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스월을 강화한 부분예혼합 화염의 유동특성과 상세 라디칼(OH<SUP>*</SUP>, CH<SUP>*</SUP>, 그리고 C₂<SUP>*</SUP>) 정보에 관한 실험적 연구
안경민(Kyoung Min Ahn),정용기(Yong Ki Jeong),장영준(Chung Hwan Jeon),전충환(Young June Chang) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.11
An experimental study was performed to investigate the effects of partially premixing, varying the equivalence ratios from 1.36~∞, and swirlers with swirl numbers of 0, 0.28, 0.64, and 1.32, on flow characteristic and chemiluminescence of OH, CH, and C₂ in partially premixed swirling flames. The signal from the electronically excited state of OH<SUP>*</SUP>, CH<SUP>*</SUP>, and C₂<SUP>*</SUP> was detected through a band pass filter with a photo multiplier tube, and flow fields images were detected through a schlieren system. The results demonstrated that the flame height decreases and jet spreading angle increase with increasing a swirl number. The more momentum ratio and swirl number increase, the more decrease flame height, and the generation of sooting flame is promoted.
풍황 하중조건 데이터 자동생성화를 이용한 풍력터빈 하중해석의 효율 향상에 관한 연구
안경민(Ahn, Kyoung-Min),임동수(Lim, Dong-Soo),이현주(Lee, Hyun-Joo),최원호(Choi, Won-Ho),이승구(Lee, Seung-Kuh) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.11
Load analysis software enables to design wind turbines effectively and exactly. In this paper, Bladed software developed by Garrad Hassan and Partners is used for load analysis. When using Bladed software, many time is requested to input data which is called by pre-processing. So in this paper, pre-processing Is automated by in-house software(BX) With this BX software, we can reduce the total time for pre-processing about 90%.
A Study on the Relations between Self-Efficacy and Career-Deciding Factor for Beautician Students
안경민(Ahn, Kyung-Min),조희숙(Cho, Hee-Sook) 한국산학기술학회 2011 한국산학기술학회논문지 Vol.12 No.7
본 연구는 미용전공 대학생의 자기효능감과 진로결정요인과의 관계를 연구하고자 하였으며 서울시 소재의 대학교에서 미용을 전공하는 대학생 180명을 대상으로 설문지를 통한 연구 결과 전공만족에 따른 자기효능감에서는 자신감과 자기조절 효능감에서 p<.05수준의 유의한 결과가 나왔고 과제난이도에서 p<.01의 높은 수준에서 유의한 결 과가 나왔으며 진로결정요인에서는 직업정보 수집에서 p<.05의 수준으로 유의한 결과가 나왔고 목표설정과 진로계획 수립, 자기평가에서는 p<.001의 매우 높은 수준으로 유의한 결과가 나왔다. 자기효능감과 진로결정요인의 하위 변수 간 상관관계가 있는지의 여부를 검증하기 위하여 상관관계 분석을 한 결과 자기효능감 변인의 자신감에서 문제해결 을 제외한 모든 변인에서 유의한 결과가 나왔고 진로결정요인의 하위변인들과 다른 변인들간의 모든 변인에서 유의 한 결과가 나왔다. 이상의 결론에서 미용전공 대학생들의 전공만족도에 따른 자기효능감과 진로결정요인은 상호간 매우 영향력이 있는 것으로 나타났고 자기효능감과 진로결정요인간에도 상관관계가 있는 것으로 분석된다. This study is to know the relations between self-efficacy and a factor to decide their major for beautician students. with questionnaires from 180 beautician students in Seoul, we could see a significant result with p < .05 from self-confidence and self-control efficacy of self-efficacy according to major satisfaction, a high level of significant result with p < .01 from level of difficulty of assignment, a significant result with p < .05 from information collect of career-deciding factor, and a greatly high level with p < .001 from goal setting, career planning and self-rating. As to verify the correlation of sub variables between self-efficacy and career-deciding factor, I analyzed it. Then I found that every variables except problem solve in self-confidence of self-efficacy variables showed a significant result and every variables between sub-variables and others in career-deciding factor showed a significant outcome. In conclusion, it is considered that self-efficacy resulting from major satisfaction plays a critical role in students career decision-making and that students self-efficacy and career deciding factors are corelated, given the meaningful outcome from them.
