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2013 (Vol. 5, Issue: 11)
Article Information:

Optimized Design of Outlets Layout in Thermal Pressure Naturally Ventilated Rooms

Xuemin Sui, Jianping Ma and Yanling Guan
Corresponding Author:  Xuemin Sui 

Key words:  Optimized design, outlets layout, temperature field, thermal natural ventilation , , ,
Vol. 5 , (11): 3124-3129
Submitted Accepted Published
September 26, 2012 November 11, 2012 April 05, 2013
Abstract:

Using thermal pressure ventilation principles to achieve passive ventilation in buildings is an important way to promote green and low consumption building strategy. The reasonable vents layout design can fully tap the potential of thermal pressure ventilation. Aimed to civil buildings with internal heating source, using Computational Fluid Dynamics (CFD) technology, the effects of outlets layout on thermal natural ventilation in rooms were studied. Three types of typical air outlets distribution patterns were considered and the airflow distribution of thermal natural ventilation in rooms was simulated. The ventilation rates and the average workspace temperatures of different simulated conditions were given. The velocity and temperature fields of different simulated conditions were analyzed and the indoor thermal stratification characteristics were discussed. In addition, the effective heat coefficients of different simulated conditions were analyzed and compared. The results show that the strategy of dispersed outlets on ceiling can achieve the optimal natural ventilation effect. The results can provide theoretical references for the design of natural ventilation system in civil buildings.
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  Cite this Reference:
Xuemin Sui, Jianping Ma and Yanling Guan, 2013. Optimized Design of Outlets Layout in Thermal Pressure Naturally Ventilated Rooms.  Research Journal of Applied Sciences, Engineering and Technology, 5(11): 3124-3129.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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