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Title: Natural ventilation performance of classroom with solar chimney system
Authors: Tan, A.Y.K.
Wong, N.H. 
Keywords: Inlet's position
Natural ventilation
Solar chimney
Zero Energy Building
Issue Date: 2012
Citation: Tan, A.Y.K., Wong, N.H. (2012). Natural ventilation performance of classroom with solar chimney system. Energy and Buildings 53 : 19-27. ScholarBank@NUS Repository.
Abstract: The considered Zero Energy Building is a three-story building located in Singapore which was recently retrofitted in 2009 with a range of green features. A solar chimney system was constructed to enhance the air ventilation within the interior spaces using a series of solar assisted ducts that linked the lower floor classrooms and upper floor hall. The mechanism of the solar chimney system is explained in detail and experiments conducted separated the classroom into experimental and reference regions of similar volumes. Results showed that the solar chimney system is operating well in the hot and humid tropics, including cooler days. Furthermore, the presence of the solar chimney system effectively caused the interior air speed of the experimental region to reach a maximum of 0.49 m/s and the interior air temperature to heat up slower and cool down faster by 1-2 h as compared to the reference region. Lastly, the position of the solar chimney's inlet within the classroom was found to be significant; lowering it to occupancy's height of 1.20 m increased the interior air speed to a maximum of 0.60 m/s. © 2012 Elsevier B.V.
Source Title: Energy and Buildings
ISSN: 03787788
DOI: 10.1016/j.enbuild.2012.06.010
Appears in Collections:Staff Publications

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