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      • 345/154KV 전력소 구내의 자계분포특성

        한성진,주수원,사재원 동아대학교 공과대학부설 생산기술연구소 1997 生産技術硏究所硏究論文集 Vol.2 No.2

        In recently, a lot of research works on the biological effects due to EMF(Electromagnetic Fields) on human health have been reported. Most of electric facilities in a substation are the main source of magnetic fields. In particular, the more the current flows through conductor is, the greater the magnetic fields which produced by current become. And the magnetic fields depend on the geometries of electric utility facilities etc. This paper presents the measurement of magnetic fields in 345/154KV outdoor substation and the modeling of electric utility facilities which are complex electric facilities into simplified ones. The magnetic fields profiles obtained from the computer simulation are compared to those from measurements. The result of this paper will be available to basic information to reduce the level of EMF from the electric utility facilities.

      • KCI등재

        심상훈련(Image Training)이 프로골프선수의 입스(Yips)에 미치는 영향

        한성진,하형주 한국스포츠학회 2018 한국스포츠학회지 Vol.16 No.2

        본 연구는 심상훈련(Image Training)을 통해 골프 입스(Yips)증상인 부정적 정서 상태에 대해 조사해보기 위 하여 협회에 등록되어 있는 선수들 KLPGA, KPGA 중 30명을 조사하였다. 본 연구의 조사 방법은 입스 증상이 있는 선 수들을 선정하였으며, 1차 상담 중 년 4회 이하 입스가 나타난 선수를 통제그룹 15명으로 하였으며, 년 5~6회 이상 입 스가 나타난 선수를 실험그룹 15명으로 배정하였다. 수집된 자료는 SPSS 23.0 프로그램에 의하여 T검증, 이원분산분 석을 실시하였으며 이러한 연구를 통하여 다음과 같은 결과를 얻었다. 심상훈련이 입스에 미치는 영향을 알아본 결과, 통제 집단에서는 유의한 차이가 없는 것으로 나타났으며, 실험 집단에서는 유의한 차이가 있는 것으로 나타났다. 심상훈 련이 정서에 미치는 영향을 알아본 결과, 통제 집단에서는 유의한 차이가 없는 것으로 나타났으며, 실험 집단에서는 유 의한 차이가 있는 것으로 나타났다. 심상훈련이 퍼팅 스코어에 미치는 영향을 알아본 결과, 통제 집단에서는 유의한 차 이가 없는 것으로 나타났으며, 실험 집단에서는 유의한 차이가 있는 것으로 나타났다. 그러므로 긍정적인 심상훈련을 통해서 선수들의 부정적인 정서인 입스(Yips)증상은 감소하며 경기력은 향상되게 된다. This study researched the selected thirty KLPGA, KPGA golfer who are registered in the Association to study the effectiveness that image training has on the ‘Yips’symptom negative emotion state. The survey method of this study was selected players with the yips symptom, The first consultation, A control group of 15 competitors with less than 4 runs per year yips, 15 people were selected as experiment group with yips more than 5~6 time a year. The data collected was SPSS 23.0 program like the following We used Two –way ANOVA, t-test the following results were obtained from these studies. 1. After looking at the effects of image training on the yips, in the control group appeared with no significant difference, in an experimental group appeared make a significant difference. 2. After looking at the effects of image training on the emotion, in the control group appeared with no significant difference, in an experimental group appeared make a significant difference. 3. After looking at the effects of image training on the putting score, in the control group appeared with no significant difference, in an experimental group appeared make a significant difference. So the positive is through image training the negative emotions of the players yips are reduced and their performance improves.

      • KCI등재

        Effects of Healing Forest Walks for Short Breaks on Mood State, Quality of Life, and Stress Reduction of University Hospital Workers

        한성진,구창덕 인간식물환경학회 2018 인간식물환경학회지 Vol.21 No.5

        This study was conducted to investigate the effects of walking in the healing forests for short breaks on mood state, quality of life and stress reduction of hospital workers. For the study, 56 employees from Chungbuk University Hospital participated in the forest walks connected to the hospital using a short break three times a week for 20 minutes each for three weeks. The Korean Version of Profile of Mood States (K-POMS) and the Korean Occupational Stress Scale (KOSS-SF) were used as validated measurement tools to evaluate changes in mood state and job stress. A 5-point Likert scale was used for assessment of quality of life among employees. The results of the questionnaire were analyzed by paired t-test. As a result, tension, anger, confusion, and fatigue in mood state categories were decreased significantly and vigor was significantly increased after forest walks. Total mood disturbance was also decreased significantly. Quality of life for hospital workers was significantly improved after forest walks. In terms of job stress, average score of stress was significantly decreased after forest walks and especially stresses from the organizational system and improper reward were significantly decreased. The results of this study proved talking a short walk in the healing forests during breaks in daily work hours has a positive effect on mood state and life quality improvements and job stress reduction in hospital workers.

