http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
서상호,노형운,조민태,양수봉,Suh Sang-Ho,Roh Hyung-Woon,Cho Min-Tae,Yang Soo-Bong 한국공학교육학회 2000 공학교육연구 Vol.3 No.1
미래 지향적 공학교육은 기본이론을 철저하게 습득시키고 다양한 실험교육을 통해 창의성을 함양하며, 실제 사회와 연계된 실용성에 중점을 두어야 한다. 본 논문에서는 교육 패러다임의 변화에 발맞추어 LOD 시스템의 개발방향을 제시하고 공학실험과목의 콘텐츠를 제작하는 방법을 소개하였다. Internet 기반의 LOD시스템을 구축할 때 코스웨어 개발에 필요한 고려사항과 설계방안을 검토하여 이를 공학실험과목의 콘텐츠 제작시 적용하였다. 본 연구의 결과는 실험교과내용을 충실하게 설명하고, 공학실험에 필요한 학습보조자료와 멀티미디어 자료를 제공하여, 학생들의 학습증진에 기여할 뿐만 아니라 대학의 미래상을 예측하고 이를 구현함으로서 대학의 나가야 할 방향을 제시할 수 있을 것이다. Future education for engineering should focus on the teaching of fundamentals, creativity cultivated through various experimental educational programs, and industry-related practices. This study presents the development of the LOD system and a contents production of the experimental courses in engineering in accordance with paradigm change. In this study, considerations and design plan for developing LOD system are discussed and they are applied to the contents production of the experimental course in engineering. The results of this study help to teach the experimental courses completely, providing the course supplements and the multimedia data required in the experimental courses, and to promote and conduct the student's projects. This study can also anticipate an image of the future university and present the direction where the university should follow in the future.
서상호,유상신,민병구,장준근,Suh, Sang-Ho,Yoo, Sang-Sin,Min, Byung-Gu,Chang, Jun-Keun 대한기계학회 1998 大韓機械學會論文集B Vol.22 No.11
The objective of this study is to investigate the effects of the hemodynamics on the morphological changes of the human endothelial cells due to the blood flow by in vitro experiment and computer simulation. The morphological changes of the endothelial cells due to the t10w shear stress were observed in the laminar t10w chamber as a function of the exposure time. The observed shapes of the endothelial cells are used to the model shapes of the endothelial cells for numerical study and the pressure and the wall shear stress variations around the endothelial cells are calculated from the numerical results. The endothelial cells elongate along the t10w direction and lessen their heights in the flow field to reduce the pressure and the wall shear stress on the surface.
수치시뮬레이션을 이용한 흡입식 슬러지 수집기의 유동해석
서상호,노형운,변종훈,Suh, Sang-Ho,Roh, Hyung-Woon,Byun, Jong-Youn 한국유체기계학회 2006 한국유체기계학회 논문집 Vol.9 No.5
Sedimentation phenomenon of suspended solids occurs by the gravitational force. Pollution particles are separated from slowly flowing waste water in clarifier. Recently, the sludge suction collector is Preferred rather than the scraper type sludge collector due to the enhancement of the clarifier efficiency. The sludge suction collector is usually operated by the user's experiences without any scientific and/or technical consideration. To evaluate the performance of sludge suction collector, the three dimensional numerical simulation was conducted by the finite volume method. To analyze the performance, the velocity vectors and the suction flow rates of the orifices were investigated. The result showed that each suction flow rate through out the collector was equivalent in the sludge suction collector and the efficiency of suction collector was good to remove high concentrated sludge in clarifier.
서상호,유상신,노형운,Suh, Sang-Ho,Yoo, Sang-Sin,Roh, Hyung-Woon 대한의용생체공학회 1997 의공학회지 Vol.18 No.2
The three-dimensional flow analysis using the finite volume method is presented to compare the steady flow characteristics of blood with those of blood substitutes such as water and aqueous polymer solution in an idealized double branching model. The model is used to simlllate the region of the abdominal aorta near the celiac and superior mesenteric branches. Apparent viscosities of blood and the aqueous Separan solution are represented as a function of shear rate by the Carreau model, Water and aqueoiu Separan AP-273 500wppm solution are frequently used as blood substitutes in vitro experiments. Water is a typical Newtonian fluid and blood and Separan solution are non-Newtonian fluids. Flow phenomena such as velocity distribution, pressure variation and wall shear stress distribution of water, blood and polymer solution are quite different due to differences of the rheological characteristics of fluids. Flow phenomena of polymer solution are qualitatively similar to those of blood but the phenomena of water are quite different from those of blood and polymer solution. It is recommended that a lion-Newtonian fluid which exhibits very similar rheological behavior to blood be used in vitro experiments. A non-Newtonian fluid whose rheological characteristics are very similar to those of blood should be used to obtain the meaninylll hemodynamic data for blood flow in vitro experiment and by numerical analysis
접선류 임펠러형 수도미터의 노즐직경이 성능특성에 미치는 영향
서상호,이병호,조민태,노형운,Suh, Sang-Ho,Lee, Byung-Ho,Cho, Min-Tae,Roh, Hyung-Woon 한국유체기계학회 1999 한국유체기계학회 논문집 Vol.2 No.3
In this study the effects of nozzle diameter on the performance characteristics for the tangential impeller-type water meter are studied experimentally. The nozzle is cut along the tangential direction of the inner case in the water meter. The nozzle shape is round and the number of nozzles used for the experimental study are 8. The performance characteristics are discussed for various nozzle diameters such as 3.1, 3.3, 3.5, 4.0, 4.5 and 5.0 mm. Among the tangential impeller-type water meters, the water meter with the nozzle diameter of 5.0 mm shows the least pressure loss and the instrumental error compared to the Korean Standards.