Quality Changes of Canned Tuna in Cottonseed Oil during Storage

조현덕 부경대학교 부설 수산식품연구소 1996 水産食品硏究所報告 Vol.17 No.-

평면형 다중접합 열전변환기의 특성

조현덕,김진섭,이종현,이정희,박세일,권성원,Jo, Hyeon-Deok,Kim, Jin-Seop,Lee, Jong-Hyeon,Lee, Jeong-Hui,Park, Se-Il,Gwon, Seong-Won 대한전자공학회 2001 電子工學會論文誌-SD (Semiconductor and devices) Vol.38 No.10

교류의 실용 표준기로 사용하기 위해 TC 1에서 TC 6까지 6개의 평면형 열전변환기를 설계 및 제작하였다. 공기중 및 진공중의 전압 감응도는 TC 6의 경우 열손실이 가장 작아 약 4.03 mV/mW 및 약 6.38 mV/mW의 가장 큰 값을 나타내었다. 열시정수는 히터의 열관성이 가장 부족한 TC 6을 측정하여 약 8 ms를 얻었다. FRDC(fast reversed DC) 방법에 의한 교류-직류 전압 및 전류 변환오차는 40 Hz∼10 ㎑ 주파수 범위에서 1 V 및 5 mA의 정현파 실효전압 및 실효전류를 인가하였을 때 약 ±0.41∼±0.85 ppm 및 약 ±0.15∼±1.16 ppm으로서 실용표준으로 사용하기에 적합하였다. Six types of planar thermal converters from TC 1 to TC 6 were designed and fabricated for the purpose of being used as practical standards to alternating current. The respective voltage responses in air and in a vacuum of TC 6, which has the smallest thermal loss, were about 4.03mV/mW and about 6.38 mV/mW. Thermal time constant of TC 6, which has also the smallest heater thermal inertia, was about 8 ms. The respective variations of AC-DC voltage and current transfer errors from sample to sample, which were measured by FRDC(fast reversed DC) method, were about $\pm$0.41 ~$\pm$0.85 ppm and about $\pm$0.15~$\pm$1.16 ppm in the frequent range of 40 Hz~10 KHz with appling 1 V and 5 mA rms sine waves to the converters. All converters investigated exhibited sufficiently low AC-DC transfer errors to be used as practical standards.

회전형 종동절을 갖는 드럼 캠의 5-축 CNC 가공 - I (황삭가공을 위한 포스트 프로세싱)

조현덕,윤문철,김경진,Cho, Hyun-Deog,Yoon, Moon-Chul,Kim, Kyung-Jin 한국생산제조학회 2010 한국생산제조학회지 Vol.25 No.5

The drum cam with rotational follower is used to apply the ATC and index table of machine tools and it has the merit of minimizing the backlash. In general, to machine the drum cam with rotational follower, 5-axis CNC machine must be used and its kinematic principle must be included in modeling on CAM. So, the commercialized CAM software can't be applied to this machining of drum cam. Though some special software for machining drum cam was developed, it could be applied to special 5-axis CNC machine tools and the finish machining module was not applied. To solve this problem, this study includes the induction of the post processing algorithm for the rough machining of drum cam on several 5-axis CNC machine tools, type AC, AB and Be. The finish machining software will be treated in next study. A sample drum cam was machined on 5-axis CNC machine tool of AC type. The designed geometric profile of drum cam consist to the measured profile after machining well. This post processing algorithm for rough machining of the drum cam was clearly verified.

“금융지주회사 법제의 현황과 과제” 주제 발표와 관련하여

조현덕,김동현,김홍달,이민호 은행법학회 2012 은행법연구 Vol.5 No.1

'스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

은행법학회의 금번 정기학술대회가 금융지주회사를 주제로 개최되어 금융지주 회사 감독업무 담당자로서 무척 기쁘게 생각합니다. 오늘 이 자리에서 논의된 내용 들이 향후 국내 금융지주회사제도 발전에 많은 기여를 할 것으로 기대합니다. 그럼 발표된 내용 가운데 성균관대학교 고동원 교수님께서 발표해 주신 ｢금융지주회사의 경영지배구조에 관한 법적 고찰｣과 한국스탠다드차타드금융지주의 심희정 변호사께 서 발표해 주신 ｢한국의 금융지주회사 제도의 현황과 과제｣와 관련하여, 국내 은행 지주회사의 사외이사 관련 현황과 몇 가지 제도적인 사항들에 대한 생각들을 말씀드 리겠습니다.

