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Study on the thermal environment in buildings with large-scale atriums and large area of glass surface

Li X, Du J, Jin Z, 2002
thermal comfort | design | mathematical modelling
Bibliographic info: Proceedings of Indoor Air 2002 (9th International Conference on Indoor Air Quality and Climate) - June 30 - July 5, 2002 - Monterey, California - vol 3, pp 742-747, 2 figs, 7 refs, 5 tabs
Languages: English

The control of thermal environment is complicated in buildings with glass-covered atriums. Numerical simulation can play an important role in the heating, ventilation, air-conditioning (HVAC) design of atriums. Many researches have developed various computational fluid dynamics (CFD) methods to accurately predict the thermal environment in atriums. However, a simple, reliable and fast method to deal with complex building construction is more suitable for building designers and engineers to take as a routine assistant tool of HVAC design. In this paper, such numerical method is analyzed and summarized, which includes the composite grid method for solar radiation simulation, a new zero-equation model for airflow analysis, and Gebhart method for long-wave radiation calculation. The method is validated by compared with measurement data and applied to optimize the HVAC design of a practical project to demonstrate its application.


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