      • 전력설비의 자계 측정 및 컴퓨터 시뮬레이션

        한성진,주수원,전형태,사재원 동아대학교 공과대학부설 생산기술연구소 1997 生産技術硏究所硏究論文集 Vol.2 No.1

        For two decades and more, a lot of research work on the bioligical effects of EMF(Electromagnetic Fields) on Human health have been reported. Power-frequency magnetic fields are a natural consequence of the flow of electricity. This paper deals with the modeling of electric facilities taking into account the line geometries. The magnetic fields profiles obtained from the computer simulation are compared to those from measurements.

      • KCI등재

        시료 준비 방법에 따른 등숙 시기별 초당 및 찰옥수수 교잡종의 과피 두께 비교

        한성진,오태영,강민정,강종원,왕승현,박태춘,강건,정종욱,소윤섭 한국작물학회 2019 한국작물학회지 Vol.64 No.2

        Pericarp thickness of vegetable corns such as sweet and waxy corn is one of the crucial traits, contributing to their edible quality. This study was carried out to compare the pericarp thickness of super sweet and waxy corn hybrids measured with kernel samples prepared using different methods at different grain filling periods. The samples comprised excised pericarp from dried, frozen (at -4°C), and fresh kernels. Analysis of variance performed separately on super sweet and waxy corn hybrids indicated a significant three-way interaction among cultivars, kernel sample preparation methods, and days after pollination (DAP). Dried samples of super sweet corn hybrids presented reasonably stable pericarp thickness measurements during grain filling, while all the sample preparation methods fluctuated less as grains of waxy corn hybrids matured. Waxy corn is best consumed at around 24 days after pollination. Pericarp thickness of waxy kernel samples regardless of preparation methods investigated was the same at 24 DAP with a few exceptions. Overall, the common method of drying kernel samples before pericarp excision can provide reliable data for estimating the tenderness of vegetable corn hybrids. 본 연구는 식용옥수수 풋이삭의 식감의 결정에 영향을미치는 과피의 두께를 측정하는 방법을 규명하기 위하여과피 시료의 준비 방법에 따른 과피 두께의 차이와 등숙 시기별 과피 두께의 변화를 조사하기 위하여 수행하였다. 1. 찰옥수수와 초당옥수수 각 3품종의 시료를 수확 직후 생옥수수(생시료) 알곡을 바로 측정하거나 상온의 음지에서 완전(건조시료) 건조시키거나 -4°C로 냉동시킨 후 과피를 측정하였다. 2. 시료 준비 방법과 등숙 시기에 따른 삼원 교호작용의 유의성이 인정되어 어느 한 요인에 대한 일반적인 결론을도출하기 보다는 각 시료 준비 방법과 특정 등숙 시기에따른 과피 두께의 비교를 수행하였다. 3. 초당옥수수는 건조시료에서 등숙이 진행됨에 따라 비교적 안정된 과피 두께 측정값을 얻을 수 있었으며 찰옥수수는 비해 모든 시료 준비 방법에서 초당옥수수보다 안정된 값을 보였다. 특히 풋찰옥수수 수확 적기인 수정후 24일경에는 시료 준비 방법에 따른 차이는 크게 나타나지 않을 것으로 기대된다.

      • 초전도 동기 발전기의 전자력 해석

        한성진 동아대학교 공과대학 부설 한국자원개발연구소 1989 硏究報告 Vol.13 No.2

        Comparing to the conventional machines, the superconducting generator has many advantages such that the efficiency is increased about 0.5-1.0%, the size and the weight are decreased about 40%, and the Critical Fault Clearing Time is increased. Due to the above merits, many countries are studying to set up the design methods or manufacturing prottype machines. The superconducting generator has the double shield cylinder between the superconducting field winding and the armature winding. The outer is called the damper shield, the inner the electrothermal shield. The damper shield lays the role of the reduction of the damping effect from the armature reaction asynchronous mangnetic field. And the electrothermal shield is to keep the superconducting field winding under th critical field and he critical temperature. This paper deals with the electromagnetic force distribution on the double shield damper of the superconducting generator using Finite Element Method, and compared the output powers with the theoretical values. The results agreed well, and is respected to e used in the design process of the superconducting generator.

      • 靜磁場解析을 위한 有限/境界要素法에 관한 硏究

        韓聲鎭 동아대학교 공과대학 부설 한국자원개발연구소 1985 硏究報告 Vol.9 No.1

        Numerous papers and other works have been published in recent years on the boundary element method. One of the more interesting features of the boundary element method is the simplicity of the input data required to run a problem. This is a very important point in practice as many man-hours are lost in preparing and checking finite element data. This paper deals with the magnetostatic field problem using boundary element method. A simple 2-D model is considered to analyze the vector potential via boundary element method. And the results are compared with those of finite element method and analytic solution. In conclusion, the boundary element method is expected to present great advantages in the analysis for complex 3-D bodies and problems with boundaries at infinity.

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