• Title/Summary/Keyword: sustainable operation

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A Case Study of Sustainable Design Curriculum for the implement SDGs focus on fashion design major (SDGs 지속가능한 디자인 교과목 운영 사례연구 - 패션디자인을 중심으로)

  • Shin, Haekyung
    • The Journal of the Convergence on Culture Technology
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    • v.10 no.1
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    • pp.325-335
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    • 2024
  • In this study, I investigated cases of operating Sustainable Development Goals (SDGs) sustainable design courses based on interdisciplinary education for diverse design major students in the fashion design department. Through literature review, we examined the necessity of this course operation and analyzed the course through class design, execution, and operational results. Sustainable design courses were organized for 2nd to 4th-year students, promoting integrated learning for fashion design and various design majors to enhance interdisciplinary skills based on the in-depth study of SDGs issues. The educational content in the classes focused on the sustainable development goals achieved through upcycling design of waste PET bottle fibers developed by local industries, aiming to pursue sustainable values of designers through problem discovery and resolution. Students developed various upcycled products, evaluated metrics, and assessed satisfaction levels. Through this process, students gained an understanding of the practical value of SDGs, recognized the importance of sustainable development through design approaches for solving local issues, and acknowledged the significance of interdisciplinary education with various design majors.

A Study on the Development of Sustainable Durability Design System for Reinforced Concrete Structure under Chloride Attack Environments (염해 환경하의 철근콘크리트 구조물의 친환경 내구설계 시스템 개발에 관한 연구)

  • Kim, Rak-Hyun;Roh, Seung-Jun;Tae, Sung-Ho
    • KIEAE Journal
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    • v.11 no.4
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    • pp.87-94
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    • 2011
  • This study was suggested to develop sustainable durability design system and proposed the plan to evaluate design conditions that meet the intended service life and $LCCO_{2}$ reduction level of reinforced concrete structure easily from the early design stage. For that the W/B and covering depth of the concrete structure were calculated through calculation of service life based on standard specification expression and the quantitative reduction rate of the vertical member of reinforced concrete structure by the calculated W/B was applied. Life cycle of building classified into construction stage, operation stage, maintenance stage, and demolition/disposal stage and the method of $CO_{2}$ evaluation of each stage was proposed. For construction stage, the major construction materials that take up over 80% $CO_{2}$ emitting during building construction were selected and the $CO_{2}$ evaluation method for 5 standard apartment houses was proposed. Also, for operation stage, $CO_{2}$ emission was calculated through calculation of heating load by energy efficiency rating certification system. For maintenance stage, $CO_{2}$ emission was calculated using concept of re-construction by life and for demolition/disposal stage was calculated with the use of construction standard estimate. As a result of the case study by such evaluation methods, 80 years of service life and 17 specifications of sustainable durability design that meet the 40% intended $LCCO_{2}$ reduction level were deduced. The Maximum $LCCO_{2}$ reduction rate was analyzed by 47.2%.

Study on the Operation Strategy of A Building with Multi-Complex Spaces (복합 공간 구성 건물의 공조구역 운영 전략에 따른 에너지부하 특성 연구)

  • Yook, In-Soo;Kim, Min-Hwan;Nam, Hyeon-Jin;Kim, Dong-Ho;Seol, Dong-Mun;Lee, Geon-Tae;Kim, Jin-Ho S.;Kim, Jae-Min
    • Proceedings of the SAREK Conference
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    • 2009.06a
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    • pp.108-113
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    • 2009
  • Buildings with multi-complex spaces designed for architectural values and functional requirements give rise to technical challenges in terms of energy efficiency and thermal comfort. Since spaces in such buildings are connected with openings with geometrical complexity, it is hard to define zoning plan and to control heating/cooling loads effectively. This paper presents a case study on the evaluation of operation strategy for a building with multi-complex spaces using computer simulation. The modelling methodology and the results of the simulations are also described.

