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지열을 이용한 공조외기부하 저감 시스템의 열성능 예측을 위한 수치모델
손원득(Won-Tug Son),안창환(Chang-Hwan Ahn),공성훈(Sung-Hoon Kong) 한국생활환경학회 2007 한국생활환경학회지 Vol.14 No.2
This paper presents a feasibility study of a fresh air load reduction by using an underground double floor space. The system was introduced into a real building and was examined by the field measurement. Judging from the measurements during three years (1999~2001), the state of the system operation was very stable through this period and it was clear that the system contributes to reduction of energy consumption for air-conditioning. Futhermore, a simulation model used the simple heat diffusion equation was developed to simulate its thermal characteristics and performances. The simulations resulted in air temperature in good agreement with the measurements. Also, from the result of numerical analysis, it is clear that the amount of heat supply by using this system is more than the amount of energy loss to the room above it. Therefore, it is concluded that this systems is very useful and the proposed numerical model can be used for the prediction of system thermal performance.
지열을 이용한 空調外氣負荷低減시스템의 설계 및 도입 효과에 관한 연구-실측결과 및 열성능 예측을 위한 수치모델의 제안-
손원득(Won-Tug Son),최영식(Young-Sik Choi) 한국산업융합학회 2004 한국산업융합학회 논문집 Vol.7 No.3
This paper presents a feasibility study of a fresh air load reduction system by using an underground double floor space The system was introduced into a real building and was examined by the field measurement Judging from the measurements during three years(1999-2001), the state of the system operation was very stable through this period and it was clear that the system contributes to reduction of energy consumption for air-conditioning. Futhermore, a simulation model used the simple heat diffusion equation Was developed to simulate its thedtial charactenshes and performances The simulations resulted m air temperature 10 good agreement with the measurements. Also, from the result of numerical analysis, It is clear that the amount of heat supply by using this system is more than the amount of energy loss to the room above it. Therefore, it is concluded that this systems is very useful and the proposed numerical model can be used for the prediction of system thermal performance.<br/>
지열을 이용한 空調外氣負荷低減 시스템의 설계 및 도입 효과에 관한 연구
손원득(Won-tug Son),최영식(Young-sik Choi) 한국산업융합학회 2008 한국산업응용학회 학술대회 논문집 Vol.- No.-
This paper presents a feasibility study of a fresh air load reduction system by using an underground double floor space. The system was introduced into a real building and was examined by the field measurement. Judging from the measurements during three years(1999-2001), the state of the system operation was very stable through this period and it was clear that the system contributes to reduction of energy consumption for air-conditioning. Futhermore, a simulation model used the simple heat diffusion equation was developed to simulate its thermal characteristics and performances. The simulations resulted in air temperature in good agreement with the measurements. Also, from the result of numerical analysis, it is clear that the amount of heat supply by using this system is more than the amount of energy loss to the room above it. Therefore, it is concluded that this systems is very useful and the proposed numerical model can be used for the prediction of system thermal performance.
손원득(Won-Tug Son),최영식(Young-Sik Choi) 한국산업융합학회 2009 한국산업응용학회 학술대회 논문집 Vol.- No.1
Significant air temperature increases in urban areas are known as the heat island phenomenon in a global scale. Therefore, we use numerical model in order to analyze quantitative effects by using new & renewable energy on the heat island phenomenon in urban area. The present study quantitatively analyzes the Urban Heat Island Effects, Energy-Saving Effects, and Environmental Load Decrease Effect along New and Renewable Energy Application which is 10% of the Building Energy Consumption.
신재생에너지 사용이 도시열섬방지에 미치는 영향에 대한 연구
손원득(Won-Tug Son),최영식(Young-Sik Choi) 한국산업융합학회 2009 한국산업융합학회 논문집 Vol.12 No.3
Significant air temperature increases in urban areas are known as the heat island phenomenon in a global scale. Therefore, we use numerical model in order to analyze quantitative effects by using new & renewable energy on the heat island phenomenon in urban area. The present study quantitatively analyzes the Urban Heat Island Effects, Energy-Saving Effects, and Environmental Load Decrease Effect along New and Renewable Energy Application which is 10% of the Building Energy Consumption.
지열을 이용한 외기부하저감시스템의 외기온도와 출구온도의 상관관계 분석
손원득(Won-Tug Son),박경순(Kyung-Soon Park) 대한설비공학회 2010 설비공학 논문집 Vol.22 No.9
This paper presents a feasibility study of a fresh air load reduction system by using an underground double floor space. The fresh air is introduced into the double slab space and passes through the opening bored into the footing beam. The air is cooled by the heat exchange with the inside surface of the double slab space in summer, and heated in winter. This system not only reduces sensible heat load of the fresh air by heat exchange with earth but also reduces latent heat load of the fresh air by ad/de-sorption of underground double slab concrete. In this paper, we investigated the correlation between outdoor air temperature and outlet air temperature in the system. In conclusion, from the results of the high correlation we proposed a equation of regression for the outlet air temperature in the system by using linear regression analysis.
지열을 이용한 외기부하저감시스템의 냉각 및 가열효과 예측을 위한 간이추정법에 관한 연구
손원득(Won-Tug Son),박경순(Kyung-Soon Park) 대한설비공학회 2010 설비공학 논문집 Vol.22 No.9
This paper presents a feasibility study of a fresh air load reduction system by using an underground double floor space. The fresh air is introduced into the double slab space and passes through the opening bored into the footing beam. The air is cooled by the heat exchange with the inside surface of the double slab space in summer, and heated in winter. This system not only reduces sensible heat load of the fresh air by heat exchange with earth but also reduces latent heat load of the fresh air by ad/de-sorption of underground double slab concrete. In this paper, we proposed a simplified presumption method for the prediction of cooling and heating performance in the system. In conclusion the proposed method has been verified by comparing with the calculated value of the numerical analysis model by using nonlinear two-dimension hygroscopic question.