• 제목/요약/키워드: Rational period function

검색결과 19건 처리시간 0.019초

도심지 소유역에 적용 가능한 우수저류조의 용량 산정에 관한 연구 (A Study on the Calculation of Storage Volume of Storm-Water Detention Basins for Small Urban Catchments)

  • 김대근;고영찬
    • 상하수도학회지
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    • 제19권5호
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    • pp.619-624
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    • 2005
  • This work is for examining a simplified equation based on the rational formula, which can easily decide storm-water detention volume in small urban catchments. The storm-water detention volume is determined by the inflow hydrograph flowing to detention basin and the outflow hydrograph discharged from the detention basin. The ratio of average outflow over the period of rainfall duration against allowable discharge was 0.5 in former simplified equation. But this research has found that the average outflow ratio depends on the storage methodology. In the case of the on-line storage method, the average outflow ratio is a function of the time of concentration of the catchments and rainfall duration, which ranged from 0.5~1.0. In the case of the off-line storage method, the average ratio is a function of peak discharge and allowable discharge except above time of concentration and rainfall duration, where its function value ranged from 1.0~2.0. When applying this equation to small catchment in Mokpo city, South Korea, we could easily calculate the relation curve between the storm-water detention volume and allowable discharge.

모더니즘 시대의 건축과 패션에 나타난 조형적 특성에 관한 연구 (A Study of the Formative Characteristics in Architecture and Fashion of the Modernism Period)

  • 김혜영;허다슬
    • 복식
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    • 제55권4호
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    • pp.62-78
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    • 2005
  • The modern period was the time that the most radical and extensive social and mental changes were occurring throughout the history, and modernism was prevailing as a general cognition system of people. Modernism, which carries principles of progress, belief in application of scientific technology, worship of reason, ideal of liberty as a col-e value of civilization, was plated as a leading ideology in the realm of society, culture and art In the early 20th century. In this study, the formative characteristics of modernism seen in architecture and fashion are analogized and analyzed in four ways ell the basis of the theory of p. Greenhalgh. First, 'Standardization for mass-production', which is analogized which P. Greenhalgh's 'Decompart-mentalisation', 'Social Morality', and' Technology'. Standardization for mass-production in architecture focuses on the development of a design prototype in order to mass produce; the development of ready-made clothes is actively done ill the fashion area for the same purpose as well. Second, 'Rational functionality' coming from P. Greenhalgh's 'The total work of art' and 'Function'. While rational functionality in architecture puts an emphasis on the rational operation of all the functions in regard to the relation between each part and the whole, rational functionality in fashion call be mainly seen in a dramatic increase in physical activity which could be hardly found before the modernism period. Namely, all the fashion design elements are developed for a certain rational and functional design on each part as well as on the whole in order to greatly increase physical activity. Third, 'the pursuit for genuineness of objects and universality of beauty' is on the analogy of P Greenhalgh's 'Truth', 'Anti-historicism', 'Abstraction', 'Internationalism/Universality'. This idea is adopted in architecture in the form of design of geometrical abstraction. In the same way, design using geometrical abstraction comes to have a significant meaning in fashion of the modernism period. So to speak, modernism architecture and fashion can be reborn to become an inter·national style by giving up the decorative and regional design prevailing before modernism and by expressing universal aesthetics in the form of simplicity and abstraction instead. Fourth, 'Expression of progress through a change in a viewpoint' stems from P. Greenhalgh's 'Progress', 'Transformation of Consciousness', 'Theology'. In architecture, this concept appears by using new construction materials and methods and by representing new aesthetical idea. As a result, it makes it possible for people to make progress for better lives. Like in architecture, new attempts for material application and processing are made in fashion. This gives rise to a general change in a viewpoint related to fashion, so that a flew fashion design which there has never been before can come out.

누적감가상각비율함수를 이용한 감가상각방법에 대한 고찰 (Consideration to the Depreciation Method using Accumulated Depreciation Rate Function)

  • 손진현
    • 한국콘텐츠학회논문지
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    • 제9권1호
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    • pp.304-311
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    • 2009
  • 본 연구에서는 시간의 경과에 기반을 둔 누적감가상각비율함수를 이용한 새로운 감가상각방법을 제안한다. 제안된 방법은 임의의 시점에서의 누적감가상각금액을 계산해내는 방법으로, 현재 사용되고 있는 방법들이 가지고 있는 문제점들을 해결할 수 있을 뿐만 아니라, 시간의 경과에 따라 매 회기의 감각상액이 일정하거나, 점차 감소하거나, 점차 증가하는 모든 경우를 체계적으로 계산해낼 수 있다. 이 방법을 사용하면 각 자산의 특성에 맞는 다양한 감각상각형태를 합리적으로 선택하여 사용할 수 있고, 기중에 자산을 취득하거나 처분하는 경우에도 체계적이고 일관성 있게 감가상각비를 상계할 수 있게 된다.

