Calibre를 이용한 14bit pipeline ADC레이아웃 설계

유진범,송승원,송유진,이관호,유승현,김시경 한국정보기술학회 2017 Proceedings of KIIT Conference Vol.2017 No.12

항공기 엔진베어 내 소화장치 성능예측을 위한 전산해석방법 연구

신훈범(H.B. Shin),서석주(S.S. Joo),정주현,유진복 한국전산유체공학회 2010 한국전산유체공학회 학술대회논문집 Vol.2010 No.5

There is fire dangers inside engine bay where fuel of oil leakge can be ignited by hot engine surfaces. So, Fire suppressor is needed to extinguish the flames. The current FAA requirement is that the concentration level should be greater than 6% by volume throughtout the protected zone for longer than a half second simultaneously. To Satisfy the FAA requirement, The Fire extinguish system should quickly delivery the fire extinguish agents and Fire extinguish system should be designed effectively. This study is to develop and simulate the injection of fire extinguish agents into the engine-bay. Transient simulations were performed and predicted the concentration of fire extinguish agents at the certain locatioin in the engine-bay.

2차원 에어포일에서의 결빙부착 수치해석

신훈범(H.B. Shin),최원(W. Choi),서석주(S.J. Seo),유진복(J.B. Ryu) 한국전산유체공학회 2009 한국전산유체공학회 학술대회논문집 Vol.2009 No.4

Ice accretion is one of the potential hazards in airplane flight, adversely affecting aircraft aerodynamic. There are two distinct icing analysis that can be simulated. One is predicting the effect of ice on the aerodynamic performance of airfoils when ice geometry is known. The other is simulating ice accretion. This work presents the method of icing accretion analysis. This work presents an Eulerian approach to calculate the droplet collection efficiency on the 2D airfoil. The initial flow solution are obtained the FLUENT and copled with droplet motion in the ambient condition.

방제빙장치 전산해석방안 연구

신훈범(H.B. Shin),유진복(J.B. Ryu) 한국전산유체공학회 2012 한국전산유체공학회 학술대회논문집 Vol.2012 No.5

This study presents the process of icing analysis to predict the icing shapes and performance of anti/de-icing systems. To predict the particle trajectory and collection efficiency on the 2D airfoil, The trajectory code is developed using the UDS(User Defined Scalar Transport Framework) of FLUENT. Energy balances are performed to predict the surface temperature distribution on the 2D airfoil. A various tests results which contain the ice shapes and temperature distribution are considered to validate the numerical method and results.

CFD를 이용한 헬리콥터의 배기재순환 예측

신훈범(H.B. Shin),유진복(J.B. Ryu) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.5

The hot gas reingestion phenomenon of helicopter brings about the reduction of engine power available around in-ground. The phenomenon will vary for the conditions of ambient conditions and engine exhaust gas, the flow field associated with the downwash effect of main rotor. To verify the amount of hot gas reingestion to intake, Tests(Wind tunnel test, Flight test) or CFD could be available. At this study, the reingestion around in-ground would be predicted by numerical anaslysis(CFD).

디스플레이를 활용한 비즈니스 전략 및 컨텐츠 제안

이보인(Boin Lee),유진선(Jinseon Yoo),정소연(Soyon Jeong),박소담(Sodam Park),신창범(Changbeom Shin) 한국HCI학회 2013 한국HCI학회 학술대회 Vol.2013 No.1

양이 많아지고 다양해진 현재의 실생활에 유용한 정보를 제공하며 전 세계의 사람들이 만날 수 있는 커뮤니티를 형성할 수 있는 공간으로 ‘카페’를 제안한다. 혁신적인 기술 바탕의 테이블 디스플레이는 B2B (Business to Business)로만 구매가 가능하여 일반인들의 접근성을 제한한다는 단점이 있지만, 다양한 사람들이 오고가는 장소로 삶의 모습이 잘 드러나는 곳인 카페에 설치함으로써 일반인들의 친밀감을 높이고 동시에 사용자와 가장 가까운 거리에 위치하여 그 안에서 다양한 경험을 제공한다. 본 연구에서 제안하는 컨텐츠는 소비자들에게 모바일 기기와 연동하여 그들의 필요를 바탕으로 새로운 경험을 주는 한편 카페에는 독창적인 브랜드 이미지 구축을, 기업에는 브랜드 친밀도 향상 이라는 결과를 얻게 할 것이다. 다양한 경험 컨텐츠로 구성된 테이블 디스플레이는 윈-윈 비즈니스의 형태를 갖춰 쌍방에게 다양한 이득을 취하게 하여 막대한 수익 체계를 형성할 것으로 기대된다. the amount of information has become more and more diverse, we were to form a community that can provide useful information about the real world and connect with other people. The table display based on innovative technology, which is only available in B2B(Business to Business), is very inconvenient because it is limited to the public. By installing this at a well exposed cafe where a variety of people come and go, it increases the intimacy of the public and provide a variety of experiences within the location closest to you. In this study the contents we purpose to give new experience based on consumers needs, at the same time giving a unique brand image to the cafe and gives the corporate brand familiarity. A table display with a variety of contents to experience is expected to form a win-win business bringing huge profits to both parties.

