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IEA SolarPACES 83차 집행위원회 및 Task 활동
강용혁(Yong-Heack Kang),이현진(Hyun-Jin Lee),이상남(Sang-Nam Lee),윤환기(Hwan-Ki Yoon),유창균(Chang-Kyun Yu) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
SolarPACES is an international cooperative network bringing together teams of national experts from around the world to focus on the development and marketing of concentrating solar power systems (also known as solar thermal power systems). Currently SolarPACES has 20 members: Australia, Austria, Algeria, Brazil, China, Chille, Egypt, the European Commission, France, Germany, Israel, Italy, Mexico, Republic of Korea, South Africa, Spain, Switzerland, United Arab Emirates and United States of America. Technology development is at the core of the work of SolarPACES. member countries work together on activities aimed at solving the wide range of technical problems associated with commercialization of concentrating solar technology, including large-scale system tests and the development of advanced technologies, components, instrumentation, and systems analysis techniques. In addition to technology development, market development and building of awareness of the potential of concentrating solar technologies are key elements of the SolarPACES program. The Implementing Agreement specifies broad "Tasks," or thematic areas of work. SolarPACES currently has three ongoing tasks, focusing on concentrating solar electric power systems (Task I), solar chemistry research (Task II), and solar technology and applications (Task III). Many SolarPACES activities involve close cooperation among member countries (either through sharing of task activities or, occasionally, cost-sharing), although some cooperation is limited to sharing of information and results with other participants. In this paper, contents of 83th SolarPACES ExCo Meeting and tasks are introduced. And furture activies in the SolarPACES are introduced.
강용혁(Kang, Yong-Heack),김종규(Kim, Jong-Kyu),이현진(Lee, Hyun-Jin) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.11
SolarPACES is an international cooperative network bringing together teams of national experts from around the world to focus on the development and marketing of concentrating solar power systems (also known as solar thermal power systems). It is one of a number of collaborative programs, called Implementing Agreements, managed underthe umbrella of the International Energy Agency to help find solutions to worldwide energy problems.Technology development is at the core of the work of Solar PACES. Member countries work together on activities aimed at solving the wide range of technical problems associated with commercialization of concentrating solar technology, including large-scale system tests and the development of advanced technologies, components, instrumentation, and systems analysis techniques. In addition to technology development, market development and building of awareness of the potential of concentrating solar technologies are key elements of the Solar PACES program.The Implementing Agreement specifies broad "Tasks," or thematic areas of work. SolarPACES currently has three ongoing tasks, focusing on concentrating solar electric power systems (TaskI), solar chemistry research (Task II), and solar technology and applications (Task III). An Operating Agent, nominated by the ExCo, is responsible for overseeing the work of each task. Each task maintains a detailed program of work that defines all task activities, including their objectives, participants, plans, and budgets. In addition to technical reports of the activities and their participants, accomplishments and progress are summarized in the SolarPACES annual report. Many SolarPACES activities involve close cooperation among member countries (either through sharing of task activitiesor,occasionally,cost-sharing), although some cooperation is limited to sharing of information and results with other participants. In thispaper, structure, works, and members of SolarPACES and Korean activies in the SolarPACES are introduced
무선 Ad - hoc 망에서 최대 신장 트리를 이용한 leader 선출 기법
강용혁(Yong Hyeog Kang),엄영익(Young Ik Eom) 한국정보과학회 1999 한국정보과학회 학술발표논문집 Vol.26 No.1A
무선 Ad-hoc 망은 어떠한 하부구조와 중앙관리의 도움 없이 임시 네트워크를 구성하는 무선 이동 호스트들의 집합이다. Ad-hoc 망에서도 응용에 따라 리더(leader) 선출 문제가 야기될 수 있다. 그러나 Ad-hoc 망에서는 망 토폴로지의 변화로 인해 리더 선출에 문제가 생길 수 있을 뿐만 아니라, 리더를 선출한 후에 응용을 위해 broadcast를 수행하는 데도 문제가 발생할 수 있다. 본 논문에서는 Ad-hoc 망에 대한 망 토폴로지 변화에 덜 영향을 받도록 각 노드간의 캐슁된 정보를 이용하여 최대 신장 트리를 구성하여 리더 선출을 쉽게 할 수 있도록 하며, 구성된 최대 신장 트리를 통해 리더가 적은 비용으로 broadcast를 할 수 있도록 하는 기법을 제안하였다.
자연대류형 태양열 온수 급탕 시스템의 열성능 및 실증실험
강용혁(Y.H.Kang),곽희열(H.Y.Kwak),전홍석(H.S.Jeon) 한국태양에너지학회 1991 한국태양에너지학회 논문집 Vol.11 No.1
주거용 온수급탕에 소비되는 에너지를 절약하기 위하여 국내기후와 생활환경에 적합한 자연대류형 태양열 온수 급탕 시스템의 개발에 관한 연구이다.<br/> 비교분석을 위해 집열기와 열교환 형태에 따른 여러형태의 축열조를 제작하여 실험을 수행하였다.<br/> 또한, 열성능 분석결과를 토대로 시스템 최적화를 통한 모범도면을 작성하였고, 지역별, 기후별 실증실험을 위하여 전국7개도시(서울, 부산, 대구, 광주, 대전, 강릉, 제주)에 시범설치하여 열성능 및 실용화 가능성을 검토하였다. This paper studies development of a solar thermosyphon hot water system which is suitable to korean climate and life style, to save energy consumed for domestic water heating.<br/> The system consists of two flat plate collectors(or three flat plate collectors) connected in parallel and a storage tank of 300 liter capacity with heat exchanger and the optimum system was designed through the comparative measurements of five different storage tanks.<br/> The developed system manufactured with domestic materials were installed in residential buildings in seven cities(Seoul, Pusan, Taegu, Kwangju, Taejeon, Kangneung, Cheju) for demonstration and field test and results show possibility for commercialization.