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J4  2012, Vol. 46 Issue (4): 658-664    DOI: 10.3785/j.issn.1008-973X.2012.04.013
Wind tunnel experimental study on single room ventilation
affected by miscellaneous factors
CHEN Yong1 , WANG Xu1, SUN Bing-nan1,2, LI Qing-xiang3, CHEN Shui-fu1
1.Institute of Structural Engineering, Zhejiang University, Hangzhou 310058, China; 2. School of Civil Engineering
and Architecture, Ningbo Institute of Technology, Zhejiang University, Ningbo 315100, China;
3.Guangdong Provincial Academy of Building Research, Guangdong 510500, China
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For single room, wind-driven ventilation is affected by miscellaneous factors simultaneously. The impact of wall porosity, the pressure difference between windward and leeward, area ratio of inlet to outlet and the relative position of windows on windward and leeward was analyzed through a series of wind tunnel experiments in association with numerical simulation. Then the empirical formula that described the relationship among the flow rate, wall porosity, and wind pressure difference was achieved. New parameter was involved in the formula to consider influence of inlet and outlet area ratio and the relative position of indoors on windward and leeward. Results show that flow rate rises proportionally to windward wall porosity and it becomes larger with the increase of wind pressure difference. If the total wall porosity is constant, the smaller the difference between the inlet and outlet area is the better ventilation can be attained.

Published: 17 May 2012
CLC:  TU 11  
Cite this article:

CHEN Yong, WANG Xu, SUN Bing-nan, LI Qing-xiang, CHEN Shui-fu. Wind tunnel experimental study on single room ventilation
affected by miscellaneous factors. J4, 2012, 46(4): 658-664.

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[1] FITZGERALD S D, WOODS A W. The influence of stacks on flow patterns and stratification associated with natural ventilation [J]. Building and Environment, 2008, 43(10): 1719-1733.
[2] MAZUMDAR S, CHEN Q. A onedimensional analytical model for airborne contaminant transport in airliner cabins [J]. Indoor Air, 2009, 19(1): 3-13.
[3] 龚光彩,李宏祥,白羽,等.建筑大孔口阻力特性与通风量计算[C]∥第7届全国风工程和工业空气动力学学术会议. 成都: 中国空气动力学会, 2006: 365-370.
GONG Guangcai, LI Hongxiang, BAI Yu, et al. Resistance characteristics of large openings and calculation of flow rate [C]∥Proceedings of the 7th China National Conference on Wind Engineering and Industrial Aerodynamics. Chengdu: Chinese Aerodynamics Research Society, 2006: 365-370.
[4] 朱佳仁,邱英浩,陈彦志,等.建筑物开口对风压通风影响之研究[J].中华民国建筑学会建筑学报, 2009, 69: 17-33.
ZHU Jiaren, QIU Yinghao, CHEN Yanzhi, et al. Influence of building opening on winddriven cross ventilation [J]. Journal of Architecture, 2009, 69: 17-33.
[5] OHBA M, IRIE K, KURABUCHI T. Study on airflow characteristics inside and outside a crossventilation model, and ventilation flow rates using wind tunnel experiments [J]. Journal of Wind Engineering and Industrial Aerodynamics, 2001, 89(14/15): 1513-1524.
[6] SAMIR S A. Computational study of natural ventilation [J]. Journal of Wind Engineering and Industrial Aerodynamics, 1999, 82(1/2/3): 49-68.
[7] JIANG Y, CHEN Q Y. Study of natural ventilation in buildings by large eddy simulation [J]. Journal of Wind Engineering and Industrial Aerodynamics, 2001, 89(13): 1155-1178.
[8] JIANG Y, ALEXANDER D, JENKINS H, et al. Natural ventilation in buildings: measurement in a wind tunnel and numerical simulation with largeeddy simulation [J]. Journal of Wind Engineering and Industrial Aerodynamics, 2003, 91(3): 331-353.
[9] STAVRAKAKIS G M, KOUKOU M K, VRACHOPOULOS M G, et al. Natural crossventilation in buildings: buildingscale experiments, numerical simulation and thermal comfort evaluation [J]. Energy and Buildings, 2008, 40 (9): 1666-1681.
[10] NIKAS K S, NIKOLOPOULOS N, NIKOLOPOULOS A. Numerical study of a naturally crossventilated building [J]. Energy and Buildings, 2010, 42(4): 422-434.
[11] KARAVA P, STATHOPOULOS T, ATHIENITIS A K. Windinduced natural ventilation analysis [J]. Solar Energy, 2007, 81(1): 20-30.
[12] 王怡,姚海兵,文福,等. 建筑开口率对自然通风流量系数的影响分析[J].工业建筑,2008,38(S1): 67-69.
WANG Yi, YAO Haibing, WEN Fu, et al. Analysis of influence of open rate of a building on discharge coefficient in natural ventilation [J]. Industrial Architecture, 2008, 38(S1): 67-69.
[13] 李先庭,赵彬. 室内空气流动数值模拟[M]. 北京:机械工业出版社,2009: 175.
[14] JOACHIM S, LI Y G, JAMES A, et al. Calculation of winddriven cross ventilation in buildings with large openings [J]. Journal of Wind Engineering and Industrial Aerodynamics, 2006, 94(12): 925-947.

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