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조영상,최호석 한국화학공학회 1990 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.28 No.3
분리탑에 대한 정상상태에서의 차수감소모델(reduced order model)을 개발하였다. 차수감소모델의 정확도를 확인하기 위해서 차수감소모델의 결과를 정밀모사결과(rigorous tray-by-tray model)와 비교해 보았으며, 그 결과 차수감소모델의 정확도를 확인할 수 있었고, 또한 상당한 계산시간의 감소를 확인할 수 있었다. Reduced order steady state models for separation columns are developed. The accuracy and efficiency of the reduced order models are also demonstrated by comparing the simulation results obtained by using the reduced order models with rigorous tray by tray calculations.
The use of CANVAS LMS in remote academic EFL writing classes: Its benefits and limitations
조영상,Andrew Richards,Stuart Jones 한국교양교육학회 2023 교양교육연구 Vol.17 No.4
The purpose of this study is to explore how English instructors at a Korean university utilized the CANVAS learning management system (LMS) when teaching EFL academic writing classes online, and their perceptions of its effectiveness and limitations. Seventeen instructors working at a university located on the outskirts of Seoul participated. Data were collected through a survey questionnaire consisting of a combination of multiple choice, a 5-point Likert scale, and open ended questions, all of which were used as the primary data collection method. Data analysis was conducted using general qualitative analysis for the open ended questions and descriptive statistics for the multiple choice and 5-point Likert scale questions. The findings of the study indicate such tools and functions as Lecture Contents, Inbox, Announcements, Assignments, Learn Status, Assignment Comment, and Speed Grader were used frequently on CANVAS, which was also related to the instructors’ high levels of satisfaction with this LMS in the areas of sharing course content, managing a classroom (e.g., monitoring students’ learning activities and communicating with students), and administering assignments and exams. On the other hand, the instructors reported that they used such tools and functions as Collaborations and Discussion less on Canvas, which matched their relatively low satisfaction with CANVAS in writing related areas such as grading, giving feedback, sharing peer feedback, and doing collaborative writing activities. Administrational and educational implications of these findings are discussed.
장애이해교육을 바탕으로 노벨엔지니어링을 활용한 문제해결력 신장교육
조영상,홍기천 한국정보교육학회 2018 정보교육학회 학술논문집 Vol.9 No.1
본 연구에서는 “그레구아르는 눈으로 말해요”라는 책을 노벨엔지니어링 모형에 맞게 수업을 설계하고 적용하 였다. 수업을 적용해보니 단원 및 수업시수, 차시 적용, 프로젝트 구성 등에서 상이한 요소가 드러났다. 특히 적 용 난이도와 기대수준에서 그 차이가 극명하게 보였다. 따라서 이를 현장에 맞추어 개선하여 적용할 필요가 있 었다. 이러한 부분들을 보완하여 프로젝트 수업을 진행하였고 독서교육과의 융합수업에 더하여 인성 교육적 요 소까지 아우르는 시도를 위해 장애 이해 교육 도서를 선정하여 수업을 진행하였다. 그 결과 학생들과 유의미한 활동과 경험을 할 수 있었다. 향후에는 2015개정교육과정 국어과 한 학기 한 권 읽기에 활용하기 위한 Novel Engineering 학생용 교재를 제작하려고 한다. 그리고 문제해결력에 대한 사전, 사후 검사를 진행하여 노벨 엔지 니어링을 적용한 인문, 공학, 인성교육이 융합된 수업이 어떠한 효과가 있는지를 진행할 예정이다. In this study, We applied Novel Engineering class with a book “그레구아르는 눈으로 말해요”. We can figure out some different factors like the number of units and classes, application time, construction of projects. Specially we can find remarkable difference between complexity and expectation. It was therefore necessary to adapt and apply these to the site. Project lessons were conducted to supplement these parts and to try to reach human nature education as well as convergence of reading education courses, disability understanding education books were selected and taught. As a result, I was able to engage in meaningful activities and experience with students. As a result of further research, the 2015 revision curriculum is designed to be used for reading Korean language in one semester.
아두이노 기반 암모니아 센서를 이용한 탈취제의 악취 제거효율 실시간 모니터링에 대한 연구
조영상,정예슬,박수나,박병기 순천향대학교 부설 산업기술연구소 2020 순천향 산업기술연구소논문집 Vol.26 No.2
The purpose of this study is to establish a system that can monitor odor concentration in real-time targeting ammonia, the main odor-causing substance in daily life, and to visually check the odor removal performance of natural zeolites. In this study, the concentration of ammonia was measured in real-time using an Arduino type ammonia sensor. To evaluate the odor removal performance of the zeolite, the amount of zeolite was set to 10g, 20g, 30g, and 60g, respectively, for 12 hours at 30-second intervals. We found that zeolite had the odor removal efficiency enhance greatly. But the difference in efficiency according to the amount was small, the amount of zeolite added needed to be optimized.
표면파 기법을 이용한 모르타르 슬라브 압축강도의 수치해석적 연구
조영상 漢陽大學校 工學技術硏究所 2001 工學技術論文集 Vol.10 No.-
현장지진기법중 하나인 표면파 기법은 반무한체 조건에서 충으로 구성된 매개체의 강성을 결정하는데 사용하기 위하여 개발되었다. 본 논문은 유한두께의 시멘트 모르타르의 슬라브를 비파괴시험으로 압축강도와 표면파 속도와의 상관관계를 수치해석을 이용하여 연구하였다. 이 상관관계에 대한 연구는 조기재령 모르타르 구조의 품질관리 및 반무한체 조건을 만족시키지 못하는 구조부재의 안전성 평가에 사용될 수 있을 것으로 판단된다. SASW 기법에 대한 새로운 시도는 경계면으로부터 반사되는 압축파가 도달하기 전의 표면파만을 채택하는 것이다. The spectral analysis of surface waves (SASW) method, which is an in-situ seismic technique, has mainly been developed and used for many years to determine the stiffness profile of layered media (such as asphalt concrete and layered soils) in an infinite half-space. This paper presents a modified experimental technique for nondestructive evaluation of in-place cement mortar compressive strength in single-layer concrete slabs of rather a finite thickness through a correlation to surface wave velocity. This correlation can be used in the quality control of early age cement mortar structures and in evaluating the integrity of structural members where the infinite half-space condition is not met. Modifications to the SASW method includes the reduction of boundary reflections as adopted on the surface waves before the point where the reflected compression waves reach the receivers.