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성토지지말뚝공법 중 섬유보강재의 인장력 검토에 관한 연구
문인호(Moon In-ho),박종관(Park Jong-Gwan),이일화(Lee Il-Wha) 한국철도학회 2008 한국철도학회 학술발표대회논문집 Vol.- No.-
Road or Railway construction over soft ground is needed to be considered on secondary consolidation which will be caused differential settlement, lack of transport serviceability, higher maintenance cost. Especially for the railway construction in the second phase of Gyung-Bu or Ho-Nam high speed railway, concrete slab track has been adapted as a safe and cost effective geotechnical solution. In this case controlling the total settlement under the tolerance is essential. And pile supported geogrid reinforced construction method is suggested as a solution for the problem of the traditional method on soft soil treatments. Pile supported geogrid reinforced construction method consists of piles that are designed to transfer the load of the embankment through the compressible soil layer to a firm foundation. The load from the embankment must be effectively transferred to the piles to prevent punching of the piles through the embankment fill creating differential settlement at the surface of the embankment. The arrangement of the piles can create soil arching to carry the load of embankment to the piles. In order to minimize the number of piles geogrid reinforced pile supported construction method is being used on a regular basis. This method consists of one or more layers of geogrid reinforcement placed between the top of the piles and the bottom of the embankment. This paper presents several methods of pile supported geogrid reinforced construction and calculation results from the several methods and comparison of them.
림와(林蛙)(Rana temporaria chinensis David) 피부세포(皮膚細胞)의 미세구조(微細構造)
로용태 ( Yong Tai Noh ),문인호 ( In Ho Moon ),박인봉 ( Ren Feng Piao ),엄창국 ( Chang Guo Yan ),김용훈 ( Long Xun Jin ) 건국대학교 기초과학연구소 1992 理學論集 Vol.17 No.-
中國 長白山에서 採集된 林蛙(Rana temporaria chinensis David)의 背部와 腹部 皮膚 組織을 pH 7.2에서 0.1M phosphate buffer로 緩衝시킨 2.5% glutaraldehyde와 2% osmium tetroxide에 前·後 固定하여, 各級 ethyl alcohol과 acetone으로 脫水, Epon 812 mixture에 包埋하여 LKB ultram-icrotome으로 超灌切片을 만들어 uranyl acetate와 lead citrate로 梁色하여 JEM100 CX-II 電子願微鏡으로 觀察하여 다음과 같은 結果를 얻었다. 1. 林蛙의 皮膚는 多層으로 種子層, 練細胞層, 顆粒層 및 角質層으로 構成되였는데 角質層은 완전히 角質化한 細胞와 semi-cornified cell도 있다. 2. 種子層 細胞는 背部와 腹部 공히 細胞質 대부분을 차지하는 rough endoplasmic reticulum이 他層과 區分되며, mitochondria, Golgi complex, 電子密度를 달리하는 顆粒 等이 發達하였으며 密集된 microvilli가 發達하였다. 3. 練細胞層은 眼部와 背部가 공히 多角形의 細胞로 이루어졌으며 他層에 비하여 desmosome이 發達하였고 細胞質 周邊部에는 tonofibril이 있다. 背部細胞는 願部 練細胞보다 많은 顆粒을 나타낸다. 4. 顆粒層은 內外 二層으로 構成되였고, 대부분의 細脫質들은 電子密度가 비슷하나, 內層에서 間歇的으로 電子密度가 낮은 細胞가 많이 있다. 5. 角質層은 角質細胞 사이에 微細管이 zig zag로 顆粒層까지 連結하였고 角質層에는 semi-cornified cell이 있다. 角質細胞質에는 microfilament, 細胞顆粒으로 차 있으며 멜라닌顆粒이 觀察된다. The authors observed the ultrastructure of the dorsal and ventral skin of the frog (Rana temporaria chinensis David) during the active phases. The specimens from the skin were fixed in 2.5% glutaraldehyde-paraformadehyde fixative in 0.1M phosphate buffer at pH7.2 prior to fixation in 2% osmium tetroxide, dehydrated in graded ethyl alcohol and acetone, embedded in Epon 812 mixture, and sectioned with LKB-Ultramicrotome. The ultrathin section were contrasted with uranyl acetate and lead citrate and observed with a JEOL-100cx-II electron microscope. The results were as follows. 1. Frog epidermis consisted stratified epithelium and was divided into four strata; stratum germinativum, stratum spinosum, stratum granulosum and stratum corneum. 