대구기지 대설 사례 분석

조현덕,황록웅,김바울,서남섭 한국기상학회 2019 한국기상학회 학술대회 논문집 Vol.2019 No.05

4WD 및 4WS이 가능한 로더 개발(I) (4륜 구동 변속기)

조현덕 한국생산제조학회 1998 한국공작기계학회지 Vol.7 No.6

A loader is construction & road or agricultural machinery for lifting, moving, and mixing. This study deals with the agricultural mini loader for stock raising farming. The performance of the machine is established by pulling power, working lifting capacity, and minimum circling radius, etc. Also, driving easiness and endurance are very important in manufacturing. Thus, this study has developed the loader with the 4-wheel driving equipment by gear transmission, the 4-wheel steering equipment by power handle steering type, and the equipment making four wheels touch simultaneously on the rugged ground. The developed loader having these functions was very fit in a small cattle shed or a rugged ground. This study is divided into two parts; (I) development of 4WS transmission and (II) construction of the loader by 4WS system and other equipments.

보행자 보호를 위한 차량평가시스템 개발

조현덕,용부중,이재완 한국기계가공학회 2006 한국기계가공학회지 Vol.5 No.4

IHRA Pedestrian Working Group has investigated and analyzed the current status of pedestrian-vehicle accidents in IHRA member countries. According to the results, European countries and Japan are working on new regulations to improve passive pedestrian protection on passenger cars significantly. Although IHRA proposed pedestrian test procedures, which may provide a basis of technical regulations in the future, further research and development are necessary to refine the procedures. In order to prepare and satisfy the pedestrian protection requirements, domestic passenger vehicles also should be tested. Among various safety-related studies based on accident data analysis, dealing with pedestrian head injury would be considered one of the keen interests. In this study, the pedestrian headform impact test system is developed. The developed system will be useful to carry out validation study of the test procedures through actual tests using sample vehicles, and to explore the car feasibility level prior to the use of the test methods in legislation.

4WD 및 4WS이 가능한 로더 개발 (II) (4륜 조향장치 및 로더 구성)

조현덕 한국생산제조학회 1999 한국공작기계학회지 Vol.8 No.1

In this study, the loader was completed that has 4-wheel gear driven drivetrain of study (Ⅰ), the 4-wheel steering with power wheel type, all-wheel traction system, and joy-stick type lever for hydraulic control valve. From driving test of the developed 4WD and 4WS type loader, we obtained that the minimum circling radius and the necessary width in circling motion reduced about 40% and 33% compared with 2WS type loader. Also, all-wheel traction system could keep the tires glued to the ground with greater stability, the power steering allowed a smoother operation, and the joy-stick type lever offered easily to control. Thus, the developed loader having these functions was very fit in a small cattle shed or rugged ground.

경계층 이론에 의한 스포일러 선루프의 윈드 디플렉터 설계

조현덕 한국기계가공학회 2006 한국기계가공학회지 Vol.5 No.3

Sunroof is getting widely used in automobiles since it maintains, compare to window, better air circulation as well as less noise while driving in high speed. In this study, we consider an electronic control type spoiler sunroof which slides backward after tilting a rear part of a glass. Installing a wind deflector on the sunroof reduces noise much more effectively. The height of the wind deflector is designed using a boundary theory related to incompressible air layer. The developed wind deflector is investigated experimentally by measuring a wind noise. When the height of the wind deflector is designed by a fixed type, the sunroof maintains a very quiet interior noise over a certain driving speed, nevertheless it produces relatively loud noise in low driving speed.

특집 _ 회사분할의 실무상 쟁점 : 회사의 분할비율 관련 쟁점과 실무

조현덕 서울대학교 금융법센터 2011 BFL Vol.49 No.-