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Influencing Factors of the Thermal Environment of Atrium Based on the Orthogonal Analysis Method |
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Abstract: Atrium thermal amenity is determined by many factors, as were investigated widely both at home and abroad. But the relationship and interactions between these factors have not been well studied. In this paper, three thermal environment influencing factors: the cross section area of atrium, the outdoor air temperature and the top skylight opening percentage are orthogonally analyzed. First, the experimentation is designed by using the method of orthogonal analysis. Then numerical simulations are carried out according to different test conditions, and simulation results are orthogonally analyzed. The results indicate that the top skylight opening percentage has the greatest impact on the airflow volume of atrium, the section area of atrium plays a secondary role, and outdoor air temperature is relatively less important. But the outdoor air temperature is an important influencing factor on the temperature distribution in atrium. This analysis provides a scientific basis for the rational engineering design and operation management. Proposals for improving the thermal amenity and energy efficiency for the completed building are also given.
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Received: 01 July 2010
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Corresponding Authors:
Peizhe Tian
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