A two-layer turbulence model for simulating indoor airflow
作者： Weiran Xu , Qingyan Chen
DOI: 10.1016/S0378-7788(00)00129-8
关键词: Direct numerical simulation 、 Computer simulation 、 Reynolds number 、 Mechanics 、 Airflow 、 Meteorology 、 Environmental science 、 Fluid dynamics 、 Turbulence 、 Combined forced and natural convection 、 Natural convection
摘要: Abstract Energy efficient buildings should provide a thermally comfortable and healthy indoor environment. Most airflows involve combined forced natural convection (mixed convection). In order to simulate the flows accurately efficiently, this paper proposes two-layer turbulence model for predicting forced, mixed convection. The combines near-wall one-equation [J. Fluid Eng. 115 (1993) 196] [Int. J. Heat Mass Transfer 41 (1998) 3161] with aid of direct numerical simulation (DNS) data Flow 18 (1997) 88].
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