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A Study on the Sustainability Assessment of Ports using TBL (Triple Bottom Line) (TBL을 활용한 항만의 지속가능성 평가에 관한 연구)

  • Park, Ho;Lee, Joo-ho;Jang, Hyun-mi
    • Journal of Korea Port Economic Association
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    • v.32 no.4
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    • pp.211-220
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    • 2016
  • In accordance with the environmental changes that surrounds the port, there seems to be a trend of increasing interest in a sustainable development and operation of port. Considering that sustainability assessment utilizing Triple Bottome Line(TBL) has been conducted actively in various fields of research, it is essential to evaluate port sustainability including not only economic aspect but also social as well as environmental ones. In this regard, this study aims to measure the relative importance of port sustainability index using AHP. Moreover, sustainability of Korean four major ports has been tested by adopting the newly developed index in this study. From the results, it can be concluded that in addition to securing high value cargoes, increasing efficiency of port operation and infrastructure together with capital investment are essential. Growth harmonized with surrounding area of port and environment-friendly port operation should not be disregarded.

Development of the Technology Transfer System In Reservoir operation

  • ITO Kazumasa;IMANISHI Yumi
    • Proceedings of the Korea Water Resources Association Conference
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    • 2005.05b
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    • pp.44-51
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    • 2005
  • Water flow in rivers during flood season can be 10 to 100 fold higher than normal seasons (low precipitation) in Japan and predicting flood runoff is essential for operating reservoirs with discharging gates. Abundant experiences and knowledge are requisites for operators to be able to make efficient decisions at work. This research investigated a method to transfer technical knowledge by acquiring skills and knowledge from actual dam operators and by using the information to construct an educational training system. The purpose of the research was to enable the execution of a secure and rational reservoir operation during flood period. The educational training system for reservoir operation was developed with the focuses on acquiring knowledge on hydraulics and hydrology and learning about decision making related to the reservoir operation as well as the timing of control. The system is capable of conducting education that corresponds to individual levels in each location. Of the educational training methods, a lecture method that uses textbooks is effective for the understanding of basic knowledge and concepts while a training method that uses a simulation device is essential for the practice of advanced and specialized procedures in specific fields. Simulation devices are used in operational training for airplane flight and driving cars and trains. The educational system presented here was designed to provide further assistance to those who have acquired basic knowledge and concepts through textbooks and also to at low them to perform the satisfactory operation of dam equipment. Our research proposes a method which can realize a system to acquire technical skills-the skills which are the foundation of technical knowledge and operation.

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Synthesis of four-bar linkage motion generation using optimization algorithms

  • Phukaokaew, Wisanu;Sleesongsom, Suwin;Panagant, Natee;Bureerat, Sujin
    • Advances in Computational Design
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    • v.4 no.3
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    • pp.197-210
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    • 2019
  • Motion generation of a four-bar linkage is a type of mechanism synthesis that has a wide range of applications such as a pick-and-place operation in manufacturing. In this research, the use of meta-heuristics for motion generation of a four-bar linkage is demonstrated. Three problems of motion generation were posed as a constrained optimization probably using the weighted sum technique to handle two types of tracking errors. A simple penalty function technique was used to deal with design constraints while three meta-heuristics including differential evolution (DE), self-adaptive differential evolution (JADE) and teaching learning based optimization (TLBO) were employed to solve the problems. Comparative results and the effect of the constraint handling technique are illustrated and discussed.

Study on Efficient Port Environmental Management for Sustainable Port Operation (I): Case Study of Marine Environments and Natural Resources Impacts by Busan New Port Development (지속가능한 항만운영을 위한 효율적 항만환경관리에 관한 연구 (I): 부산 신항만 개발로 인한 해양환경 및 자원 영향성 평가 사례)

  • Kim, Tae-Goun
    • Journal of Navigation and Port Research
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    • v.40 no.6
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    • pp.401-412
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    • 2016
  • The sustainable operation and development of ports is a key industry for Korea's national economy. It is increasingly more important to resolve conflicts with local communities due to port environmental problems such as air pollution, water pollution, noise and ecosystem destruction while securing port competitiveness through infrastructure expansion. In case of the Busan New Port development project in Korea, construction has been temporally suspended due to conflict with local fishermen over marine sand mining for construction. A primary reason for this is the absence and limitation of qualitative port environmental impact assessment methodologies in Korea. This includes the current investigation of fisheries damaged by ports. Therefore, the main purpose of this study is to propose economic valuation methods for assessing environmental impacts that are essential for efficient port environmental management and for sustainable port operation and development in Korea. To do this, this study examines the overall port environmental problems and their effects (damages) through the analysis of environmental policies and case studies of domestic and overseas ports. Then economic valuation methods are suggested for total economic values (TEV) of damaged environmental goods and services. Among the proposed methods, Habitat Equivalency Analysis (HEA), as a more scientific data based method, was applied to estimate marine ecosystem service damages from the designation of Busan New Port Anchorages. Finally, based on the study results, more efficient port environmental management will be achieved through the institutional adoption of the proposed economic impact assessment methods for port environmental damages.

