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오병칠 신한대학교 2020 신한대학교 논문집 Vol.43 No.
For the purpose of energy saving for heating and cooling in high school building, this case study investigated the real energy usage by record and field instrumentation, predicted the usage by simulation with high school design drawing in Gincheon innovation city, and compared and analyzed cooling and heating load which change according to building permeability and window-grade. Drawn conclusions are as follows. 1. In the distribution of cooing load of high school, the heat generation from lights takes 40 % of it; therefore reducing the load from lights, which takes major part of the entire load, would be the most effective way to reduce cooling load. That is, reducing the heat generation from lights is most important to save cooling energy. 2. By reducing number of air change per hour due to infiltration from 5 times to 3 times, entire cooling and heating load is reduced by approximately 25%, and thermal losses due to infiltration are reduced by approximately 48%; therefore reducing infiltration is important to save cooling and heating energy, and it is more efficient in saving heating energy than saving cooling energy. That is, reducing thermal losses due to infiltration in winter is most important to save heating energy. 3. As a result of analysis of heating and cooling load due to alteration of performance of window, using 2nd-grade window is advantageous in cooling and disadvantageous in heating compared to using 3rd-grade window, as the SHGC gets less; the entire cooling and heating load decreases by 1.4%. Therefore raising the window grade is not so efficient to save cooling and heating energy. By the way of energy saving method drawn by this process, the building energy saving is practicable, and it is available in the way of the optimal design of new and recycle energy for the efficient energy supply later.
설비관련제도 현황 : 건축물의 에너지절약 관련제도 중심으로
오병칠(Byung-Chil Oh) 대한설비공학회 2006 대한설비공학회 학술발표대회논문집 Vol.2006 No.6
There are so many related policies to design and construct building mechanical system. Therefore, preferentially in this study, purposes and major contents of related laws are summarized briefly. Subsequently, some points at issue and ways to improve laws and codes for energy conservation are suggested. From the results of this study, some points at issue are as follows : (1) Inconvenience in the application due to dispersion of similar codes. (2) Lack of systems and tools to verify and to evaluate the effect of energy conservation by any policy (3) Lack of the incentive policy for participator to conserve of energy.