• Title/Summary/Keyword: Energy Audit

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A Study on Energy Eco-Audit Evaluation Scheme at Schools for Sustainable Energy Management (지속가능한 에너지 관리를 위한 학교 에너지 생태 감사 평가 방안 개발 연구)

  • Nam, Young-Sook
    • Hwankyungkyoyuk
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    • v.20 no.4
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    • pp.1-11
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    • 2007
  • The purpose of this study is to develope energy eco-audit evaluation scheme for the sustainable energy management at schools in accordance with education for sustainable development. Energy eco-audit evaluation scheme was developed through critical review of preexisting evaluation methods, consensus searching for the process from field. The results of this study are as follows. The school energy eco-audit evaluation scheme has three criteria: data collection, energy program, and environmental review. First, criteria of data collection includes general affairs, school building construction, and energy use. Second, criteria of energy program stresses school administration system such as the democratic decision-making process and structures. Third, criteria of environmental review includes reporting process and preparing teaching/learning materials for sustainable energy management. In conclusion, school energy eco-audit evaluation scheme could find a new way to achieve extended effect for sustainable energy management in school. It also could continue to seek opportunities to raise their awareness of energy issue and environment. School committee and whole school are involved to continue to implement present action plan and prepare updated plan in order to reduce environmental impact in school. By doing so, it would be possible to play important role in both school administration and education for sustainable development.

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Existing Building Energy Simulation Method Using Calibrated Model by Energy Audit Data (성능진단 데이터로 보정된 모델을 이용한 기존건축물의 에너지시뮬레이션 기법)

  • Kong, Dong-Seok;Kim, Du-Hwan;Chang, Yong-Sung;Huh, Jung-Ho
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.26 no.5
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    • pp.231-239
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    • 2014
  • This paper represents a method of existing building energy simulation using energy audit data. Energy audit must be carried out for reasonable analysis, because characteristics of existing buildings such as efficiency of fan, pump, flow rate, pressure, COP and operating schedule could be changed during the building operation. These building characteristics should be measured to estimate actual energy consumption of the existing building. In this study, we conducted energy audit and calculated energy savings for a 7-stories building as a case-study. The energy audit data were used to calibrate the building model of EnergyPlus simulation. Baseline model validated according to M&V guideline index. As a result, building characteristics are significant parameters making a big impact on energy savings in existing buildings.

A Study of Sustainable Energy Management through the Application of the Eco-Audit (생태 감사를 이용한 지속가능한 학교 에너지 관리 방안 연구)

  • Nam, Young-Sook
    • Hwankyungkyoyuk
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    • v.19 no.3
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    • pp.102-113
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    • 2006
  • The purpose of this study is to devise proper plans for sustainable energy management in schools through applying school eco-audit to energy field. This study is performed by literature review and the analysis of case study. This study analyzes the energy-saving model school according to the three cores of eco-audit such as school administration system, teaching-learning method, and ecological policy, and the result of the study is as followings. First, according to the analysis of school administration system for energy education programs, the participation of all the school staff is very low, and the democratic decision-making system is unsatisfactory. Second, according to the analysis of teaching-learning method, the program is mainly managed by teacher-oriented method not by learner-oriented one. The effect on the education of energy-saving program is a little improved in cognitive area, but is insufficient in affective area. Third, in the aspect of the ecological policy, the practical energy-saving effect in schools is unsatisfactory, and shows the difficulty of continuing application of the program. Consequently, it is desirable to integrate the energy-saving program with the eco-audit for sustainable energy management in schools. Implementation of the energy eco-audit in schools for the sustainable development education as teaching-learning method could achieve extended effect for the earth environmental conservation.

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Case Studies of HVAC System through Energy audit (공조시스템의 에너지진단 사례)

  • Kim, Doo-Sung;Kim, Chun-Yong;Um, Chul-Jun;Song, Euy
    • Proceedings of the SAREK Conference
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    • 2008.06a
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    • pp.66-71
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    • 2008
  • Energy audit was started in 2006 that Korea Government Policy for Energy saving. Who used over 2,000toe/yr(tons of oil equivalent) energy consumption has to perform Energy audit program of obligation every five years with auditing company. HANMI C&E as a company authorized by Government has diagnosed various type building. It shows four case studies of HVAC system in office building through Energy audit. This studies present efficient recommendation method for improving system performance.

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The audit method of cooling energy performance in office building using the Simple Linear Regression Analysis Model

  • Park, Jin-Young;Kim, Seo-Hoon;Jang, Cheol-Young;Kim, Jong-Hun;Lee, Seung-Bok
    • KIEAE Journal
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    • v.15 no.5
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    • pp.13-20
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    • 2015
  • Purpose: In order to upgrade the energy performance of existing building, energy audit stage should be implemented first because it is useful method to find where the problems occur and know how much time and cost consumption for retrofit. In overseas researches, three levels of audit is proposed whereas there are no standards for audit in Korea. Besides, most studies use dynamic simulation in detail like audit level 3 even though the level 2 can save time and cost than level 3. Thus, this paper focused on audit level 2 and proposed the audit method with the simple linear regression analysis model. Method: Two parameters were considered for the simple regression analysis, which were the monthly electric use and the mean outdoor temperature data. The former is a dependent variable and the latter is a independent variable, and the building's energy performance profile was estimated from the regression analysis method. In this analysis, we found the abnormal point in cooling season and the more detailed analysis were conducted about the three heat source equipments. Result: Comparing with real and predicted models, the total consumption of predicted model was higher than real value as 23,608 kWh but it was the results that was reflected the compulsory control in 2013. Consequently, it was analyzed that the revised model could save the cooling energy as well as reduce peak electric use than before.

