• Title/Summary/Keyword: Early Design

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Human factors engineering progrma in nuclear power plant (원자력 발전소 인간공학 프로그램)

  • 나정창;이호형
    • Proceedings of the ESK Conference
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    • 1996.10a
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    • pp.125-140
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    • 1996
  • Human Factors Engineering(HFE) program should be developed from the early stage of the design process for Nuclear Power Plant. The HFE program is conducted in accordance with the guidance in the Standard Review Plan(SRP) NUREG 0800, Chapter 18. The major purpose of this program is to reduce the incidence of human error during the operating life of the plants. A comprehensive human factors program is prepared by KOPEC to assure that key elements of human factors involvement are not inadvertently overlooked and the early, complete, and continuing inclusion of HFE in the design process. This paper is to introduce engineering steps of the HF activities to verify that the HF involvements on man-machine interface are adequate to support safe and efficient operation of nuclear power plant. If systems are developed without sufficient consideration on the HFE in the design, such systems may cost a high price due to the malfunction of the plant induced by the human errors.

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Introduction of FPSO DPM System and Design Consideration Factor at the Early Design Phase (FPSO DPM 시스템 소개 및 초기 설계 시 고려사항)

  • Lee, Choong Yeol;Jeon, Kwang-Heon;Lee, Hee Sung;Kwon, Youngrag
    • Special Issue of the Society of Naval Architects of Korea
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    • 2013.12a
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    • pp.97-102
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    • 2013
  • As the offshore oil and gas upstream industry moves into deeper water, the FPSOs are the cost-effective solution. In the harsh environment such as in North Sea, station keeping and heading control capability obtained through the DP and Position Mooring (DPM) system of FPSOs play important roles to keep the safety. This paper introduces the concept, function and sub-system of the DPM systems which has been applied for the North Sea FPSOs since the late 1980s. The requirements and guidelines of some internationally recognized standards are also described, which are important to build the design basis at the early phases of the project.

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Window-to-Wall-Ratio for Energy Reduction in Early Design Stage of Residential Building

  • Lee, Myung Sik
    • Architectural research
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    • v.19 no.4
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    • pp.89-94
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    • 2017
  • In Korea, it is necessary to improve the performance of buildings with respect to the energy efficiency while improving the quality of occupants' lives through a sustainable built environment. During the design and development process, building projects must have a comprehensive, integrated perspective that seeks to reduce heating, cooling and lighting loads through climate-responsive designs. The aim of this study is to assess the optimal window-to-wall ratio of multi-rise residential units in the early design phase in Korea. The study analyzed the variation of annual heating and cooling energy load in two apartment prototype units located in Seoul city using different WWRs. The analysis was conducted using Autodesk Ecotect Analysis 2011 tool. The study found for total annual building load reductions WWR on the south and north face should be studied independently based on the room function. It also found reducing the WWR for bedrooms and windows on the northern façade resulted in reduced total annual building load.

A Strength Analysis of the AGV Structure using the Finite Element Method (유한요소법을 이용한 AGV 구조물의 강도해석)

  • 양영수
    • Journal of the Korean Society of Manufacturing Technology Engineers
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    • v.7 no.3
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    • pp.37-42
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    • 1998
  • The important parts of the developing AGV model are the fabrication of each part and the design technology of body frame. In the present day, design of the body frame depends on the experience of the industrial place. the systematic data need for the optimal design of the frame for the case of model change. In this study, the strength of the early stage AGV(Automatic guided vehicle) is examined with the 3-dimensional finite elemnt method. In order to verify the finite element results, the computed results are compared with the experimental data from the strain-gage output. A New model was designed by rmoving some parts of the early staged(roughyly designed) model and choosing the thickness change of the rectangular-pipes.

