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조병진,안기원,Cho Byung-jin,Ahn Kee-won 한국관개배수위원회 2000 한국관개배수논문집 Vol.7 No.2
The tidal land reclamation schemes and projects located along the western coast of North Korea were investigated by the remote sensing using sattelite image data such as Landsat TM and Jers-1 data. North Korea reported their ambitious territory expansion
Application of RS/GIS Integration for the Landuse Planning in the newly Reclaimed Tideland
조병진,유경학,조정청사,Cho Byung-jin,Yoo Kyung-hak,K Torii Korean National Committee on Irrigation and Draina 1997 한국관개배수논문집 Vol.4 No.1
지상관측위성에 탑재된 센서로부터 얻어진 자료는 지리정보데이터로 그 이용이 증가되고 있다. 이 연구에서는 신규간척지에서의 토지이용계획을 수립하기 위하여 위성자료를 이용한 원격탐사와 지리정보 체계를 종합하는 방법의 적용가능성을 다루고 있다. 현재 공사중인 간척사업지구를 커버하는 LANDSAT TM, MOS, SPOT 디지털데이터를 영상화하고, 영산강 3단계 사업지구 유역의 토지이용 현황을 분석하였으며, 신규간척지의 토지이용계획을 위하여 동원가능한 데이터를
조병진 ( Cho Byung Jin ),이지근 ( Lee Ji Geun ),안기원 ( Ahn Kee Won ) 한국농공학회 1999 한국농공학회 학술대회초록집 Vol.1999 No.-
The purpose of this study is to investigate on tideland reclamation projects as a part of situation on farm land improvement measures in north korea. By using satellite image data beyond the national boundaries, it makes possible to analyze tideland reclamation projects, and owing to the developed software and procedure we can analyze data regardless of difference in data acquisition date. Satellite image data LANDSA T TM and JERS-l data are mainly used, and analysing software ER Mapper, ERDAS, IDRISI are used. Reclamation survey result made by the ministry of unification in 1994 were examined by means of remote sensing using satellite image data. The results are ; Completed and/or partly completed project are 24,596ha and planned are about 142,223ha, 166,819ha in total. However, they already reported about 300 thousand ha would be reclaimed from the sea in early 1980.
인공위성 화상데이터를 이용한 북한 서해안지역의 미완공 간척지 조사
조병진 ( Cho Byung Jin ),안기원 ( Ahn Kee Won ) 한국농공학회 2001 韓國農工學會誌 : 전원과 자원 Vol.43 No.1
North Korea reported that tideland reclamation projects had been successfully constructed and/or under construction during the period of the third development scheme(1987∼1993), which were 28,400ha in 9 project areas: 8 projects along the western coast and one in the eastern coast. In this study eight projects located in western coast were investigated in order to confirm the detail of works, construction stages and difference from our project formulation methods using the topographic maps published in different years and the recent sattelite image data especially Lansat TM and SPOT PN. Intensity-hue-saturation (IHS) method was adopted to merge two sattelite data for the image enhancement of remote sensing. Construction stages of sea-dikes, land consolidation for paddy and salt pan, reservoir for irrigation and desalinization and the present land use were investigated and estimated the acreage of the development areas. The total gross project areas of 38,105 ha: 16,555 ha completed for paddy or salt pan, 16,826 ha under construction, and 4,724 ha under planning were confirmed, although the area of 27,100 ha in 8 projects were reported to be completed or ongoing on the bimonthly journal of N. Korean Trend published in 1994.
온도변화에 따른 탄소부직포 삽입 복합적층판의 층간 파괴인성
조병진(Byung Jin Cho),이승환(Seung Hwan Lee),정성균(Seong Kyun Cheong) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.5
Interlaminar fracture toughness of composite laminates with carbon non-woven tissue was evaluated under various temperatures in this study. Specimens were made by inserting carbon non-woven tissue between carbon prepreg layers and cured under the curing cycle. Four types of specimens were prepared for evaluating Mode Ⅰ and Mode Ⅱ interlaminar fracture toughness. Double-cantilever-beam (DCB) and end-notched-flexure (ENF) tests were performed in the high temperature chamber. Experimental results show that the mode Ⅰ interlaminar fracture toughness of composite laminates with carbon non-woven tissue increases about twice by changing room temperature to 80℃. But the mode Ⅱ interlaminar fracture toughness of composite laminates with carbon non-woven tissue shows small change changing room temperature to 80℃.
