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- 저자 : 정명선(Meung-Sun Jung) (검색결과 6 건)
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대구지역 동계 제복 근무자의 피복 착의 앙상블과 쾌적성의 주관적 평가
류덕환(Duck Hwan Ryu),이욱자(Uk Ja Lee),김승진(Seong Jin Kim),송민규(Min Kyu Song),조지현(Ji Hyun Cho),정명선(Meung Sun Jung) 한국의류산업학회 2000 한국의류산업학회지 Vol.2 No.3
The purpose of this study was to examine the thermal comfort characteristics of the garments for school, textile and bank worker`s uniform. The garments selected for this study were frequently used in Taegu area in terms of design and material used for making garments by the survey for the study The human subject tests were performed to determine the thermal comfort characteristics of garments including thermal, humidity, and wearing sensation and the data were analysed statistically The results of the study were as follows: 1. According to the result of the survey jacket was mostly used as a school uniform for both male and female high school students. The survey showed that 93% of male students wore `neck T-shirts` and dimensional fitness for the school uniform got suitable at 2∼3 grade high school students. In terms of human subject tests, most students rated `uncomfortable` in wearing sensation of their school uniform. One of this reason was due to the humidity sensation and air velocity sensation. Level of significance of the thermal sensation for gender difference was higher in hands and feet of the subjects than in chest and thigh of them. 2. According to the result of the survey jacket with zipper was mostly used as a textile worker`s uniform. The result of the survey indicated that some textile workers are wearing their inner wear (38.7% for upper and 46.6% for lower). In the human subject tests, about 50% of subjects rated `comfortable to slightly comfortable` for wearing sensation of the textile worker`s uniform. It showed that the female subjects of the humidity sensation was rated higher than the male subjects of the humidity sensation, while the male subjects of the thermal sensation was rated higher than the female subjects of the thermal sensation. There was a closer correlation with the subjective thermal sensation for textile worker`s uniform in center parts of the subjects such as back and waist than exposed parts. 3. The result of the survey showed that 70% and 23% of the female banker uniform were blouse and jacket, respectively and 75% and 25% of the male banker uniform were jacket and T-shirt, respectively All interviewee rated trousers and skirts that were used for their lower. 4. The result indicated that 50% male and 67.7% female subjects for the banker uniform rated `slightly comfortable for the comfort sensation. 50% male subjects rated `neutral` and about 50% female subjects rated `slightly warm to neutral` for the thermal sensation. In addition, The result showed that 75% male subjects for both upper and lower rated `neutral` for the humidity sensation and also 75% female subjects rated `neutral to slightly dry`. Thus, there was no significant different between gender. 5. In the thermal sensation of the subjects for the banker`s uniform by parts, 50% subjects rated `neutral` for their body parts, including head, neck, back, waist, hip, lower arm, and thigh. The extremely cold parts were hands and feet for both male and female subjects.
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정명선,배한수,이봉연,민경혜,류덕환 계명대학교 생활과학연구소 2001 科學論集 Vol.27 No.-
The experimental results on the washing efficiency of detergent made from corn oil, wasted cooking oil and pig fat oil are as follows ; Laundry factors in this experiment are detergent concentration, laundry temperature and laundry time. 1.The surface tension of each detergent showed the lowest in 0.2% concentration corn oil 60.84, wasted cooking oil 61.11, pig fat oil 60.73dyne/cm. 2.The wasthing efficiency based on different concentration of detergents showed the highest in 0.2% concentration. 3.The highest washing efficiency appeared in 0.2% concentration 40℃ temperature and 40~50 min. time. There showed no difference in the washing efficiency according to the volume of water. It can be said that the frictional force of bearing rather than the volume of water worked on the efficiency.
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류덕환,정명선 啓明大學校 生活科學硏究所 1999 科學論集 Vol.25 No.-
The purpose of this study was the washing efficiency of recycling solidity laundry soaps. Experimental materials were 3kinds wasted that is the cooking oil, pig oil and wasted cooking oil. The results were as follows. 1. Surface tension of detergent A, B, C were slowly reducing during adding more detergent, detergent A was the lowest 57.5 dyne/cm at concentration of 0.2%, and then increased. Detergent B was the lowest 56 dyne/cm at 0.1~0.15% concentration, and then slowly increased. Detergent C was the lowest 55 dyne/cm at 0.2% concentration, and then after constant. 2. As results of the washing efficient rate according to concentration of various detergents, detergent A was 58.8% at 0.2% concentration, detergent B was 60% at 0.2% concentration and detergent C was 69.8% at 0.2% concentration. 3. As results of sensous tests, detergent A was evaluated 'good' at 0.15% concentration, detergent B was evaluated 'very good' at 0.15% concentration and detergent C was evaluated 'very good' at 0.2% concentration. 4. As results of aquatic toxicity tests, in kinds A, B, C, fishes were died at 0~10 minute at 0.2% concentration. In the case of detergent A, C, fishes were died 51~60 minute at 0.01% concentration but in the case of detergent B, fishes were died 41~50 minute.
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화운데이션 소재의 열 및 수분 전달 특성이 보온율에 미치는 영향
류덕환,정명선 啓明大學校 生活科學硏究所 2003 科學論集 Vol.29 No.-
The purpose of the study was to determine the effect of warmth ratio of heat and moisture transfer characteristics of foundation wear. For the study, five foundation knitted fabrics with different fiber types and blend ratio were selected. Heat and moisture transfer characteristics and mechanical characteristics of foundation knitted fabrics were measured by hot plate method, evaporation cup method, respectively. In addition, five all-in-one were made with five foundation knitted fabrics and the thermal resistance of them was measured by the thermal manikin. The results of the study were as follows: 1. The keeping warmth ratio of f1 and f5 were about 29% and significantly higher than the others(p <0.05). The reason for this was that f1 and f5 were made with the cotton and spun yarn which was bulker and had more dead air within their yam structure than the others made with synthetic filament yarns. However, the water moisture transmission rate of f2, f3 and f4 were a littler higher than that of f1 and f2 because of hydrophobic characteristics and high air permeability of synthetic yarn structures(f2, f3 and f4). 2. The thermal resistance of all-in-one made by f1 and f5 were higher than the others. This was the same result with the keeping warmth ratio of foundation knitted fabrics.
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