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정영래,남호현,Jung, Young-Lai,Nam, Ho-Hyun 한국건축역사학회 2014 건축역사연구 Vol.23 No.4
Recently, conservation and utilization of cultural heritage has been regarded as importance. So, various research papers about maintenance of the remains have been presented in many conferences. But most of researches have focused on introduction about maintenance methods and explanation about maintenance concepts of remains. And even in case of a few papers treated post-evaluation about maintenance of the remains the criteria of the evaluation has tended to somewhat subjective. So, the purpose of this study is to show the objective post-evaluation indexes which was developed by Delphi AHP methods. This research was proceeded in two stages. First, we arranged the evaluation index in a hierarchy to be made through the analyses about references and researches about maintenance of remains. 304 evaluation articles were elicited through the process. And then, elicited evaluation articles were classified with 'conservation' and 'utilization'. Second step was to figure out importance and validity of hierarchical evaluation articles with twice questionnaire surveys. This research used interval scale to comprehend validity and AHP method to evaluate relative importance of each other articles.
조직배양에 의한 무지개송어 장기조직세포의 염색체 기본구조에 관한 연구
정영래,정영길,손진기,김무강,Jung, Yung-rae,Jeong, Young-gil,Son, Jin-ki,Kim, Moo-kang 대한수의학회 1995 大韓獸醫學會誌 Vol.35 No.2
This study was examined chromosome structure of kidney, fin, blood cell, sexual organ that were differently examined chromosome of a good cell activity from organ, medium, staining methods, instruments with rainbow trout 100. And so we obtained following conclusion. 1. The difference from each organ and medium is that a good cell activity of fin, kidney, sexual organ were obtained in TC-199 medium and a good cell activity in TC-199 medium+PHA(5%). 2. In the difference by staining methods, G-banding and C-banding were analyzed by electron microscope or cytoscan. Among them, heterochromatin of centromere analyzed by C-banding. 3. The zygotene and the leptotene were analyzed in this study. 4. Karyotype, heterochromatin and each stage of cell division were clearly analyzed by cytoscan.
유동장 수치해석이 포함된 퍼프모델을 이용한 오염물질의 확산 해석
정영래(Y. R. Jung),박원규(W. G. Park),박옥현(O. H. Park) 한국전산유체공학회 1999 한국전산유체공학회지 Vol.4 No.3
The computations of the flowfield and pollutant dispersion over a flat plate and the Russian hills of various slopes are described. The Gaussian plume and the puff model have been used to calculate concentration of pollutant. The Reynolds-averaged unsteady incompressible Navier-Stokes equation with low Raynolds k-ε model has been used to calculate the flowfield. The flow data of a flat plate and the Russian hills from Navier-Stokes equation solutions has been used as the input data for the puff model. The computational results of flowfield agree well with experimental results of both a flat plate and Russian hills. The concentration prediction by the Gaussian plume. model and the Gaussian puff model also agrees fairly well with experiments.
정영래(Y. R. Jung),박원규(W. G. Park),박영준(Y. J. Park),김종섭(J. S. Kim),홍성훈(S. H. Hong) 한국전산유체공학회 1997 한국전산유체공학회지 Vol.2 No.1
The flow field around a three dimensional minivan-like body has been simulated. This study solves 3-D unsteady incompressible Navier-Stokes equations on a non-orthogonal curvilinear coordinate system using second-order accurate schemes for the time derivatives, and third/second-order scheme for the spatial derivatives. The Marker-and-Cell concept is applied to efficiently solve continuity equation. A H-H type of multi-block grid system is generated around a three dimensional miuivan-like body, Turbulent flows have been modeled by the Baldwin-Lomax turbulent model. To validate present procedure, the flows around the Ahmed body with 12.5' of slant angle are simulated. A good agreement with other numerical results is achived. After code validation, the flows around a mimivan-like body are simulated. The simulation shows three dimensional vortex-pair just behind body. The flow separation is also observed on the rear of the body. It has concluded that the results of present study properly agreed with physical flow phenomena.
측풍영향을 고려한 고속전철 주위의 비압축성 점성 유동 해석
정영래(Y.R. Jung),박원규(W.G. Park),김홍원(H.W. Kim),하성도(S.D. Ha) 한국전산유체공학회 1995 한국전산유체공학회 학술대회논문집 Vol.1995 No.-
The flow field around a high-speed train including cross-wind effects has been simulated. This study solves 3-D unsteady incompressible Navier-Stokes equations in the inertial frame using the iterative time marching scheme. The governing equations are <br/> differenced with 1st-order accurate backward difference scheme for the time derivatives. 3th-order accurate QUICk scheme for the convective terms and 2nd-order accurate central difference scheme for the viscous terms. The Marker-and-Cell concept was applied to efficiently solve continuity equation. which is differenced with 2nd-order accurate central difference scheme. The 4th-order artificial damping is added to the continuity equation for numerical stability. A C-H type of elliptic grid system is generated around a high-speed train including ground. The Baldwin-Lomax turbulent model was implemented to simulate the turbulent flows. To validate the present procedure, the flow around a high speed train at constant yaw angle of 45°and 90°has been simulated. The simulation shows 3-D vortex generation in the lee corner. The flow separation is also observed around the rear of the train. It has concluded that the results of present study properly agree with physical flow phenomena.
정영래(Y. R. Jung),박원규(W. G. Park),박영준(Y. J. Park),김종섭(J. S. Kim),홍성훈(S. H. Hong) 한국전산유체공학회 1997 한국전산유체공학회지 Vol.2 No.1
The flow field around a three dimensional minivan-like body has been simulated. This study solves 3-D unsteady incompressible Navier-Stokes equations on a non-orthogonal curvilinear coordinate system using second-order accurate schemes for the time derivatives, and third/second-order scheme for the spatial derivatives. The Marker-and-Cell concept is applied to efficiently solve continuity equation. A H-H type of multi-block grid system is generated around a three dimensional miuivan-like body, Turbulent flows have been modeled by the Baldwin-Lomax turbulent model. To validate present procedure, the flows around the Ahmed body with 12.5' of slant angle are simulated. A good agreement with other numerical results is achived. After code validation, the flows around a mimivan-like body are simulated. The simulation shows three dimensional vortex-pair just behind body. The flow separation is also observed on the rear of the body. It has concluded that the results of present study properly agreed with physical flow phenomena.