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백성호,박재범,김윤영,이종태,Paik, Sung Ho,Park, Jae Bum,Kim, Yun Young,Lee, Jong Tae 한국수소및신에너지학회 1997 한국수소 및 신에너지학회논문집 Vol.8 No.3
In this study, feasibility of expansion of BFL equivalence ratio are examined with change of injection location of hydrogen gas in intake pipe, coolant temperature, spark timing and amount of residual gas. As the results, BFL equivalence ratio is increased when injection location has some distance from intake valve. And it is decreased in accordance with increasing of coolant temperature and advance of spark timing. The amount of residual gas has little effect on BFL equivalence ratio.
백성호(Sung Ho Paik),박재범(Jae Bum Park),김윤영(Yun Young Kim),이종태(Jong Tae Lee) 한국수소및신에너지학회 1997 한국수소 및 신에너지학회논문집 Vol.8 No.3
In this study, feasibility of expansion of BFL equivalence ratio are examined with change of injection location of hydrogen gas in intake pipe, coolant temperature, spark timing and amount of residual gas. As the results, BFL equivalence ratio is increased when injection location has some distance from intake valve. And it is decreased in accordance with increasing of coolant temperature and advance of spark timing. The amount of residual gas has little effect on BFL equivalence ratio.
이남호 ( Lee Nam Ho ),백성호 ( Paik Sung Ho ),김기복 ( Kim Ki Bok ) 한국농공학회 2001 韓國農工學會誌 : 전원과 자원 Vol.43 No.3
The purpose of this study is to develop an economic and practical radiation sensor using photo diodes which is useful for estimating ET in greenhouse environment. An electronic circuit was then designed. Out put signal of photo diode is amplified with a LM318 transistor and is displayed in a LCD with value from zero to 255. The output signal was compared with that of a ready-made pyranometer. The behavior of the photo diode radiation sensor was evaluated by increasing number of photo diodes. The sensor became more reliable with increased number of photo diodes. Developed radiometer was tested with calibrated relation between pyranometer radiation and photo diode output. It was showed that the photo diodes radiometer would be applicable for the greenhouse environment.
이남호 ( Lee Nam Ho ),김기복 ( Kim Ki Bok ),백성호 ( Paik Sung Ho ) 한국농공학회 2000 한국농공학회 학술대회초록집 Vol.2000 No.-
The purpose of this study is to develop an economical radiation sensor using photo diodes. An electronic circuit was developed. The behavior of the radiation sensor was evaluated by increasing number of photo diodes. The sensor became more reliable by the increase in number of photo diodes. It was showed that the photo diodes sensor would be applicable.
이종태(Jong Tai Lee),백성호(Sung Ho Paik) 한국수소및신에너지학회 1996 한국수소 및 신에너지학회논문집 Vol.7 No.1
As an essential step for development of a duel injection hydrogen fueled engine which can obtain high thermal efficiency and power in overall operating range, performance and BFL(back fire limit) equivalance ratio in hydrogen fueled engine with external mixture are investigated. As .the results, BFL equivalence ratio in hydrogen fueled engine with external mixture is approximately 0.7. It is deduced that controls of driving conditions are required in transient stage from external mixture type to inner injection type. And in order to increase thermal efficiency, it is also found that BFL equivalence ratio should be expanded as much as possible.
Paik, Sung Ho,Lee, Ho Wang 고려대학교 의과대학 1974 고려대 의대 잡지 Vol.11 No.2
월남에 Leptospirosis가 존재함은 널리 알려져 있는 사실이다. 한국인에서의 Letpospirosis에 관한 연구는 희소하며, 한국군이 월남에 주둔함으로써 이질환의 유행 가능성과 귀국시의 방역등이 그간 문제시되어 왔던 것이다. 1969년 여름 Tuy Hoa 근처(죽음의 계곡)에 주둔한 한국군에서 원인불명의 전염성 고열질환이 유행하여 이를 조사한 결과 Leptospirosis 및 Scrub typhus에 의한 질병이 였음을 알 수 있었다. 29명의 환자 혈청을 검사한 결과, 4명에서 Leptospira에 대한 항체를 증명할 수 있었으며 Scrub typhus 환자도 13명있었음을 알 수 있었다. 이중 3명의 환자에서는 Leptospira 및 Scrub typhus에 대한 항체를 동시에 증명할 수 있었다.