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이관석 대한건축학회 2007 대한건축학회논문집 Vol.23 No.7
This study presents first the process of establishment and its architectural characteristics of the Muse croissance illimite which, since 1931, has been proposed with confidence by Le Corbusier as a prototype of the modern museum architecture, and next it considers the characteristics and logical basis of differentiation in Le Corbusier's three museums realized on this concept.In 1931, Le Corbusier proposed the Museum of Contemporary Art(Paris) on the basis of unlimited growth dream in keeping the spiral form of the Muse Mondial and in adding architectural theories applied on the Villa Savoye which was conceived in the same period. During 1938-39, The project at last named the Muse croissance illimite was proposed.In adhering strictly to the principles of the Muse croissance illimite, three accomplished museums show differentiation as a result of different regional conditions. Le Corbusier's passion to develop modern spatiality like spatial continuity and flexibility combined with natural light in a simple, self-controled volume, his endeavors for variations on the firm principles show that how much he has convinced the idea of the Muse croissance illimite and has pursued it persistently.
李寬錫,林昌俊 弘益大學校 科學技術硏究所 2002 科學技術硏究論文集 Vol.13 No.-
Good anthropometric dimensions are very important since it can improve usability of products and productivity and comfort of workers at workplaces. Traditionally static dimensions have been widely used in design. But these dimensions show lengths in the standard anatomical posture which do not actually represent the human in motion. Despite of high demand for dynamic dimensions, these dimensions were not measured in large scale due to difficulty in measuring these dimensions. There is no ISO standard of a protocol in measuring dynamic dimensions although there is an ISO standard in measuring static dimensions. Therefore, the objective of this study is to establish a protocol in measuring dynamic anthropometric dimensions which can be used in designing products and workplaces. Demand of dynamic dimensions by industry were surveyed. In the survey, dimension items were also surveyed. In determining the items, the economic impact on industry was considered. Thirty items were selected and the protocol in measuring these items were studied. In the protocol, definition, measurement method, tools for measurement, and other special condition were included.
노인을 위한 인간공학적 연구 : 한국 병원의 고령노동자에 대한 WAI적용방안
李寬錫,林昌俊 弘益大學校 科學技術硏究所 2003 科學技術硏究論文集 Vol.14 No.-
The objective of this research is introducing the Work Ability Index in korea which enters to the aging society. And using the Work Ability Index, apply with health management data of the worker and enhance aging workers' ability. In this study, as questionnaire for the assessment of work ability, we used the work ability index which was developed by Institute of work Occupational Health in Finland. The results of study is that aging workers has higher performance then the younger. The reason is that 1)The characteristics of the nursing task, 2)Effort to maintain work ability level, 3)Societal pressure. Further studies on aging needs developing programs to sustain and improve work ability for aging workers.
직접추정법의 대칭적인 들기 작업의 최대허용하중 결정에의 적용에 관한 연구
이관석,박희석 대한인간공학회 1995 大韓人間工學會誌 Vol.14 No.1
In this paper, the effectiveness and accuracy of using the direct estimation method were investigated in determining a worker's lifting capacity or the maximum acceptable weight of lifting (MAWOL) of symmetrical fifting tasks in the workplace were investigated. Six lifting tasks involving two vertical fifting start-end points (0-80cm, 47-102cm) and three lifting frequencies (1, 2, and 4 lifts/minute) were studied. Ten young, male subjects performed the six lifting tasks to predict the MAWOL using the psychophysical method and the direct estimation method. The main results indicated that there were no significant differences between the MAWOLs determined by the two methods except for the lifting frequency of 4 lifts/minute. Analysis of variance was performed on the task rating data to check the consistency of the task rating across subjects, which revealed no significant difference.
OCRA 를 사용한 자동차산업의 근골격계질환 유해요인 평가 연구
이관석,정민수,김재형,전성재,천영지 대한인간공학회 2007 대한인간공학회 학술대회논문집 Vol.- No.-
Due to the high occurrence rate of musculoskeletal disorders (MSDs), many Korean companies adopted various assessment tools to evaluate workers’ musculoskeletal stress to identify works which need to be improved in auto manufacturing industry. Although many adverse working conditions and awkward postures have decreased through continuous improvement after such evaluations, workers who were exposed to repetitive activities and short recovery periods showed the lower job satisfaction level than other workers. Thus in this study, OCRA (The Occupational Repetitive Action tool) was used to check whether RULA evaluates workers’ musculoskeletal stress reasonably well since OCRA has been known to be a good evaluation tool for repetitive works and works with short recovery periods. The evaluation was conducted on 142 works and it was found that 65 works showed higher action levels by OCRA than by RULA. However, 13 works showed the reversed result and 52 works showed the same level regardless of the evaluation tool. Thus it is suggested that OCRA needs to be used with RULA together for the evaluations of musculoskeletal stress at workplaces where repetitive activities and short recovery periods exist.
이관석,장병록 국립7개대학공동논문집간행위원회 2005 공업기술연구 Vol.5 No.-
The reduction of nitrogen oxides from diesel powered vehicles by centrifugal fluidized bed system using three kinds of diameter (18, 32, 60um) of Cu-ZDM-5 zeolite catalyst as bed materials is investigated at constant rotational speed (1200 rpm) and three reaction temperatures (350, 380, 400'C). Furthermore, the effects of gas velocity and bed temperature on NOx conversion are studied experimentally. The effect of NOx reduction in the centrifugal fluidized bed is found to be affected strongly by the mean particle diameter of bed materials.
국산(國産) 저질무연탄(低質無煙炭) 연소용(燃燒用) 유동층(流動層) 연소로(燃燒爐) 개발(開發) 및 열효율(熱效率) 증대(增大)에 관한 연구(硏究)
이관석,Rhee, K.S. 대한설비공학회 1990 설비공학 논문집 Vol.2 No.2
Characteristics of heat transfer in a smooth and finned tube located vertically in atmospheric fluidized bed combustor which uses low grade anthracite coals was studied. Experiments to investigate the characteristics of heat transfer between smooth and finned tube are carried out and the results depend on particle size, fluidizing air velocity and bed temperature are summarized. It is found that heat transfer coefficient of the smooth and finned tube increases with decrease in particle diameter and increase in bed temperature. Furthermore, it is noted that heat transfer coefficient increase at the first with increase in the velocity of fluidizing air and tends to decrease at a certain fluidizing air velocity. The increase of heat transfer coefficient for the finned tube is appeared to be increased in 30% compared to that for the smooth tube.