• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2023년도 학술발표회
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• pp.183-183
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• 2023

Smart water cities (SWC) are urban municipalities that utilizes modern innovations in managing and preserving the urban water cycle in the city; with the purpose of securing sustainability and improving the quality of life of the urban population. Understanding the different urban water characteristics and management strategies of cities situate a baseline in the development of evaluation scheme in determining whether the city is smart and sustainable. This research herein aims to develop measurements and evaluation for SWC Key Performance Indicators (KPIs), and set up a unified global standard and certification scheme. The assessment for SWC is performed in technical, as well as governance and prospective aspects. KPI measurements under Technical Pillar assess the cities' use of technologies in providing sufficient water supply, monitoring water quality, strengthening disaster resilience, minimizing hazard vulnerability, and maintaining and protecting the urban water ecosystem. Governance and Prospective Pillar on the other hand, evaluates the social, economic and administrative systems set in place to manage the water resources, delivering water services to different levels of society. The performance assessment is composed of a variety of procedures performed in a quantitative and qualitative manner, such as computations through established equations, interviews with authorities in charge, field survey inspections, etc. The developed SWC KPI measurements are used to evaluate the urban water management practices for Busan Eco Delta city, a Semulmeori waterfront area in Gangseo district, Busan. The evaluation and scoring process was presented and established, serving as the basis for the application of the smart water city certification all over the world. The established guideline will be used to analyze future cities, providing integrated and comprehensive information on the status of their urban water cycle, gathering new techniques and proposing solutions for smarter measures.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2005년도 학술발표회(1)
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• pp.74-74
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• 2005

• 대한안전경영과학회:학술대회논문집
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• 대한안전경영과학회 2011년도 추계학술대회
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• pp.593-618
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• 2011

Development of the economy and the growing income of people interested in the leisure and health has been focused. Past the town common wells and groundwater around the water, but health is a priority these days to solve the drinking water directly from tap water, but most people work from home, through the water purifier has been resolved. Depending on seasonal changes and personal taste of coffee, if you can enjoy a snack and water purifier is a restaurant, lounge, public areas and focusing on the rapid spread of the fire, water purifier as compared to the total number of fires increased by 0.03% per year trend on, but the washrooms fire and fire-related research data and case studies with analysis of the exact cause lack of proper preventive measures are insufficient reality. In this study, focusing on electrical energy using a water cooler to understand the structure and principles of fire, the fire revealed the mechanism is vulnerable to the consideration of factors, the exact cause of the fire investigation and the Assistant, manufacturing defects, and to contribute to fire prevention review should.

• Journal of Advanced Marine Engineering and Technology
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• 제18권4호
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• pp.1-12
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• 1994

Most merchant ships are supplied with the only essential fresh water from a port for economical cargo transportation and the reduction of a nevigation expense. And the deficient fresh water for a voyage is produced by fresh water generator with the various exhaust energy generated in the engine room on a voyage. At present, an evaporation type fresh water generator are extensively used on ship because the operating cost of it is lower than that of a reverse osmosis pressure type. This study introduce a development results on the large evaporation type fresh water generator enable to be used for large merchant ships. It is accomplished the performance test using the developed large fresh water generator.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2016년도 학술발표회
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• pp.199-199
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• 2016

In recent decades, climate change phenomenon has developed towards critical tendency and increased in both frequency, intensity and time which causes catastrophic damage in both people and property, especially in the field of agriculture and water resources. At the current, some researches in the world and Viet Nam studies on climate change impacts on the water resources sectors. Results of scientists'studies showed that climate change will seriously impact productivity, livelihoods and the environment on a global scale; especially large flood phenomena increasingly developing in intensity, drought more violently occurring in a long time. In recent years, the shortage of water supply for economic activity has started to happen with quite serious degree at the Viet Nam, especially in the northern mountainous provinces of Viet Nam.

• 한국수자원학회:학술대회논문집
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• 한국수자원학회 2017년도 학술발표회
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• pp.190-190
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• 2017

In recent decades, climate change phenomenon has developed towards critical tendency and increased in both frequency, intensity and time which causes catastrophic damage in both people and property, especially in the field of agriculture and water resources. At the current, some researches in the world and Viet Nam studies on climate change impacts on the water resources sectors. Results of scientists' studies showed that climate change will seriously impact productivity, livelihoods and the environment on a global scale; especially large flood phenomena increasingly developing in intensity, drought more violently occurring in a long time. In recent years, the shortage of water supply for economic activity has started to happen with quite serious degree at the Viet Nam, especially in the northern provinces of Viet Nam.

