[논문]인천국제공항 제2여객터미널 대공간의 일사를 고려한 냉방기 실내온도, 기류분포 시뮬레이션 분석 연구

윤재옥; 이주희

doi:10.5659/jaik.2020.36.8.119

[국내논문] 인천국제공항 제2여객터미널 대공간의 일사를 고려한 냉방기 실내온도, 기류분포 시뮬레이션 분석 연구
The Simulation of Indoor Temperature and Air-flow in Summer considering Solar Radiation at the Great Hall of Incheon International Airport Terminal 2

대한건축학회논문집 = Journal of the architectural institute of korea, v.36 no.8, 2020년, pp.119 - 126

윤재옥 ((주)이에이엔테크놀로지) , 이주희 (호서대학교 자동차ICT공학과)

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Incheon International Airport(IIA) Terminal 2 is a large and high-rise building. In particular, the ceiling height of the Great Hall Level 5 in the center of the IIA Terminal 2 is more than 26m. That is a huge atrium with 4 floors open in some spaces, from Level 2 to Level 5. The height of that space is more than 41m. It is not easy to composite comfort indoor environments in the huge space because of temperature stratification. The CFD(Computational Fluid Dynamics) simulation is the best method at the planning stage to predict indoor temperature and airflow distribution in a large space. The purpose of this study is to persue indoor environments comfort, indoor temperature and air velocity, for the occupant area(Z=1.5m) in the Great Hall. We investigated whether the air condition is comfortable in summer, considering interior heat gains and solar radiation. It was predicted using the turbulence CFD simulation with commercial code STAR CCM+ in the large space. A steady-state CFD simulation was performed, and the cooling peak time was set to 1 PM by calculating the MEP cooling load. After analyzing the results of simulation with the initial plan of MEP, we identified the problems and suggested six improvements. 1) Adding inlets near the north curtain wall at level 5. 2) Adding inlets around the sunken space of Level 4. 3) Changing the air supply tower to a normal air supply(SA) of indoor booth. 4) Adding outlets(RA). 5) Adding and relocating SA, RA to Level 2, 3. 6) SA extraction angle adjustment. The results of CFD simulations are presented in this paper. The indoor temperature and air velocity distributions of final plan was simulated and comfortable environment conditions were confirmed.

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참고문헌 (14)

STAR-CCM+ Manual. https://www.plm.automation.siemens.com/global/ko/products/simcenter/STAR-CCM.html
ASHRAE, (2009), ASHRAE Handbook Fundamentals, ASHRAE 18.5
Chang, H. (2002). Application of Result of Wind Tunnel Test on Pressure Distribution at the Openings as a Boundary Conditions for CFD, Journal of the Architectural Institute of Korea, 18(12), 177-182
Gilani, S., Montazeri, H., & Blocken, B. (2015). CFD Simulation of Stratified Indoor Environment in Displacement Ventilation: Validation and Sensitivity Analysis, Building & Environment, 50(2), 1-19
Hong, I., Ki, H., Jung, E., & Song, D. (2012). A Study on Inlet Flow Profile in CFD Simulation for Predicting Wind Environment in Urban Area, Journal of the Architectural Institute of Korea, 28(1), 311-318
Lee, J., Nam, S., & Yoon, J. (2010). Simulations of Thermal Environment of Medium-size City considering Solar Radiation, Journal of the Architectural Institute of Korea Planning & Design, 26(12), 295-302
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Kim, S., Lee, S., Yeo, M., & Kim, K. (2016). CFD Analysis on Thermal Reservoir of Atrium on Building Natural Ventilation, Proceeding of Annual Conference of the Architectural Institute of Korea, 36(2), 617-622
Kim, T., Kato, S., & Murakami, S. (2001). Indoor Cooling/Heating Load Analysis based on coupled Simulation of Convection and HVAC control, Building and Environment, vol.36 pp. 901-908

상세보기
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