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	A new approach on zonal modeling of indoor environment with mechanical ventilation
	Song, FT ; Zhao, B ; Yang, XD ; Jiang, Y ; Gopal, VP ; Dobbs, G
	2010-05-10 ; 2010-05-10
会议名称	Indoor Air 2005: Proceedings of the 10th International Conference on Indoor Air Quality and Climate, Vols 1-5 ; 10th International Conference on Indoor Air Quality and Climate (Indoor Air 2005) ; Beijing, PEOPLES R CHINA ; Web of Science
关键词	zoning method air age zonal model simulation SIMULATION BUILDINGS Construction & Building Technology Engineering, Environmental Public, Environmental & Occupational Health
中文摘要	To improve the overall performance in zonal modeling for thermal and indoor air quality predictions, we have developed a new zoning approach. Its principal issue is that zoning should be based on the distributions of flow field and the zoning results should indicate the uniformity of zones in space. In this work, air age is adopted as a basis for zoning in mechanically ventilated rooms. Rigorous zoning criteria are developed based on deviation ratio of air age and location of sources. Case study is performed to demonstrate the applicability of the new approach for predicting indoor temperature in a displacement ventilated room. The simulation results were compared with those of a CFD model and those of another zonal model. Comparisons show the practicability for engineering design and the advantages for calculating more accurately the room temperature distributions of the new approach.
会议录出版者	TSINGHUA UNIVERSITY PRESS ; BEIJING ; TSINGHUA UNIVERSITY HAIDIANQU, BEIJING 100084, PEOPLES R CHINA
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/19761]
专题	清华大学
推荐引用方式 GB/T 7714	Song, FT,Zhao, B,Yang, XD,et al. A new approach on zonal modeling of indoor environment with mechanical ventilation[C]. 见:Indoor Air 2005: Proceedings of the 10th International Conference on Indoor Air Quality and Climate, Vols 1-5, 10th International Conference on Indoor Air Quality and Climate (Indoor Air 2005), Beijing, PEOPLES R CHINA, Web of Science.

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