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일정 벽면 온도 조건에서 이성분 혼합물의 핵비등시 벽면 열유속 거동
배성원,이한춘,김무환,Bae, Sung-Won,Lee, Han-Choon,Kim, Moo-Hwan 대한기계학회 2000 大韓機械學會論文集B Vol.24 No.9
The objective of this work is to measure space and time resolved wall heat fluxes during nucleate pool boiling of R113/R11 mixtures using a microscale heater array in conjunction with a high speed CCD. The microscale heater array is constructed using VLSI techniques, and consists of 96 serpentine platinum resistance heaters on a transparent quartz substrate. Electronic feedback circuits are used to keep the temperature of each heater at a specified temperature and the variation in heating power required to keep the temperature constant is measured. Heat flux data around an isolated bubble are obtained with triggered CCD images. CCD images are obtained at a rate of 1000frames/second. The heat transfer variation vs. time on the heaters directly around the nucleation site is plotted and correlated with images of the bubble obtainedby using the high speed CCD. For both of the mixture(R11/R113) and pure system(pure R11, pure R113), the wall heat fluxes are presented and compared to find out the qualitative difference between pure and binary mixture nucleate boiling.
이상돈(Sang Don Rhee),배성원(Sung Won Bae) 한국사회체육학회 2008 한국사회체육학회지 Vol.0 No.34
The purpose of this study was to apply a consumer decision-making model to specific shopping styles involving athletic apparel and to examine specific shopping pattern differences between selected university students. For this study, quantitative research was conducted to analyze the effect of seven factors: brand, quality, recreation, confusion, fashion, impulse, and price consciousness on a revised scale of Consumer Style Inventory(CSI), invented by Sproles and Kendall(1986), following a pilot study. For this study, there were 553 males and 288 female college students from a total of 841 samples, were usable data. In order to analyze three research questions for this study, frequency analysis, 2×4 MANOVA, ANOVA, and mean comparisons were performed to analyze specific-shopping pattern differences between selected university students. As a result, male and female college-aged consumers were different shopping patterns in relation to on quality and price consciousness according to Wilks` Lambda=0.936;F=8.084b, p=.000. However, there were no statistically significant differences among college classifications. Also, there were no interactions between gender and college classifications.
학생선수의 지각된 사회적 지지와 역할취득, 자아정체성, 학교생활적응 간의 가설적 인과모형
이혁기(Hyuck Gi Lee),배성원(Sung Won Bae),최정웅(Jeong Woong Choi) 한국사회체육학회 2011 한국사회체육학회지 Vol.0 No.44
The purpose of this study was to analyze the causal model among perceived social support, role taking, self-identity and school adjustment of a student-athlete. For this study, participants were 288 students-athletes from elementary, middle, high school, and colleges; convenience sampling was applied. AMOS 7.0 Program was performed to analyze the Structural Equation Model (SEM). As a result, the social support was a direct effect to the role taking. The role taking was directly influenced to the self-identity and school adjustment. Selfidentity was a direct effect to school adjustment. Finally, social support was indirectly influenced to self-identity and school adjustment.