Lifecycle Health Assessment Model for Sustainable Healthy Buildings

  • Lee, Sungho;Lim, Chaeyeon;Kim, Sunkuk
    • Journal of the Korea Institute of Building Construction
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    • v.14 no.4
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    • pp.369-378
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    • 2014
  • A system to analyze, assess and manage the health performance of resources and spaces throughout the project lifecycle shall be established to ensure sustainable healthy buildings. Decisions made in the planning, design, construction, and operation and management (O&M) phases must help sustain the health performance of buildings at the level specified by clients or the relevant laws. For this reason, it is necessary to develop a model to ensure the consistent management of performance, as such performance varies according to the decisions made by project participants in each phase. The purpose of this research is to develop a Lifecycle Health Assessment Model (LHA) for sustainable healthy buildings. The developed model consists of four different modules: the Health-friendly Resources Database (HRDB) module, which provides health performance data regarding resources and spatial elements; the Lifecycle Health-performance Tree (LHT) module, which analyzes the hierarchy of spatial and health impact factors; the Health Performance Evaluation (HPE) Module; and the Lifecycle Health Management Module, which analyzes and manages changes in health performances throughout the lifecycle. The model helps ensure sustainable health performances of buildings.

A Study on the Problems and Solutions of Environmental Impact Assessment System for Environmentally Sound and Sustainable Development (ESSD를 위한 지역 환경영향평가제도의 문제점 및 개선방안 연구)

  • Oh, Hae-Sub;Lim, Hyung-Baek
    • Journal of Agricultural Extension & Community Development
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    • v.6 no.1
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    • pp.15-24
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    • 1999
  • There have always been dilemmas between development and environmental conservation throughout the world. Gradually environmental contamination threatens sustainable development and conservation. we try to study on the sustainable development with environmental conservation. One of the instruments to get this goal is Environmental Impact Statement. Environmental Impact Statement has now become a standard tool of decision making in Environmentally Sound and Sustainable Development. The objectives of this study is to explore and suggest some suggestions for improvements of EIA. 1. Identify all criteria and standards that apply to physical and social environmental components and dynamics. 2. Giving attention to the purpose of the criterion and standard, with respect to resource use and quality. 3. Demonstrate the relevance legal, technical, and scientific authority by early planning through construction, operation and maintenance phases. 4. Implement rationales and protocols for the documentation of standard analytical methods, location of sampling points and statistical analysis of data. 5. Establish precise protocols by predictions of environmental impact relevant for established criteria and standards. Reviewing these protocols with relevant legal authorities prior to their implementation is important.

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Using ICT for Mongolia's sustainable development in energy industry

  • Tungalag, Azjargal;Kim, Yun Seon
    • Asia Pacific Journal of Business Review
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    • v.2 no.1
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    • pp.21-52
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    • 2017
  • Nowadays every technology is becoming smarter. Consequently, intensive use of ICT in the whole industries and cities enables a sustainable approach to meet enormous productivity, efficiency, transparency and conservation of natural recourses. Likewise, the role of ICT in terms of controlling, monitoring in the energy industry allows integrating potential renewables, bulk energy conservation and reliable optimized operation in the entire system. In this paper outlines challenging issues in renewable energy integration in Mongolia and proposes potential recommendations and conclusions. The author investigated the main technologies used in energy industry mainly smart grid, challenges and policy aspect in Mongolian energy sector by using the primary and secondary approach with case studies and literature based methodologies. Based on the policy aspect and current implementation of smart grid, the paper tries to address the readiness for the main application and future potential ICT driven applications. Furthermore, it concluded that ICT convergence is demanded to overcome the current vulnerabilities and significant momentum to leave behind by using its potential energy recourses and favorable geographical state. Policymakers may find this study useful, as it answers the question of whether ICT investment can ultimately reduce energy consumption and may aid in future planning. Even tough, in order to develop a smart grid and integrating renewables firstly set an appropriate market structure, ICT will key enabler to make energy system more profitable and sustainable. Regarding the result of this study, ICT deployment contribution is a huge demand for future opportunities energy in Mongolia.