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http://dx.doi.org/10.22645/udi.2019.6.30.025

The annual infiltration distribution caused by wind and stack effects in high-rise residential buildings  

Park, Ju-Hyun (인천대학교 도시과학대학 도시건축학부)
Yoon, sung-min (인천대학교 도시과학대학 도시건축학부)
Song, Du-Sam (성균관대학교 건설환경공학부)
Kim, Yong-Sik (인천대학교 도시과학대학 도시건축학부)
Publication Information
Journal of Urban Science / v.8, no.1, 2019 , pp. 25-31 More about this Journal
Abstract
Infiltration affects indoor environmental and air quality and energy consumptions in buildings. Especially, airflow and the infiltration are more remarkable in high-rise buildings due to the air-driving forces (stack and wind effects). Thus, it is important to understand infiltration distributions in high-rise residential buildings. In this study, the weather-driven infiltration is characterized from the viewpoint of interactions between external wind and stack effect in high-rise residential buildings. To calculate accurately the annual infiltration distributions, this study also suggests an airflow and thermal simulation method with a two-step calibration of air-leakage data. The simulated results show (1) how the interaction between stack and wind effects induce infiltration types (outdoor and interzone air infiltration) and (2) how much the interzone air infiltration (being ignored in previous studies) occurs due to the stack effect, as well as the outdoor air infiltration rates.
Keywords
Infiltration; High-rise residential building; Stack effect; Airflow and thermal simulation;
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