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A Study on the Stack Effect Characteristics in High-Rise Apartments (초고층 주상복합 아파트의 연돌효과 특성에 관한 연구 -D 프로젝트를 중심으로-)

  • Choi, Dong-Tak;Son, Won-Tug;Choi, Young-Sik
    • Journal of the Korean Society of Industry Convergence
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    • v.14 no.1
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    • pp.37-43
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    • 2011
  • Study of stack effects in the early design stage is the most appropriate moment to draw any problems and provide the right solutions. However, In a real process, The pre-design planning stage review is not thoroughgoing enough to high-rise construction site. Therefore, this study has reviewed by selecting one of inappropriate project [D] to find the possible stack effect alternatives in an early design documentation stage and provide countermeasures to be a foundations of stack effect in the construction stages.

Evaluation of Strength and Stiffness Gain of Concrete at Early-ages (조기재령에서 콘크리트의 강도 및 강성 발현 평가)

  • Hong, Geon-Ho;Park, Hong-Gun;Eum, Tae-Sun;Mihn, Joon-Soo;Kim, Yong-Nam
    • Journal of the Korea Concrete Institute
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    • v.22 no.2
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    • pp.237-245
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    • 2010
  • Recently, deflection of the slab during construction periods becoming one of the important issues because of increasing the large-span structures. Early removing the form and support of the slab to achieve the rapid construction cause falling-off in quality of the structures. To reduce these deterioration and make rapid construction, construction of strength and stiffness gain model is needed by the research about the early-age concrete properties. Previous research results indicated that concrete model in existing design codes could not provide the mechanical properties of early age concrete. This paper carried out the concrete compressive strength tests on the curing age at early age stage. Evaluation of the accuracy of compressive strength and modulus of elasticity gain formula in existing various design codes was performed based on this test results, and new design model was proposed. This new model will be useful to develop the new rapid construction methods or prevent the deterioration of the deflection at construction periods. Material tests were performed at 1, 3, 7, 14, 28 curing days, total 159 cylinder style specimens were tested. Based on analyzing the test results, the relationship between compressive strength and modulus of elasticity at early age was proposed.

A Study of Sustainable Architectural Design Elements Based on the Classification of Natural Elements (자연요소 중심으로 분류한 친환경 건축계획 요소에 관한 연구)

  • Yim, Su Hyun;Park, Hyeon Soo
    • KIEAE Journal
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    • v.10 no.5
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    • pp.3-12
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    • 2010
  • Sustainable design is getting to be controversial issue in all industries over the world particularly, in architecture as the amount of energy usage in architecture occupies 40%. Therefore, it is essential to make the standard for the sustainable design. In order to construct the sustainable design, firstly it should be considered that sustainable design elements based on natural resources to increase building energy efficiency is established and classified. The method of sustainable design divides into passive design and active design. Passive design method should be examined with active one simultaneously for more efficient usage of energy. Next, the study is followed how the sustainable design elements is adopted in buildings through the comparison of cases study of domestic and oversea. The result of case study shows similar adoption of sustainable design elements between oversea and domestic. However, the difference is shown in the building orientation and shape and the window size and position in Solar energy as well as high performance structure in Heat energy. These elements are the most significant elements in order to reduce energy load. In oversea, sustainable design is generated by architects, a client, and consultants based on the close cooperation in the beginning of early design phase before deciding building shape and envelope while in the domestic field adoption for sustainable design is conducted after deciding building shape and material. In order to design sustainable architecture more study is necessary in early stage for Zero Carbon and reducing building energy load through relation with specialists, a client and architects.

