봄철 태양열 하이브리드 시스템의 부하조건 변화에 따른 운전특성 연구

표종현(Jong-Hyun Pyo),김원석(Won-Seok Kim),조홍현(Honghyun Cho),류남진(Nam-Jin Ryu) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-

This study describes experimental study on the performance characteristics with load condition in hybrid solar heating system during spring season. The room temperatures, the hot water conditions and the lower part temperatures of heat storage tank were changed to analyze the system performances. As a results, the hot water was significantly affected by the ambient temperature. The indoor setting temperature affected the solar fraction. When the low part temperature of the storage tank increased, the temperature of the hot water rose and the temperature of the hot water in morning was affected by the ambient temperature.

봄철 태양열 하이브리드 시스템의 성능특성 연구

표종현(Jong-Hyun Pyo),김원석(Won-Seok Kim),조홍현(Honghyun Cho),박차식(Cha-Sik Park) 대한설비공학회 2010 설비공학 논문집 Vol.22 No.5

An experimental study was carried out to investigate performance characteristics of the hybrid solar system during spring season. The system operating condition, each load, and heat pump performance were analyzed with the cloud cover. As a results, the collector heat, solar fraction, and hot water load were decreased with a rise of the cloud. The heating load was considerably effected by the ambient temperature regardless of the cloud cover. Besides, the temperature of hot water increased with the solar radiation. The COP of the heat pump was significantly influenced by the ambient temperature, that was 2.09∼2.46 for gray day and 1.94∼2.71 for fair day, respectively.

열펌프 작동온도 변화에 따른 태양열 하이브리드 열펌프 시스템의 운전 특성 연구

김원석(Won-Seok Kim),표종현(Jong-Hyun Pyo),조홍현(Honghyun Cho) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6

An experimental study was carried out to investigate operating characteristics of a solar hybrid heat pump system with operating conditions. The heat pump performance was analyzed with the hot water temperature, collecting temperature and heat pump operating temperature. As a results, the hot water temperature were significantly affected by the heat pump operating temperature at the morning(time 1) and noon(time 2). The hot water temperature was set by the radiation quality and collecting operation time at the afternoon(time 3). In addition, the operating characteristics of a heat pump was significantly influenced by the heat pump operating temperature.

실내설정온도에 따른 태양열 하이브리드 열펌프 시스템의 성능 고찰

김원석(Won-Seok Kim),표종현(Jong-Hyun Pyo),조홍현(Honghyun Cho) 대한설비공학회 2010 대한설비공학회 학술발표대회논문집 Vol.2010 No.6

The performance of solar hybrid heat pump system with indoor setting temperature were analyzed by the using an experimental study during winter season. The system was consisted of a concentric evacuated tube solar collector, heat medium tank, heat storage tank, and heat pump. As a results, the supply heating of heat pump increased proportionally with operating time. As the difference between ambient temperature and indoor setting temperature increased, the supply heating and heating load increased simultaneously. The optimum indoor setting temperature was 25℃ for given operating condition. In case of the indoor setting temperature is 27℃, the FCU operation time was increased significantly.

운량에 따른 태양열 시스템의 성능 분석에 관한 연구

김원석(Won-Seok Kim),표종현(Jong-Hyun Pyo),조홍현(Honghyun Cho),류남진(Nam-Jin Ryu) 대한설비공학회 2009 대한설비공학회 학술발표대회논문집 Vol.2009 No.-

In this study, the performance of solar assisted hybrid heat pump system with cloud cover were analyzed by using experimental method in spring season. It was consisted of concentric evacuated tube solar collector, heat medium tank, heat storage tank, heat pump, and so on. As a result, the solar radiation should be maintained over 4.1 MJ/㎡ in order to operate solar heating system for heating. Solar heat of collector wasn't affected by ambient temperature, but cloud cover has a big effect to collector efficiency. In addition, the collector efficiency is about 50-60%, and solar fraction is 40% for this system.