청소년 소비자의 합리적 소비생활과 상표지향성에 관한 연구 (Rational Consumption Life and Brand Orientation of Adolescent Consumers)

  • 김시월;노영래
    • 대한가정학회지
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    • 제45권8호
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    • pp.25-38
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    • 2007
  • The purpose of this study was to determine the level of reasonable consumer habits of adolescents based on their consumer socialization, consumer education, and purchasing skills, and to determine their brand orientation based on facts that adolescent years is the determining period for consumer socialization, that their role as consumers take up relative importance, and that consumer habits during this period is extremely important. The directions of consumer education for forming a reasonable consumer culture for adolescents based on the results of the study are presented as follows. First, by conducting a training program for consumer counselor that supports courses such as consumer aid that are held for adolescent consumers, adolescents must be led towards logical purchase habits and to practice reasonable purchase habits. Second, since consumer attitude that is learned and formed since youth is important, discussion sessions as well as consumer education programs that can foster proper consumer knowledge, attitude, and function needs to be developed by schools and the government. Third, This can form improper consumption values such as over consumptions, conspicuous consumption, and impulsive purchase that may appear in their adult years; therefore, a consumer education program must be continued in the homes, schools, and by the government so that adolescents can learn manage reasonable consumer values and consumer habits.

현행 산업안전제도와 개선방안 연구 (The study on the existing system of industrial safety and its improvement)

  • 이근희;홍상우
    • 산업경영시스템학회지
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    • 제9권13호
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    • pp.1-11
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    • 1986
  • The mechanization of production facilities being made rapid progress, and its function being diversified and complicated for industrialized period, the relation between machine and Its operator brings about many problems which are concerned with accident. In these circumstance, the purpose of industrial safety can not be properly achieved as considered by only one side of machine or man. Therefore, it is necessary to study how to cope with the safety of man-machine system. It has to be considered in the above mentioned contents that safety management can not be attained through only technique of numerical control. The cause of accident being studied scientifically, the service of safety problems has to be systematized and operated in rational safety organization. The purpose of this thesis is to consider preventing and decreasing industrial accident from production system field by means of the improvement of worker's own safety consciousness and introducing the function of safety management to the duties of labour union.

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감가상각누적비율함수를 이용한 감가상각방법의 활용을 위한 자료 (Data for the Application of Depreciation Method Using the Accumulated Depreciation Rate Function)

  • 손진현
    • 한국콘텐츠학회논문지
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    • 제15권1호
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    • pp.519-526
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    • 2015
  • 본 연구에서는 이전에 저자가 제안한 감가상각누적비율함수를 이용한 감가상각방법의 실질적인 활용을 위한 보다 상세한 설명을 제시한다. 감가상각누적비율함수는 상각대상금액에 대한 임의의 시점까지의 상각누적비율 값을 제공해 주는 함수로, 시간의 경과에 기반을 둔 감가상각방법에 활용될 수 있다. 이 함수를 사용하면 매 회기의 상각액이 일정하거나, 점차 감소하거나, 점차 증가하는 모든 경우의 상각금액을 체계적으로 계산해낼 수 있어, 각 자산의 특성에 맞는 다양한 감각상각형태를 합리적으로 선택하여 사용할 수 있다. 또한, 상각누적비율이 시간의 연속함수로 표현됨으로써 기중에 자산을 취득하거나 처분하는 경우에도 체계적이고 일관성 있게 감가상각비를 상계할 수 있게 된다. 다만, 함수의 매개변수 값을 얼마로 지정할 것인가 하는 문제가 존재하는데 본 연구에서 그에 대한 자료를 제공한다.

지역별 강우분포를 고려한 블록포장지역의 유출계수 산정에 관한 연구 (A Study on a Runoff Coefficient of Block Paved Area with Considering Regional Rainfall Distribution)