카페 3.0: IT 기술 기반에 카페형태의 변화와 정의

정소연(So Yon Jeong),유진선(Jin Seon Yoo),이보인(Bo In Lee),신창범(Chang Beom Shin),주다영(Da Young Ju) 한국HCI학회 2014 한국HCI학회 학술대회 Vol.2014 No.12

사례연구를 통한 탈북민의 회심 과정에 관한 연구

권오성 ( Kwon O Sung ),임재환 ( Lim Jae Hwan ),윤대노 ( Yoon Dae No ),유진범 ( You Jin Beom ) 한국복음주의선교신학회 2023 복음과 선교 Vol.61 No.-

본 연구는 탈북민의 회심의 과정과 회심에 영향을 미치는 결정적인 요인을 사례 연구를 통하여 분석하였다. 기독교 신앙을 가진 20명의 탈북민 연구참여자와의 면접조사를 통하여 탈북민의 회심이 단회적인 사건이 아닌 여러 요인이 복합적으로 결합하여 나타나는 과정임을 확인할 수 있었다. 먼저 탈북 과정 가운데 대다수의 탈북민이 경험하는 생사의 위기는 회심을 위한 중요한 출발점이 된다. 특별히 탈북민이 탈북하는 도중에 북송과 같이 결정적인 위기를 모면하는 초월적 경험을 하거나 초월적 존재를 경험한 경우에 이들은 회심을 할 수 있는 매우 핵심적인 토대를 확보한다는 점을 확인하였다. 면접 조사 결과 이들의 초월적 경험은 기독교 신앙을 가진 신앙인 즉 목회자 혹은 선교사 등의 존재를 통하여 해석되는 과정을 거치면서 진정한 회심으로 이어지는 것을 발견할 수 있었다. 이들은 신앙인과의 만남과 성경에 대한 배움의 과정 속에서 자신이 경험했던 초월적 경험을 하나님의 개입과 인도하심으로 이해하게 된다. 또한 본 연구는 탈북민을 만나는 목회자와 선교사가 자신을 위해 권위를 내세우지 않고 온유한 마음과 겸손과 사랑으로 그들에게 다가갔을 때에 비로소 대다수 탈북민이 가지는 걸림돌이 제거된다는 점을 확인하였다. 이러한 사례 분석을 바탕으로 탈북한 이후 남한 정착 과정에 있는 사람들의 회심을 도울 수 있는 탈북민 회심을 위한 효과적인 전도전략을 제시하였다. This study analyzed the decisive factors affecting the conversion process and conversion of North Korean defectors through case studies. An interview survey of 20 North Korean defectors with Christian faith confirmed that the conversion of North Korean defectors was not a single event but a combination of factors. First, the crisis of life and death experienced by many North Korean defectors during the process of defection is an important starting point for conversion. When North Korean defectors experienced or escaped a critical crisis, such as returning to North Korea while escaping from North Korea, they secured a very important foundation for conversion. An interview survey found that their transcendental experience led to true conversion through the process of being interpreted through the existence of believers of Christian faith, such as pastors or missionaries. They understand the transcendent experience they experienced in the process of meeting with believers and learning about the Bible through God's intervention and guidance. The study also confirmed that the skandalon (a stumbling block) of many North Korean defectors was removed only when pastors and missionaries who meet North Korean defectors did not put forward their authority for themselves and approached them with a gentle heart, humility and love. Based on this case analysis, an effective evangelism strategy for the conversion of North Koreans was presented that can help those who are in the process of settling in South Korea after defecting.

Antimicrobial Effect of Chitosan and Its Oligosaccharides Against Growth of Vibrio Species Causing Fish Diseases

전유진,김세권,박표잠,허문수,안창범 한국키틴키토산학회 2005 한국키틴키토산학회지 Vol.10 No.2

Every year many aquacultural farms around the world have sufered severe problems due to fish disease caused by somevibrio species, in particular V. salmonicida, V. mimicus, V. anguillarum, V. alginolyticus, and V. harveyi. These vibrio specieshave been well-known as representative marine bacteria for fish or human diseases. Therefore, the development of functionalfish feeds having efficient antimicrobial materials which effectively inhibit the growths of these vibrio species is required. this purpose antimicrobial activities of chitosan and its enzymatic hydrolysates, chitosan oligosaccharides (COS), against somevibrio species were investigated in in vitro. The COS was separated to three fractions using ultrafiltration membranes withmolecular weight cut-off 1 kDa, 5 kDa and 10 kDa, based on their molecular weights: a high molecular weight COS(HMWCOS) ranging 7.0 to 24.0 kDa; a medium molecular weight COS (MMWCOS) ranging 1.5 to 6.0 kDa; a low molecularweight COS (LMWCOS) ranging 1.0 to 1.5 kDa. From the results, it was found that chitosan effectively inhibited the growth ofmost vibrio bacteria tested in the study, especially V. anguillarum, V. alginolyticus and V. salmonicida. Most COS samplesV. anguillarumgrowth. The antimicrobial activity increased with increasing molecular weight of the COS. It was proved that chitosan andHMWCOS would be used as natural antimicrobial agents against pathogenic vibrio species causing fish diseases.

Mycobacterium abscessus에 의한 피부 감염 1예

한유진 ( You Jin Han ),최혜영 ( Hae Young Choi ),명기범 ( Ki Bum Myung ),최유원 ( You Won Choi ) 대한피부과학회 2008 대한피부과학회지 Vol.46 No.12

We report a case of cutaneous Mycobacterium (M.) abscessus infection in a 32-year-old woman who presented with a red infiltrated plaque on her left shin. No history of prior trauma was reported, but she had a history of habitual leg shaving. Skin biopsy specimen showed neutrophilic abscesses with poorly defined granulomas in the lower dermis and subcutaneous tissue, as well as some acid-fast bacilli. The microorganism was identified as M. abscessus by tissue culture and PCR-restriction fragment length polymorphism (PCR-RFLP) analysis. The patient was treated with clarithromycin and cefaclor for 4 months, and there was no evidence of recurrence at 6 month follow-up. (Korean J Dermatol 2008;46(12):1657∼1660)