• 대한설비공학회지:설비저널
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• 제16권3호
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• pp.295-304
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• 1987

The purpose of this study is to develop a computer model for simulating the water-lit hium bromide absorption heat transformer (AHT) Including all major components and to find the flexibility in operation. The effect of source hot water temperature, cooling water temperature, useful hot water flow rate, cooling water flow rate and evaporator circulation flow rate were investigated. The coefficient of performance (COP), temperature boost $({\Delta}T\;=\;T_A\;-\;Ti)$ and concentration variations can be predicted. The performance study indicates that the performance of AHT increases for the waste hot water temperature increasing and with a decrease of the cooling water temperature. The effect on performances of useful hot water flow rape is significant except on temperature boost. Also the effects on performance of cooling water flow rate and evaporator circulation flow rate are small. It is shown that the computer program is valuable to predict the performance of absorp-tion heat transformer units at various working corditions.

• 산업진흥연구
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• 제1권1호
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• pp.137-142
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• 2016

물 재이용에 대한 인식이 물 재이용 실천의도에 미치는 영향을 검증하였다. 연구결과 물 재이용 절수제품 구매의도에 유의한 영향을 미치는 요인은 물 재이용 실천 필요성 인식, 세면수 재활용 양변기 효과 인지도(p<.01), 공공기관 절수제품 의무설치 인식, 절수제품 의무설치 대상 확대 찬성도, 물 재이용 법률 인지도(p<.05)로 나타났다. 또한 월평균 가구소득이 150만원 이하인 경우, 직업이 전문가 및 관련 종사자와 판매 및 기능 종사자인 경우, 월평균 수도요금이 4만원대 이상인 경우 물 재이용 절수제품 구매의도가 상대적으로 높은 집단 간 차이가 나타났다. 본 연구는 물 재이용에 대한 인식이 물 재이용 실천의도에 미치는 영향을 분석함으로써 물 재이용 실천율을 높이기 위한 물 재이용 정책 추진방향에 시사점을 제공한 데 그 의의가 있다.

• 산업진흥연구
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• 제1권1호
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• pp.115-121
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• 2016

본 연구는 청소년기 부모의 절수 마인드가 자녀의 절수 인식에 미치는 영향을 검증하였다. 연구 결과 본인의 절수마인드에 영향을 미치는 요인은 청소년 시기 부모의 절수 마인드(${\beta}=.627$, p<.001)로 나타났으며, 본인의 절수마인드는 자녀의 절수 마인드와 향후 자녀에 대한 절수 강조 의지에 긍정적인 영향을 미쳤다(p<.001). 또한 대졸이 전문대졸보다, 전문가 및 관련 종사자가 사무 종사자보다, 아파트나 주택 거주자가 빌라 거주자보다, 월평균 수도요금이 4만 원대 이상이 그보다 요금이 낮은 경우보다 부모의 절수마인드 중요성을 높게 인식했으며 여성이 남성보다 절수마인드가 높은 경향을 보였다. 본 연구는 청소년기 부모의 절수 마인드가 자녀에게 미치는 영향력을 검증했으며 이를 통해 가정 내에서 청소년 시기 부모의 물 절약 의식 및 실천행동의 자녀교육 효과성을 입증한 데 그 의의가 있다.

• 농촌계획
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• 제27권3호
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• pp.11-20
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• 2021

Recently, natural disasters caused by climate change have become more frequent across the world. Our country is also not exceptional, and it is urgent to come up with appropriate measures in the agricultural sector as the size and intensity of drought are becoming severe. Consequently, the Ministry of Agriculture and Food has continuously raised the need for efficient water management and governance to overcome the periodic drought. Thus, there is a need for water-saving education and water conservation governance for sustainable and efficient use of agricultural water. Governance is a cooperative mechanism involving various stakeholders, such as central, local, civil society, and businesses, to solve regional or social problems, with different definitions and concepts depending on the field or scope. In this study, we aim to present basis of a governance framework for direct water management participation involving the key agricultural water use stakeholders to imbibe the culture of water savings and conservation practices. Based on this, water-saving governance was established and operated in Gyeongju and Yeoju, in South Korea as a 'water conservation practice', while the water management status of local farmers, the reliability and importance of stakeholders, and the need for governance were investigated. The results indicate that the involvement of various stakeholders in the governance of water management yielded water-saving effects. This study provides the directions of making a framework for water-saving governance establishment and operation. It is expected that sustainable agricultural water use can be achieved in response to climate change if the governance builds and operates with agricultural water use stakeholders based on the continuous government supports.