Selecting of the Energy Performance Diagnosis Items through the Sensitivity Analysis of Existing Buildings (민감도 분석을 통한 기존건축물의 에너지성능 진단항목 선별)

  • Kong, Dong-Seok;Chang, Yong-Sung;Huh, Jung-Ho
    • Korean Journal of Air-Conditioning and Refrigeration Engineering
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    • v.27 no.7
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    • pp.354-361
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    • 2015
  • The building energy audit is an important process when collecting basic information for improving the energy performance of existing buildings. Audit parameters should be associated with the energy performance of the building. Such audit parameters will vary according to an individual building's characteristics and energy consumption patterns, but most building energy audits are performed in the same way. The sensitivity analysis (SA) is a statistical method to quantify the correlation between inputs and outputs that can determine which input is influential to which output. Therefore, an SA can identify influential parameters when applied to building energy analysis. In this paper, we adopted the Morris method to identify building energy audit parameters and performed a Monte Carlo simulation for uncertainty analysis. As a result, this method was able to identify an influential parameter for building energy audits and reduce uncertainty in energy consumption in buildings.

Case Studies of best practices through Energy audit (에너지진단 우수 사례소개)

  • Um, Chul-Jun;Song, Euy;Kim, Chun-Yong;Kim, Doo-Sung
    • Proceedings of the SAREK Conference
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    • 2008.11a
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    • pp.505-510
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    • 2008
  • Improving energy efficiency is the important thing of energy saving strategies that was shown up result of IEA meeting and the G8 Summit. Energy audit was started in 2006 that Korea government policy for improving energy efficiency. Who used over 2,000toe/yr(tons of oil equivalent per year) energy consumption has to perform energy audit program of obligation every five years with auditing company. HANMI C&E as a company authorized by Government has diagnosed various type building. This case studies are chosen to best practices by KEMCO. This studies present efficient recommendation methods for improving system performance.

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Quality Audit for Measuring the Effectiveness of Quality Management Systems (品質經營體制의 有效性 評價를 위한 效率的인 品質監査의 遂行方案)

  • Nam, Ji-Hee;Kim, Kwan-Hyun;Cho, Moon-Sung;Lim, Nam-Jin
    • Journal of Korean Society for Quality Management
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    • v.28 no.2
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    • pp.252-263
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    • 2000
  • The purport of quality assurance audit and its procedures as specified in ISO 9000 have been reviewed. The principles and techniques for interview, documentation of the results and quality trend analysis were discussed. The practical techniques for the performance of quality audit for measuring the effectiveness of quality management systems were suggested.

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A Study on the Effect of the Application of School Eco-Audit in School Environmental Education (학교 생태 감사의 학교 환경교육 적용 및 효과 분석)

  • Woo, Jung-Ae;Nam, Young-Sook
    • Hwankyungkyoyuk
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    • v.20 no.4
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    • pp.97-105
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    • 2007
  • The purpose of this study is to find out educational effect of school environmental education utilized school eco-audit. The result of the study is as followings. First, environmental education program based on school eco-audit was developed. Environmental education program was applied school environmental education. According to developed program, students surveyed environmental problem of school and drove to solution of environmental problem. Second, after environmental education, students became to recognize the fact we are responsible for the environmental problem and also affect the solution of it too much. Also, result showed that will to save energy and resource get higher. In conclusion, school eco-audit is effective cultivation of positive attitude for solution and responsibility of environmental problem. Therefore school eco-audit have to introduce school environmental education because school eco-audit derive participation for solution of environmental problem and learning of decision-making.

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A Study on the Methodology and Application of the School Eco-Audit System (학교 생태감사의 이론적 고찰과 도입방안 연구)

  • Nam, Young Sook
    • Journal of Environmental Impact Assessment
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    • v.13 no.2
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    • pp.41-55
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    • 2004
  • The purpose of this study is to consider for the introduction of the school eco-audit system as an educational method for sustainable development. First of all, the concept and objective of the education for sustainable development(ESD) are reviewed in order to advance a theory on school eco-audit system. ESD which under the premise of global inter and intra generation justice, resolves to address a mixture of ecological, economical and social aspects, as well as safeguarding limited resources and protecting the environment from pollution and energy. In order to effectively structure uncoordinated environmental activities carried out by schools, the introduction of school eco-audit system in Korea is suggested, which as the model for long-term development, has since been integrated into the school's programme. Activities related to waste, heating, electricity and water are run by a 'Management Team'. By combining all 3 fields of action - i.e. establishing basic organizational conditions, education, and individual ecological measures - the eco-audit proves to be the key to success. In particular, administration agency and method, institutional improvement are presented.