보문 : 수기와 연옥마사지가 안면피부의 유,수분과 탄력도에 미치는 영향
안경민 ( Kyung Min Ahn ),홍경희 ( Kyung Hee Hong ),이정숙 ( Jeong Sook Lee ),신규옥 ( Kyu Ok Shin ) 대한미용학회(구 대한미용과학회) 2010 대한미용학회지 Vol.6 No.4
Edema in face and a double chin cause to the psychological pressure and lack of self-confidence on women in today`s world. This social phenomenon calls a number of massage techniques and programs in esthetics are very useful and practice to the alternative solution. But it is not detailed basic data absent. So that, in this study, five women as experiment subjects, who are in their 20`s to 50`s, are studied for using manual massage (Swedish and Lymph) and jade massage in twice a week for four weeks. The changes of levels in sebum, moisture, elasticity and melanin pigment are in facial skin measured, and face contour, face size and shape, a double chin, and skin transparency from the subjects were observed. In the result, the moisture level in five subjects increased significantly after the eight times as last observation period of manual and jade massage (p<0.05). In gross examination by viewpoints of frontal and lateral face, their asymmetrical eyebrows, bilateral drop cheeks, a double chin and edema of mandibular joint region caused from malfunction of lymphatic circulation around parotids and angulus region, the dark yellowish color and irregular surface of skin around the neck before the treatment were regulated with the massage on orbicularis oculi muscle and corrugators that helped relaxation and waste excreted. Contraction in the cheeks and improvement in lymph circulation reduced edema on upper and lower jaws which brought up oval shaped or V-line jaw line on the subjects` face. In addition, the reduced face plaster size ensured that the face size has remarkably reduced. In conclusion, manual massage, including lymph massage and swedish massage, together with jade massage can be used in practice as a way to control face edema and a double chin for sensitive skin, oily skin, and dry skin because they improve blood circulation and lymph circulation which ease waste discharge and toxin excrete. With this study, the scientific basic and objective data that can be used in teaching practitioners and esthetic practice are acquired.
연구논문 : 스위트 오렌지 에센셜 오일의 향기흡입법에 의한 스트레스 감소 효과 -미용 전공 여대생을 중심으로-
안경민 ( Kyung Min Ahn ) 한국미용학회 2007 한국미용학회지 Vol.13 No.3
The purpose of this study was to investigate the effects of Aromatherapy, inhalation method using sweet orange essential oil on stress in students majoring cosmetology at a women`s college. The study design was a one-group pretest-posttest design. The subjects were 68 students with stress in inhalation method of sweet orange essential oil was to drop 2~3 drops of oil on tissue at 10, 14, 18, before bed for 15days. The study was carried out from April 2 to May 14, 2007. The scale used in the study was the stress scal of Park, Sun Young(1999). The study data was analyged by frequency, percentage and t-test using SPSS Win 10.0 program. To summerige the study results above, The score of physical stress scale and psychological stress scale was significantly decreased afer use of inhalation of sweet orange essential oil. In conclusion, the results of this study suggest that inhalation method using sweet orange essential oil is positively supported in stress reduction in students majoring cosmetology at a women`s college. Aromatherapy can be expanded into a self - management program for promoting health of the community people.
안경민 ( Kyung Min Ahn ) 한국미용학회 2008 한국미용학회지 Vol.14 No.4
The purpose of this study is to examine into the awareness and the behavior to weight control of middle-aged women, and aiming to achieve this goal, it established a hypothesis, and then prepared for a questionnaire in line with variables of a study, processed data according to the survey procedure and then analyzed a result, targeting middle-aged women in their 40~60s who are carring out 2kinds of therapies, such as exercise therapy, dietetic therapy, aiming at the weight control. In according with this, it derived results as follows. First, it showed difference in the awareness and the behavior of weight control through the exercise therapy of middle-aged women. It was the most in responses that there is some effect of exercise, the change in weight was reduced, the satisfaction with exercise is affirmative, and the continuance of exercise is to intend to continue as usual, and the goal of weight reduction is to lower than the present time. Second, it showed difference in the awareness and the behavior of weight control through the dietetic therapy of middle-aged women. It was the most in responses that there is a little effect of dietetic therapy, the change in weight was reduced, the satisfaction is ordinary, whether or not the continuance of dietetic therapy is to intend to continue as usual, and the goal of weight reduction is to lower than the present time.
헤어미용실 위치에 따른 염색시술과 천연염모제 사용실태 조사 -서울, 경기도 중심으로-
안경민 ( Kyung Min Ahn ),임태희 ( Tae Hee Lim ),김기영 ( Ki Young Kim ) 한국미용학회 2015 한국미용학회지 Vol.21 No.4
Recently, the enlargement and high quality of hair salons cause a severe competition, and damage of skull skin reported by using of hair dyes. In this study, hair dyeing and using behaviors of natural hair dyes according to the hair salon location was investigated. 400 Questionnaires were distributed in Seoul and Gyeonggi province and 363 effective answer sheets were used. General characteristics of research subjects, statistical data on frequency and percentage, difference between hair dyeing characteristics, hair salon location and using behaviors of natural hair dyeing were analyzed by SPSS 22.0 program. The results show that most of research subjects were women (73.6%) and hair designer (54.3%). Hair salons were located in apartment area (44.9%) and in surrounding of universities (40.2%). Most of hair dyeing customer was 20~30 age group, and the kinds of hair dyeing was beauty dyeing and gray hair cover. Most of hair color selection was own opinion (60.6%) and used oxidizing hair dyes. Beauty hair dyeing in surrounding of universities and gray hair cover in apartment area) were significantly higher than that of the other location hair salons (p<0.01). Most of natural hair dyeing customers was in 30~50``s age group and using natural hair dye was henna. Customer``s satisfaction after natural hair dyeing was relative high. And hair designer recognized that the sculp skin damage of natural hair dyes was weaker than that of chemical hair dyes, but they recognized that natural hair dyes were not make of 100% natural substances. In conclusion, hair dyeing and using behaviors of natural hair dyes may be influenced by the hair salon location.