연극교육과 교육연극 초,중등학교에서의 연극지도 - 정규 교과과목으로서의 연극, 그 교과 운영을 위한 기본 전략(1) -
조병진 ( Byung Jin Cho ) 한국연극학회 2002 한국연극학 Vol.0 No.19
Since early 1900`s, the ideas of making use of theatre/ drama as a teaching medium has been spreaded, and tried out in school and for some special social education. The result is to confirm its positive and efficient function as educational medium. Social function of theatre/drama, as a most valuable function, creates the situation of total involvement/confrontation which makes the mobilization of human potentiality and creativity maximal. Also theatre/drama, for education, provides human nature and funny atmosphere through actual experience, and expresses original human nature of which education should begin from considering The theatre for education in nature differentiates from professional theatre. To compare with professional theatre which aims at artistic outcome, the theatre, named educational theatre, places its final goal at education. Then it plays a part as teaching/learning medium. The essential quality of educational theatre should come from educational level, maximizing human growth, but not from professional artistic level, focusing on the audience. It is argued that theatre should be perceived as an essential part of the school curriculum. Then the function of theatre in school is debated in tow major ways, emphasizing theatre`s `contextualist` function, focusing that theatre should be valued for its contribution to education, and suggesting that, while this function is important, at least as a survival strategy, it must not be allowed to subvert the prime `essentialist` function of theatre. The act of theatre/drama is valued as a unique mode of learning to know about human behavior and its consequence. The curriculum planning model can be classified into two categories, central planning and openness. The formal is the widely used and accepted model which is characterized by an essential reliance on `cold,` objective analysis of objective needs and strategies. Also presents the characteristics divorcing from the reality of the learning process which regarded as essentially exploratory, responsive and social. The planning of teaching should be based not so much on an often diversive discussion of `aims,` but on the use of the more pragmatic device of viewing classroom action in terms of specific teacher intention in relation to observed practice. This kind of planning so called openness, would contains whin it a consideration of both instructional and expressive objectives. It is concerned with helping theatre teachers in school increase their effectives in teaching. In any consideration of teaching we must not only discuss `the what` but also `the how` of teaching. Teachers who whish to improve their practice consider the practical problems in an education system which encourages the teaching style of `learning by students` but positively discourages `learning by teacher,` and a number of `discovery-based` teaching models. Typically drama work dose occur in situation which have to be restructured continuously. Each lesson encounter is an exploration of ideas. The extent of the exploration will, however, be determined by the degree of negotiation of task between teacher and student, whether it be planning or its process.
장대화물열차의 분산제어 제동 시 연결기에 발생하는 충격력 해석 및 분석
조병진(Byung Jin Cho),이정준(Jeong Jun Lee),심재석(Jae Seok Shim),구정서(Jeong Seo Koo),문형석(Hyung Seok Mun) 한국기계가공학회 2019 한국기계가공학회지 Vol.18 No.2
In long freight trains, there is a brake time delay in neighboring freight cars, which causes damage and fractures in the couplers, especially at their knuckle. A problem in the couplers of the cars can cause derailment and damages of human life and property. In this study, maximum forces on the couplers are studied when a long freight car brakes with the brake delay time and coupler gap. We make a dynamic model of 50 freight cars and couplers, applying contact between the couplers and a characteristic curve to express the force and displacement of the buffers using SIMPACK, which is a multi-body dynamics program. We use EN 14531-2, which is a standard of freight car brakes, to verify the dynamic model. Then, we compare the analyzed impact force with the coupler knuckle standard after applying the two carriages of a locomotive in the model based on the dispersed double head control system. The result shows that all coupler gap conditions satisfy the infinite lifetime of the material when the brake delay time is 0.1 second.
유압 브레이커 메인바디의 충격 및 소음 저감을 위한 완충 장치에 대한 연구
조병진(Byung Jin Cho),한훈희(Hoon Hee Han),구정서(Jeong Seo Koo) 한국기계가공학회 2018 한국기계가공학회지 Vol.17 No.4
A hydraulic breaker is an attachment of an excavator, and it crushes stones. Recently, research to reduce the impact and noise of breakers are ongoing. In this paper, a method to improve the upper, lower, and side dampers, which act as insulation for the attenuation of vibration during breaker operation, is studied through testing and simulation. To obtain the nonlinear material constants required for the simulation, the biaxial tensile test was performed with urethane, which is a material used for dampers. The existing parts and the improved parts were compared and evaluated using the LS-DYNA program. As a result, 50% of the equivalent stress was reduced in the bracket body of the hydraulic breaker, and the equivalent stress of the side damper was also decreased. We verified that the fatigue conditions were satisfied by performing a fatigue analysis.