Considerations in the early stage of Designing the Unit Modular Building (유닛모듈러 건축물의 설계 초기 단계에서의 고려 사항)

  • Lee, Young-Ho;Lee, Du-Heon;Kim, Kyoon-Tai
    • Korean Journal of Construction Engineering and Management
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    • v.13 no.6
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    • pp.133-142
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    • 2012
  • With the recent changes in building environments such as low-carbon green growth, there have been increasing demands for the new building system that is eco-friendly and can maximize efficiency such as the unit modular system. For the unit modular system, more than 80% of the whole process is carried out in the factory while in the field, mostly unit module assembling and finish work are done. Thus, the quality at the pre-construction stage when design and manufacturing are done determines the quality of the building as a whole. In the country, the unit modular method was first applied in 2003 to school buildings and has gradually expanded afterwards, but due to the lack of examples and related information as well as the small scale of modular manufacturers, its characteristics have not been sufficiently reflected in design, manufacturing and field constructions. This study, as an attempt to improve the design quality of unit modular buildings, points to the problem in manufacturing and field construction, compares and analyzes its causes, and suggests major points to be considered in the early stage of designing the unit modular buildings.

A Study on the Phased Cultural Product Design with Characteristics of Unlined Cheollik in Early 17th Century and Baby Typed Doll's Body (17세기 초 홑철릭 유물의 시대특성과 유아형 인형의 체형특성을 응용한 단계별 복식문화상품 디자인 연구)

  • Choi, Jeong
    • Fashion & Textile Research Journal
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    • v.19 no.4
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    • pp.385-399
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    • 2017
  • This study will broaden the application of doll costume product with historical characteristics and the image of unlined cheollik in the $17^{th}$ century period of transition during the Joseon Dynasty. Historical design sources were extracted from old documents and precedent studies. Unlined cheollik of Shin Gyeong-yu, meritorious retainer, were selected as main reference-relic because of various fabric, preserved conditions and definite shape. 'Baby doll' was selected as main model because of consumer preferences and awareness. Design sources from unlined cheollik in the early $17^{th}$ century were about a 1:2 ratio of upper and under parts, removable separated doori-somae, knife-shaped collar (outside), projected square collar (inside), long pleats line, side slit, traditional flat fell seam sewing. Trapezoidal side line, round waistline, and thin fabric were applied in designs because of toddler-body of doll model. Three designs were produced in step 1: Cheollik A focusing on the historical remake (traditional type), Cheollik B with belt and side slit (crossover type), and Cheollik C with back- opening (modern type). In step 2, interview with fashion major student was conducted to increase the utility of designs. As a result, modern trend sources (frill, velcro, round armhole line, slope of sleeves, and floral pattern) were reflected in Cheollik B, C. Finally, three doll cheollik and cheollik-styled doll apron sample were produced. Various versions must be suggested in the study of doll costume products with traditional sources that balance historical characteristics and practicality to improve customer satisfaction.

The color characteristics of Cartier's exotic design in the early 20th century (20세기 초 까르띠에의 이국적 디자인의 색상 특성)

  • Hong, Jiyoun
    • The Research Journal of the Costume Culture
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    • v.25 no.4
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    • pp.509-518
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    • 2017
  • As the international competitive landscape deepens, the need to understand foreign cultures and establish effective strategies is increasing. At the beginning of the 20th century, Cartier actively developed exotic designs to secure international competitiveness; theses designs have also been used as design prototypes for Cartier in modern times. The purpose of this study is to analyze the color characteristics and types of exotic designs in the early 20th century, which was a turning point in Cartier's design. After studying the literature, a total of 248 exotic designs were presented in Cartier catalogs. This study also selected overseas monographs from the early 20th century, and their design types were classified and color analysis was performed based on the Natural Color System(NCS). Cartier's exotic designs cover wide range of styles, such as Chinese, Japanese, Persian, Indian and Egyptian styles. Multicolor, primary colors, and contrast are all strongly expressed. 97% of designs contained multiple colors, with at least two colors and maximum of six colors. The most frequently used colors are red, green, and blue, which means that only 9% of the designs do not contain the three colors, showing a high preference for theses three colors. In addition, color combinations of red and green, red and blue, or all three colors are used to show high contrast and utilize complementary colors, or near complementary colors, for coloration. This study is meaningful in that it analyzes the color characteristics of Cartier's exotic designs and translates them into practical data for establishing the color strategies of companies in the global market.