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On the simulation of the plume from stacks of buildings
Affiliation:1. School of Civil Engineering, University of South China, Hengyang, PR China;2. Hunan Provincial Key Engineering Laboratory of Building Control Technology, University of South China, Hengyang, PR China;3. YangTze Delta (Zhuji) Research Institute of University of South China, Zhuji, Zhejiang, PR China;4. Center for Sustainable Development(CSD), China Industrial Development Research Institute (CIDRI), Shanghai, PR China;5. HangZhou Long Beach Technology Ltd. Co, Binjiang, Hangzhou, Zhejiang, PR China;1. Niigata Institute of Technology, Kashiwazaki, Japan;2. Concordia University, Montreal, Canada;1. Cooperative Institute for Research in the Atmosphere, Colorado State University, Fort Collins, CO 80523, USA;2. U.S. Fish and Wildlife Service, Anchorage, AK 99503, USA;3. Alaska Department of Fish & Game, Fairbanks, AK 99701, USA;4. Avery County Schools, Newland, NC 28657, USA
Abstract:A three-dimensional numerical model is used for a turbulent buoyant jet. The standard k–ϵ model has been modified to focus on the buoyancy-production term. The usual and modified buoyancy production coefficients are used for comparisons with experimental data reported in the literature. Imported numerical results are obtained with the modified coefficient for the stack–exit velocities and temperatures. The effects of these parameters on flow characteristics are discussed.
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