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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2014.6
- 수록면
- 5 - 13 (9page)
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This paper introduces emergy(spelled with “m”) that is a new environmental indicator in architecture, aiming to clarify conflicting claims of building design components in the process of energy-retrofit. Much of design practitioners’ attention on low energy use in operational phases, may simply shift the lowered environmental impact within the building boundary to large consumption of energy in another area. Specifically, building energy reduction strategies without a holistic view starting from natural formation, may lead to the depletion of non-renewable geobiological sources (e.g. minerals, fossil fuels, etc.), which leaves a building with an isolated energy-efficient object. Therefore, to overcome the narrow outlook, this research discusses the total ecological impact of a building which embraces all process energy as well as environmental cost represented by emergy. A case study has been conducted to explore emergy-driven design work. In comparison with operational energy-driven scenarios, the results elucidate how energy and emergy-oriented decision-making bring about different design results, and quantify building components’ emergy contribution in the end. An average-size (101.9 ㎡) single family house located in South Korea was sampled as a benchmark case, and the analysis of energy and material use was conducted for establishment of the baseline. Adoption of the small building is effective for the goal of study since this research intends to measure environmental impact according to variation of passive design elements (windows size, building orientation, wall materials) with new metric (emergy) regardless of mechanical systems. Performance simulations of operational energy were developed and analyzed separately from the calculation of emergy magnitudes in building construction, and then the total emergy demand of each proposed design was evaluated. Emergy synthesis results verify that the least operational energy scenario requires greater investment in indirect energy in construction, which clearly reveals that efficiency gains are likely to be overwhelmed by increment of material flows. This result places importance on consideration of indirect energy use underscoring necessity of emergy evaluation towards the environment-friendly building in broader sense.
목차
ABSTRACT
1. Introduction
2. Methods
3. Results
4. Conclusions and discussion
References
참고문헌 (22)
참고문헌 신청
1. [학술지(정기간행물)] - Baek C / 2013 / Life cycle carbon dioxide assessment tool for buildings in the schematic design phase / and Buildings 61 : 275 ~ 287
2. [단행본] - Braham WW / 2013 / Architecture and Energy Performance and Style / Routledge
3. [학술대회논문] - Brahme R / 2009 / Using existing whole building energy tools for designing net-zero energy buildings - challenges and workarounds / Proceedings of the eleventh IBPSA Conference : 9 ~ 16
4. [학위논문] - Buranakarn B / 1998 / Evaluation of recycling and reuse of building materials using the emergy analysis method / 박사 / University of Florida
5. [학술지(정기간행물)] - Hernandez P / 2000 / From net energy to zero energy buildings: Defi ning life cycle zero energy buildings (LC-ZEB) / Energy and Buildings 42 : 815 ~ 821
2. [단행본] - Braham WW / 2013 / Architecture and Energy Performance and Style / Routledge
3. [학술대회논문] - Brahme R / 2009 / Using existing whole building energy tools for designing net-zero energy buildings - challenges and workarounds / Proceedings of the eleventh IBPSA Conference : 9 ~ 16
4. [학위논문] - Buranakarn B / 1998 / Evaluation of recycling and reuse of building materials using the emergy analysis method / 박사 / University of Florida
5. [학술지(정기간행물)] - Hernandez P / 2000 / From net energy to zero energy buildings: Defi ning life cycle zero energy buildings (LC-ZEB) / Energy and Buildings 42 : 815 ~ 821
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