초등학생의 태권도 수련이 신체적 자아개념에 미치는 영향

표종현 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.3

This study investigated the possibility that elementary school students' Taekwondo training might have some influence on their physical self-description. 900 elementary school students were chosen as subjects for this research. Of them, some were being trained in Taekwondo, and others were not. Among 900 questionnaires, 95 questionnaires were deemed untrustworthy, because of double-marked and/or non-answered replies. Therefore, 805 questionnaires were used to analyze the results. The questionnaire used in this research was reconstructed from Byong-Jun Kim's questionnaire, originally derived from Marsh's Physical Self-Description Questionnaire(PSDQ). On the base of the research data, one-way ANOVA, two-way ANOVA, and t-test were performed. The results are as follows. 1. The result of the comparison between a Taekwondo training group and a non-training group showed that the Taekwondo training group had a higher physical self-description than non-training group. 2. Among the Taekwondo training group, male students perceived physical strength and sport efficiency higher than female students. Between male and female students, however, there is no significant difference in general physical self-description. 3. As a result of a comparison of the training period, long-term trainees perceived higher physical self-description than short-term students. Short-term trainees perceived higher physical self-description than non-training students as well.

정신건강 증진을 위한 운동요법의 개발

표내숙,표종현 부산대학교 사범대학 2002 교사교육연구 Vol.41 No.-

The purpose of this research was to development of the movement therapy. To achieve this purpose, 5 experimental case study was used as a research methodology. The results were as follows. First, the effective methods of movement therapy were dance therapy, swimming therapy, taekwondo therapy, and danjun breathing therapy. Second, I recommend to movement therapy those who are limbs handicapped, mentally retarded, the advanced age of seventies and fatted high school girls etc. Third, It took above half year to cure mental and psychological disorder. Fourth, The measurement apparatus of movement therapy effectiveness were SCL-90-R, anxiety text, RT, EEG, EMG, hart rate and blood pressure etc.

체육교사의 교수행동이 수업만족에 미치는 영향

류민정,표종현,표내숙 釜山大學校 附設 體育科學硏究所 2005 體育科學硏究所 論文集 Vol.21 No.2

The purpose of this study was to investigate teacher's teaching behavior and class satisfaction which students perceived in physical education. It was also processed to find out the influence of teaching behavior on class satisfaction in physical education. The data was collected from students in middle schools using the CBAS and class satisfaction questionnaire and 443 date were analyzed......

반응시간 이해와 새로운 접근

안정덕,표종현 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.3

This study is to construct the scientific system of reaction time based on the research results until now, and present new research direction. The study of reaction time since then performed by Cattail's experiment on 1880 for estimation of human power has been an important independent variable in analysis of information processing together with appearance of the cognition psychology(Maisto & Baumeister, 1984), and Donders(1969) who tried to test the stages of processing in human behavior firstly. He assumed that the information processing was performed in serially, and planed experimental design that constituted simple RT, choice RT, discrimination RT. These design has been used to understand human movement action to date. Reaction time is influenced by personal factors (gender, age, physiological condition, amount of practice) and environmental factors ( stimulus intensity, stimulus-response compatibility, number of stimulus alternatives, response complexity). One variation of the RT method is EMG trace taken from a muscle involved in the movement. This paper introduce TeleScanⅡ-EMG measurement device(LAXTHA Inc, 2001), which analyze RT into premotor RT and motor RT. RT is continuously studied not only the academic basic of motor control but also clinical data in human movement.

남·여 중학생의 신체적 자기효능감에 관한 연구

천경민,표종현 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.3

The purpose of this study was to investigate physical self-efficacy of middle school students. The subjects of this study were 386 second grade middle school students in Pusan. The 386 students were composed of these categories; 95 students in an academical bottom group who were the order of seats out 90% of the whole, the 63 20%BF who had over 20% body fat, the 130 general students who were except for academical top group students, academical bottom group students, and obese students. The method of measurement used was the Physical Self-Efficacy Scale. The data was used by One-way, Two-way ANOVA, and Duncan's Multiple Range as statistical method. The level of significance of all hypotheses tested was p<.05 and the results were as follows: 1. The physical self-efficacy of the top range students was higher than that of the bottom range students with physical ability and physical self-presentation confidence within physical self-efficacy was higher than of low range students. 2. The physical self-efficacy of the boy students was higher than that of the girl students. 3. The physical self-efficacy of the general students was higher than that of 20%BF students. 4. The physical self-efficacy of the academical top group students was higher than that of the academical bottom group students.