| Title |
A Study of Discharge Coefficient for Thermal Buoyancy Natural Ventilation |
| Authors |
Dongshin Shin ; Hyunjun Ko ; Sehyung Kim ; Jihyung Seon ; Sangmin Yoon ; Jinyoung Lee |
| DOI |
http://dx.doi.org/10.6110/KJACR.2015.27.12.639 |
| Keywords |
자연환기 ; 온도차부력 ; 보정계수 ; 오피스 빌딩 ; 친환경 에너지 Natural ventilation ; Thermal buoyancy ; Discharge coefficeint ; Office building ; Eco-friendly energy |
| Abstract |
This study reviews the discharge coefficient for thermal buoyancy natural ventilation through experimentation. We measure the air velocity at the outlet, which is needed to derive the discharge coefficient and to compare with the theoretical value. When a temperature difference exists between the inside and outside of the building, the measured discharge coefficient differs from the theoretical value with a maximum difference of 12%. The size and position of the openings have little effect on the discharge coefficient. For practical application, the theoretical discharge coefficient can be used with little modification. |