  • 강신권;김태균
    • 한국조경학회지
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    • 제36권4호
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    • pp.111-119
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    • 2008
  • 합리식은 배수시설을 설계하기 위한 기본방정식으로 이용되고 있으며, 유출계수, 강우강도와 유역면적의 함수이다. 본 연구에서는 조경공간의 배수시설설계에 이용되는 합리식의 유출계수를 블록포장지역을 대상으로 지역적 강우분포를 고려하여 산정하였다. 합리식의 유출계수는 강우강도와 유출량의 비로 나타낼 수 있다. 강우강도는 재현기간과 강우지속기간의 함수로, 강우의 특성상 지역에 따라 변한다. 따라서 합리식의 유출계수는 동일한 재현기간과 강우지속기간일지라도 지역에 따라 강우강도가 변하므로 지역에 따라 변한다. 또한, 강우강도와 유출량의 비는 강우량에 대한 손실량에 따라 결정되므로, 손실량을 산정하기 위하여 본 연구에서는 Horton의 침투법칙 중 종기침투능을 이용하였다. 블록포장지역의 침투는 줄눈을 통하여 발생하며, 줄눈은 시간이 지남에 따라 황사, 오염물질, 꽃가루 등에 의하여 공극이 메워지고, 답압 등에 의하여 다져질 것이므로, 침투능은 감소할 것이다. 시공연한이 다른 6개 지역의 블록포장지역을 대상으로 Horton의 종기침투능을 산정하여 시간이 지남에 따라 침투능이 감소하는 것을 확인하였고, 지역별 재현기간 10년에 대한 강우지속기간 10, 20 및 30분에 해당하는 강우강도를 선정하여, 합리식의 유출계수를 산정하였다. 본 연구의 결과로, 산정 된 블록포장지 역의 유출계수 범위는 재현기간 10년, 강우지속기간 10분의 경우 지역에 따라 $0.94{\sim}0.84$의 범위를 가진다.

고려중기 혜조국사(慧照國師)의 대북송(對北宋) 교류(交流)와 전륜장(轉輪藏) 도입 (The Interchange with the Northern Song and the Introduction of Jeonryunjang by Haejokuksa in the Early Koryo Dynasty)

  • 이경미
    • 건축역사연구
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    • 제16권6호
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    • pp.101-120
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    • 2007
  • This paper aims at studying on the medium of cultural interchange regarding who did and how to introduced the new trend of architecture during the period of Koryo Dynasty. Before the era of Koryo Dynasty, Kyungjang(Sutra Pitaka, 經藏) was mainly centered in Kyeongnu with a substantial function of storage. In the early Koryo Dynasty, however, Daejangjeon(大藏殿), which was spatialized for worship, began to appear. Normally, fixed walls were installed and the Sutras were enshrined inside Daejangjeon, while Jeonryunjang (revolving wheel sutras), a type of rational bookshelf, was introduced, and a new trend became developed in Kyungjang construction. Jeonryunjang(revolving wheel sutras, 轉輪藏) is a dharma instrument with a rotational function so that one revolution gives an effect of reading the enshrined Sutra one time, and began to be created actively in the period of the Northern Song. It is considered that the introduction of Jeonryunjang(revolving wheel sutras) to Daejangjeon was resulted from Haejokuksa(慧照國師) Damjin(曇眞) who visited the Kangnam areas in the Northern Song at that time. The Kangjeol areas in the Northern Song, where Damjin concentratively itinerated three times, were the place in which Jeonryunjang was created in many temples. Since Damjin, historical materials and excavated data regarding constructing Jeonryunjang have been discovered in the Buddhist temples, which are related to his pupils and dharma lineage. The only existing Jeonryunjang of Yongmusa Temple in Korea is the one that Joeung Daesunsa, who succeeded to the dharma lineage of Haesokuksa, promoted, and supports strongly such introduction of Jeonryunjang by Haesokuksa.

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건축공간 인식에 대한 미학적 구성범주에 관한 연구 (A Study on the Compositional Scope of Aesthetic Cognition in Architectural Space)

  • 이용재
    • 한국실내디자인학회논문집
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    • 제20호
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    • pp.114-120
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    • 1999
  • The study on architecture can be started with the aesthetic attitude which cognizes it as the art of the space. Architectural space as the subject of the aesthetical study, however, has been ignored such a long period though it should be centered of the whole architectural theory. Even it has not been dealt with independently but just only as a part of aesthetic or artistic field. Also it is true that academic approach to the architectural space as per the aesthetic cognition has not been done so satisfactorily. This study, therefore, aims at prescribing compositional scope from aesthetic cognition of architecture understanding the rational function, mechanic structure, and artistic beauty by man's subject standard of judgement as per the space, the special sphere of architecture. For the absolves, the architectural space in this study is not approached as the spatial art with the meaning of being included the arts general, but with the meaning of intrinsic peculiarity of architecture, based both in practicality of scientific concept and arts of the aesthetic notiov. In order words, the essence of architecture can be prescribed as the architectural realities as the functional, formal and symbolical space not simply the spatial art, and its real but aesthetic meaning can be cognized aesthetically.

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