2. Stratum germinativum: In the dorsal and ventral, the cells were columnar in form, rough endoplasmic reticula were specially developed in the whole cytoplasm and mitochondria, Golgi complex and granules were well developed in the cytoplasm. Many microvilli were aggregated densely in the intercellular space. 3. Stratum spinosum: In the dorsal and ventral, the cells were polygonal in form, and desmosome and tonofibrils were well developed in the pericytoplasm. In the dorsal cells were many granules more than the ventral cells. 4. Stratum granulosum: In the dorsal and ventral, it consisted of the inner and outer layers with granules of the same electron density, but intermittently in the inner layer with lower electron density. 5. Stratum corneum: In the dorsal and ventral, it was separated from the underling outer stratum granulosum by the subcorneal space and in the layers with zigzag channel to the underling outer stratum granulosum. Semi-cornified and conified cell were squamous in form.
공기 부상바식 이송시스템의 추진 노즐 배치방법에 따른 웨이퍼 이송 속도 평가
문인호(In-Ho MOON),김동권(Dong-Kwon KIM),조상준(Sang-Joon CHO),황영규(Young-Kyu HWANG) 대한기계학회 2005 대한기계학회 춘추학술대회 Vol.2005 No.5
In this study, the wafer transportation speed was evaluated by numerical and experimental method for three injection nozzle array(face, front, rear) in an air levitation system. Test facility for 300 ㎜ wafer was equipped with two control tracks and a transfer track of 1.5 m length. The diameter and air velocity of injection nozzle are 0.8 ㎜, 50~100㎧ respectively. When the numerical results compared with experimental results of maximum wafer transportation speed, the numerical results are higher by 16%. The numerical result of mean wafer transportation speed is higher than experimental result about 20% in front array and 18% in face array.
PV Module 공정용 Lamination system에 관한 연구
황계호(Gye-Ho Hwang),김원곤(Won-Gon Kim),윤영민(Young-Min Yun),백철준(Cheol-Jun Paik),윤종보(Jong-Bo Yun),문인호(In-Ho Moon),신철수(Cheol-Su Shin),김병수(Byong-Su Kim),이봉섭(Bong-Seob Lee) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
In recent years research on solar cells and modules made active, while solar cells and modules to produce solar power equipment for the research is lacking. Thus In the paper, the key chapter for the production of photovoltaic modules, technical review of lamination system is designed, manufactured and were localized. using lamination system, Photo voltaic module((10×6: 60cell) 3 sheets can be produced simultaneously with multiple defects were studied
김영호(Young-Ho Kim),김남욱(Nam-Uk Kim),박덕준(Duck-Jun Park),문인호(In-Ho Moon),이승배(Seungbae Lee) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.10
Turbofan is usually used to provide the system with a given flow-rate at a low-rotational speed for the situation of relatively high system resistance. In this study, slim, highly efficient turbo fans are designed to satisfy the given performance at a specific speed by using the hybrid-stacking method of an inducer and a 2D-bladed turbo fan. The meanline anlaysis and CFD technique are also applied to design the passage areas on a meridional plane from the inlet to the exit of the blades. Furthermore, the torque control algorithm is adopted to provide the performances within the constraints by the rpm-torque characteristics, and the performances of mocked-up fans are measured in the ISO-chambered fan tester.