCYISQ) and basic psychological needs (BPN) from 322 youth athletes were analyzed by correlation and structural equation modeling (SEM). The results, autonomy-supportive coaching is the best predictor of task-involving motivational climate and autonomy in the youth athletes. The results of this study implied the importance of the autonomy-supportive on enhancing team climate, performance, inter-personal relations and intrinsic motivation. Therefore, this study suggests that the education of physical and filed will be insight by the coaching styles were create an positive team climate and promote of basic psychological needs for youth athletes.
수소 탱크의 낙하 시험 환경 조건 결정을 위한 풍하중하의 거동 해석
이예승(Y.S. Lee),허덕재(D.J. Hur) 한국전산유체공학회 2021 한국전산유체공학회지 Vol.26 No.3
In general, gaseous hydrogen is stored under high pressure due to its low density. So, hydrogen tanks for transportation must undergo rigorous safety evaluation to protect passengers. In this study, the behavior analysis through flow analysis was performed to determine the environmental conditions of the drop test, which is a test to evaluate the impact durability of hydrogen tanks. That is, according to the wind speed, the change of the pressure distribution and displacement and rotation angle of the hydrogen tank were analyzed. As a result of the analysis, it was found that the acceleration of the hydrogen tank showed a relatively small change even when the wind speed was high, and the displacement of the hydrogen tank was within a controllable range. However, when the wind speed increases, the increase in the rotation angle of the hydrogen tank appears to be large. Therefore, it was found that the wind speed criteria for the experiment should be limited to a certain speed in order to increase the reliability of the test results.
수소 용기의 저온 및 고온 반복 가압 시험을 위한 열교환기의 운용 조건 분석
이예승(Yeseung Lee),공만식(Man-Sik Kong),전호병(Hobyung Jun),정찬호(ChanHo Jeong),허덕재(Deog-Jae Hur) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
Since gaseous hydrogen has a low density, it should be compressed and stored under high pressure to be used as a fuel for transportation. Therefore, strict evaluation of hydrogen tanks is required to ensure the safety of passengers. In this study, operating conditions of heat exchanger were analyzed for the design of equipment that performs repeated pressurization tests on hydrogen tanks. The heat exchanger and working fluids were selected to be used in the same configuration in low and high temperature tests. Flow rate and temperature of the refrigerant were adjusted to maintain the target temperature of antifreeze. According to the numerical analysis results, due to the latent heat of evaporation, the mass flow rate of R507A was six times higher in the high-temperature test than in the low-temperature test. However, if the R507A is compressed in the high-temperature test, the volumetric flow rate in the high-temperature test can be equal to or lower than the low-temperature test.
이예승 ( Lee Ye Seung ),이영선 ( Rhee Young Sun ) 한국보건사회연구원 2015 保健社會硏究 Vol.35 No.3
본 연구는 정신장애인의 회복의 구성개념을 밝히고, 유형화한 후, 각 유형의 특성을 분석하는 것을 목적으로 하여 진행하였다. Q방법론을 활용하여 분석하였으며, Q모집단은 심층면접, 문헌조사를 통해 285개의 표본을 도출한 후, 최종 35개의 Q진술문을 확정 하였다. P표본은 정신장애인, 가족, 전문가를 포함한 30명이며, 강제 정상분포방식에 따라 P표본에게 Q진술문을 척도상에 분류하게 하였다. 수집된 자료는 QUANL PC프로 그램을 통해 분석하였다. 정신장애인의 회복에 대한 구성개념 유형은 4개의 유형으로 분류되었다. 각 유형별 강한 긍정과 강한 부정을 보이는 항목, 다른 유형과 차이가 두드러지는 항목, 면접조사 내용을 분석하여, 제 1유형은 `사회적 관계형-세상 속으로 나아가 는 삶`, 제 2유형은 `정상 추구-잃어버린 건강을 되찾은 삶`, 제 3유형은 `자기만족형-자족 하는 편안한 삶`, 제 4유형은 `자기관리형-자기 앞가림을 하는 삶`으로 명명하였다. 이 결과를 바탕으로 정신장애인을 위한 임상현장에서, 정신보건 전문가의 양성과정에서 사정과 교육과 훈련을 위한 기초자료로 활용되기를 기대한다. The aim of study is identifying the construct of recovery among mentally disabled people and analyzing the trait of each types in it. This research was used Q methodology. The 5 consensus items and 4 factors were identified while the investigation of the recovery factors. The contents of the whole consensus items were keeping their composure that enjoyed their life and considered the troubles of other people accepting the mental disorder as parts of their life and standing the pain based on rapports and cooperation with the experts. So those keywords of the consensus items were `collaboration with others` and `peace in mind`. Four factors drawn from this analysis are as the following : The first factor named as `Social relationship`, the second factor named as `Enhancement of normality`, the third factor named as `Self- satisfaction`, the Final factor named as `Voluntary self- management`. Based on the findings, we suggested the policies and practical plans.