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황범철(Hwang Beom-Cheol),허진영(Huh Jin-Young),임현묵(Lim Hyun-Muk) 한국체육과학회 2010 한국체육과학회지 Vol.19 No.4
The purpose of this study was to identify the casual relationship among self-efficacy, social support, type of career decision-making, and career decision-making attitude for students majoring TaeKwonDo. Subjects (N=630) were selected from 23 different universities by using the convenience sampling technique. The data were recorded and analyzed using the AMOS 7.0 statistical computer package to do an EFA and SEM. The results from EFA and Structural Equation Model are followed. First, self-control efficacy has significantly influenced on social support. Second, self-confidence has significantly effect on career decision-making. Third, emotional and appraisal support has influenced on career maturity while information support has influenced on career preparation behavior. Fourth, intuitional type of career decision has significantly influenced on the level of career decision-making and career maturity, but the rational type have significantly influenced on the career preparation behavior. Overall, self-control efficacy which is sub factor for self-efficacy is a variable that has influenced on career decision-making attitude through social support and type of career decision-making. Therefore, this study indicated that when TaeKownDo major students perceive their social support as an important support source, students may have more effort for rationally career decision-making with self-confidence.
영구자석을 이용한 복수기 집수정 내부 자성이물질 제거장치 개발
배준호(Jun-Ho Bae),김문생(Moon-Saeng Kim),황범철(Beom-Cheol Hwang),김철(Chul Kim) 대한기계학회 2009 大韓機械學會論文集A Vol.33 No.9
In this paper, permanent magnets were used to remove magnetic sludge in the condenser of the power plant. To obtain the flow characteristics and magnetic information that are needed for determining a proper design of the magnetics sludge removal apparatus, numerical simulations were performed through the use of two commercial codes, ANSYS Workbench-Emag and CFX. Experiments were also performed on various kinds and sizes of magnets to obtain the magnetic information through a gauss meter. By analyzing the results of simulations and experiments, the minimum magnetic force that is able to remove the any size of the magnetic sludge in the condenser was calculated, and the design of the removal apparatus was confirmed. The test model which was confirmed by simulations and experiments was made. After testing, the test results were compared with those of numerical simulations and have good agreements.