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김홍성(Hongsung Kim),김문헌(Munheon Kim) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
It was established to the system, which adapted combustion system not following spark<br/> ignition system without any ignition apparatus. Adapting the method of increasing inlet-air<br/> heating temperature made possible enhanced the compression ignition characteristics of gasoline<br/> fuel injected to intake-port. It was established the compression ignition gasoline engine. So, the<br/> system was investigated the performance characteristics of compression ignition gasoline engine<br/> by the variety of injection timing.
김홍성(Hongsung Kim),박정서(Jungseo Park),김문헌(Munheon Kim) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_1
It was established to the system, which adapted combustion system not following spark ignition system without any ignition apparatus. It was heated and controlled inlet-air into conventional single cylinder engin. Adapting the method of increasing inlet-air heating temperature made possible enhanced the compression ignition cbaIacteristics of gasoline fuel injected to intake-port. It was established the compression ignition gasolin engin. So, the system was investigated the emission characteristics of compression ignition gasolin engine. The conclusions of combustion emission chracteristics are as followed.<br/> The gasoline compression ignition system made possible to run lean bum(over air-fuel ratio 30) the engine, and emission of carbon monoxide was emitted little about the changes of air-fuel ratio. Inlet-air heating temperature and the changes of engine speed were hardly got influenced. The emission of hydrocaIbon was increased as much as air-fuel ratio's increased<br/> But the ranges of changes was very narrow. It was emitted little only as much as 2 ppm and 4 ppm within the changes of inlet-air heating temperature and engine speed. The emission of nitrogen oxide was decreased greatly as much as air-fuel ratio was decreased. When air-fuel ratio was over 45, the emission of nitrogen oxide was emitted little in case that the changes of inlet-air heating temperature and engine speed.<br/> The achievements of gasoline compression ignition system could improved that the emission concentrations of carbon monoxide, hydrocarbon and nitrogen oxide were reduced greatly.
김문헌(Munheon Kim),김홍성(Hongsung Kim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This work deals with a controlled auto-ignition (CAI) single cylinder gasoline engine, focusing on the extension of operating conditions. The fuel is injected indirectly into electrically heated inlet air flow. In order to keep a homogeneous air-fuel mixing, the fuel injector is water-cooled by a specially designed coolant passage. Investigated are the emission characteristics of compression ignition gasoline engine by the variety of injection timing. The compression ignition gasoline engine can be achieved that the ultra lean-burn with self-ignition of gasoline fuel by heating inlet air. It can be achieved that the emission concentrations of carbon monoxide, hydrocarbons and nitrogen oxide had been significantly reduced by CAI combustion compared with conventional spark ignition engine.<br/>
Production of alpha 1-3-galactosyltransferase knock out micropig® by somatic cell nuclear transfer
HyunYong Choi,ChunGyu Park,YoungJune Kim,HyeYeong Yang,SeungWon Yoon,SeulGi Lee,HongSung Kim,JunWoo Kim,HyeongSeok Choi,SangJin Hwang,ChangGeun Suk,Chang-Gi Hur 한국실험동물학회 2018 한국실험동물학회 학술발표대회 논문집 Vol.2018 No.7
사회적 경제 교과서와 교수·학습자료의 교육과정 표준안 적합성 분석 : 초등학교용 자료를 대상으로
신홍성 ( Hongsung Shin ),강민정,이다래,김도영,신성욱 ( Sunguk Shin ),김경모 ( Kyungmo Kim ) 경상대학교 중등교육연구소 2017 중등교육연구 Vol.29 No.-
경제적 목적과 사회적 목적을 동시에 추구하며 연대에 기초하여 특정 재화나 서비스, 지식을 생산하는 기업이나 조직을 우리는 보통 사회적 경제라고 한다. 이는 인간의 이기심을 바탕으로 이윤을 추구하는 시장경제와는 성격을 달리하고 있다. 이러한 사회적 경제는 시장원리가 지배적인 미국에 비해 유럽에서 발달하였고, 특히 시장의 실패로 인하여 더욱 주목받게 되었다. 우리나라도 1990년 후반 이후 중앙정부의 정책이나 법 제도에 의존하는 형태로 발전하기 시작하였고, 현재 많은 지방자치단체에서 시행중이다. 이에 교육계에서도 사회적 경제를 학교에서 가르치고자 하는 시도들이 나타났다. 특히 서울특별시와 서울특별시 교육청, 한국사회적기원진흥원에서는 교육과정 표준안과 교과서 및 해설서 등을 제작하였다. 본 글에서는 이들 자료들을 살펴보고 자료구성의 적절성, 현장에서의 적용가능성 등을 살펴보았다. 그 결과 사회적 경제에 대한 명확한 개념 정립과 이를 통한 자료구성, 그리고 정규 교육과정에 사회적 경제의 도입이 필요한 것으로 나타났다. Social economy is defined as company or organization that pursues both economic and social goals and produces certain goods, services, and knowledge based on solidarity. Social economy is different from market economy which puts top priority on profit seeking based on human selfishness. Social economy has more developed in Europe than in the United States where market economy has dominant power. After economic crisis triggered by market failure, social economy emerged as possible alternative. In Korea, Social economy has begun to develop with the support of legal system since 1990s and is now being implemented through many local governments. Thus, there have been attempts to teach social economy in schools. In particular, the Seoul Metropolitan Government and the Seoul Metropolitan Office of Education have produced 「Social Economy」textbook and teaching manuals. Korea Social Enterprise Promotion Agency has produced curriculum standards of 「Social Econom y」. In this thesis, 「Social Economy」textbook, teaching manuals and curriculum standards of 「Social Economy」will be analyzed in terms of overall composition, and applicability in the fields of education. Furthermore, it is necessary to establish clear concept of social economy, organize appropriate data, and introduce social economy into the formal school education.
고정밀 가속도 센서를 이용한 데이터 수집기를 위한 안드로이드 애플리케이션 개발
손홍성 ( Hongsung Shon ),이현준 ( Hyunjun Lee ),김수희 ( Suhee Kim ) 한국정보처리학회 2014 한국정보처리학회 학술대회논문집 Vol.21 No.1
전통적인 측정 방법이나 DSA장비를 이용해 측정이 불가능하거나 제한되었을 때를 대비해, 언제 어디서나 용이하게 진동 데이터를 측정하기 위해 개발된 휴대용 무선 측정 수집기 RH-DAQ와 연계되는 안드로이드 애플리케이션을 개발한다. 이 연구를 통해 데이터 수집기에서 전송하는 데이터를 안드로이드 스마트폰에서 그래프화 시킴으로서 사용자의 측정에 편리성을 제공하고, 설정 정보 및 측정 데이터를 저장 가능하다. 추후 기능들을 업그레이드하면 철로 주변의 진동 환경 평가 등의 기존 시스템으로 제한된 곳에서의 장점을 보일 수 있고 다른 다양한 분야에도 사용 될 수 있다.