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남하욱,Nam, Ha-Uk 기술표준원 2011 기술표준 Vol.110 No.-
계량의 기준을 정하여 적정한 계량의 실시를 확보하기 위한 법정계량제도는, 화폐제도와 같이 경제활동의 근간을 이루는 제도이다. 1961년 제정한 이래로 계량법은 수십 차례 전부 또는 일부 개정되어 왔다. 최근 개정된 법률, 시행령과 시행규칙의 개정내용을 소개하고자 한다.
크랭크축 각속도의 변동을 이용한 실화 판정(2)-실차 실험-
배상수(S.S.Pae),남하욱(B.J.Lim),김세웅(S.W.Kim),김응서(E.S.Kim) 한국자동차공학회 1995 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1995 No.11_2
To keep up with the regulation of OBD Ⅱ ( on board diagnostics Ⅱ ). many detection methods have been developed. Among them. the method of using the crankshaft speed fluctuation is most noticeable in the point of<br/> view of lower cost and easily-equipped charateristics. On the basis of the results obtained by the experiment of the engine and dynamometer. the integrating torque index (ITI) has been introduced.<br/> In this research, the instrumental and the interfacing systems to engine control unit ( ECU ) are developed for the vehicle test. So the vehicle and chassy-dynamometer test can be carried out in addition to the rough road test.<br/> From this test. the method proposed before proved to be applicable to the real vehicle<br/>
디젤엔진에서 커먼레일 시스템의 분사방법에 따른 기관성능 및 연소특성에 관한 실험적 연구
한영출(young-Chool Han),백두성(Du-Sung Baik),이용균(Yong-Gyun Lee),남하욱(Ha-Uk Nam),박형철(Hyung-Chul Park) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
Common rail injection system is flexible in injection timing, injection duration and pressure in engine. Many<br/> research have reported the advantages in using common rail systems. In this study, the characteristics and<br/> performance for single cylinder diesel engine with common rail systems were investigated by changing the<br/> parameters such as injection timing, injection duration and common rail pressure. The injection timing and injection<br/> duration were controlled by electronic pulse generation, and common rail pressure were controlled by PCV driver.<br/> The 498cc single cylinder diesel engine was used in this experiment. All data in engine combustion pressure,<br/> injection timing and injection duration were recorded by Labview.