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상수도 관망 내 바이러스 유입 대응을 위한 재염소 시설 설계
김범진,이승엽,Kim, Beomjin,Lee, Seungyub 한국수자원학회 2024 한국수자원학회논문집 Vol.57 No.4
Water distribution system (WDS) is exposed to various water quality incidents during its operation. This study utilized Quantitative Microbial Risk Assessment (QMRA) to analyze the risk associated with potential virus intrusion in WDSs. Additionally, the study determined the location and operation of rechlorination facilities to minimize potential risk. In addition, water quality resilience was calculated to confirm that the chlorine concentration maintains within the target range (0.1-1.0 mg/L) during normal operation. Hydraulic analysis was performed using EPANET, while EPANET-MSX was linked to simulate the reactions between viruses and chlorine. The proposed methodology was applied to the Bellingham network in the United States, where rechlorination facilities capable of injecting chlorine concentrations ranging from 0.5 mg/L to 1.0 mg/L were considered. Results indicated that without rechlorination facilities, the Average risk was 0.0154. However, installing rechlorination facilities and injecting chlorine at a concentration of 1.0 mg/L could reduce the Average risk to 39.1%. It was observed that excessive chlorine injection through rechlorination facilities reduced water quality resilience. Consequently, a rechlorination facility with a concentration of 0.5 mg/L was selected, resulting in a reduction of approximately 20% in average risk. This study provides insights for designing rechlorination facilities to enhance preparedness against potential virus ingress in the future.
김범진(Beomjin KIM),박세현(Sehyeon PARK),이경훈(Kyounghoon LEE) 전남대학교 어업기술연구소 2019 어업기술연구소보고지 Vol.12 No.1
This study deals with visitors in fishing leisure vessel, accident status and problems, and prevention of safety accidents. It suggested solutions for the illegal acting and strengthening the training contents of the fishing leisure vessel owners to prevent fishing leisure vessel accidents. In addition, it also proposed a plan for introducing recreational fishing license system to settle down the safe recreational fishing culture for visitors in fishing leisure vessels. This study could be used for reducing fishing leisure vessel accidents and promoting the recreational fishing license system.
Romey 분석법을 활용한 ‘문장’ 단원의 탐구적 성향 탐색 ― 『언어와 매체』 교과서를 중심으로
김범진 ( Kim Beomjin ),최선희 ( Choi Sunhee ) 국어교육학회 2021 國語敎育學硏究 Vol.56 No.2
본고는 문법 교과서가 문법 교육의 주요한 교육 철학적 관점이자 내용으로서 공고한 위상을 정립한 문법 탐구를 실현해야 한다는 전제 아래 『언어와 매체』 ‘문장’ 단원의 ‘탐구적 성향’을 정량적으로 분석하고 비교하는 데 목적이 있다. 이를 위해 Ⅱ장에서는 그간 문법 탐구를 중심으로 교과서를 고찰한 연구들을 살펴 문법 교과서의 탐구적 성향을 정량적으로 파악할 필요가 있음을 보였다. 이어서 Ⅲ장에서는 과학 교과서의 탐구적 성향을 측정하고 해석하기 위해 도입된 Romey 분석법의 적용 가능성과 분석 기준의 적절성을 논구하고, 분석의 범위와 방법을 구체화하였다. Ⅳ장에서는 ‘문장’ 단원의 Romey 지수 분석 결과를 범주별로 제시하고, 특징적인 점을 논의하였다. 이와 같은 본고의 논의는 기존의 정성적 분석 연구와는 달리 객관적인 지표를 통해 문법 교과서의 탐구적 성향을 보였다는 의의를 지닌다. This article aims to quantitatively analyze and compare the “inquiry tendencies” of “sentence” units in “Language and Media.” In doing so, it is based on the premise that grammar textbooks should realize a grammar inquiry to establish solid statuses as major educational philosophy perspectives and grammar education contents. Accordingly, Chapter Ⅱ quantitatively investigates the inquiring tendencies of grammar textbooks by observing studies that examined textbooks, focusing on the grammar inquiry conducted hitherto. Chapter Ⅲ discusses the applicability of the Romey analysis method and the appropriateness of the analysis criteria to measure and interpret the inquiry tendencies of science textbooks. Further, it specifies analysis scopes and methods. Chapter Ⅳ presents the Romey index analysis results of the “sentence” units by category and discusses characteristic aspects. The discussions of this article have significance as they display the inquiring tendencies of grammar textbooks through objective indexes, unlike existing qualitative analysis studies.