Natural-ventilation flow in a 3-D room fitted with solar chimney

Huynh, BP

Natural-ventilation flow in a 3-D room fitted with solar chimney

Huynh, BP

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Publication Type:: Conference Proceeding
Citation:: ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2012, 7 (PARTS A, B, C, D), pp. 755 - 760
Issue Date:: 2012-12-01

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Field	Value	Language
dc.contributor.author	Huynh, BP https://orcid.org/0000-0002-8786-8472	en_US
dc.date.issued	2012-12-01	en_US
dc.identifier.citation	ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE), 2012, 7 (PARTS A, B, C, D), pp. 755 - 760	en_US
dc.identifier.isbn	9780791845233	en_US
dc.identifier.uri	http://hdl.handle.net/10453/22264
dc.description.abstract	Natural-ventilation flow induced in a real-sized rectangular-box room fitted with a solar chimney on its roof is investigated numerically, using a commercial CFD (Computational Fluid Dynamics) software package. The chimney in turn is in the form of a parallel channel with one plate being subjected to uniform solar heat flux. Ventilation rate and air-flow pattern through the room are considered in terms of the heat flux for two different locations of the room's inlet opening. Chien's turbulence model of low-Reynolds-number K- ε is used in a Reynolds-Averaged Navier-Stokes (RANS) formulation. It is found that ventilation flow rate increases quickly with solar heat flux when this flux is low, but more gradually at higher flux. At low heat flux, ventilation rate is not significantly affected by location of the inlet opening to the room. On the other hand, at high heat flux, ventilation rate varies substantially with the opening's location. Location of the inlet opening to the room also affects strongly the air-flow pattern. In any case, ample ventilation rate is readily induced by the chimney. Copyright © 2012 by ASME.	en_US
dc.relation.ispartof	ASME International Mechanical Engineering Congress and Exposition, Proceedings (IMECE)	en_US
dc.relation.isbasedon	10.1115/IMECE2012-87455	en_US
dc.title	Natural-ventilation flow in a 3-D room fitted with solar chimney	en_US
dc.type	Conference Proceeding
utslib.citation.volume	PARTS A, B, C, D	en_US
utslib.citation.volume	7	en_US
utslib.for	080110 Simulation and Modelling	en_US
dc.location.activity	Houston, Texas, USA	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Mechanical and Mechatronic Engineering
utslib.copyright.status	closed_access
pubs.issue	PARTS A, B, C, D	en_US
pubs.publication-status	Published	en_US
pubs.volume	7	en_US

Abstract:

Natural-ventilation flow induced in a real-sized rectangular-box room fitted with a solar chimney on its roof is investigated numerically, using a commercial CFD (Computational Fluid Dynamics) software package. The chimney in turn is in the form of a parallel channel with one plate being subjected to uniform solar heat flux. Ventilation rate and air-flow pattern through the room are considered in terms of the heat flux for two different locations of the room's inlet opening. Chien's turbulence model of low-Reynolds-number K- ε is used in a Reynolds-Averaged Navier-Stokes (RANS) formulation. It is found that ventilation flow rate increases quickly with solar heat flux when this flux is low, but more gradually at higher flux. At low heat flux, ventilation rate is not significantly affected by location of the inlet opening to the room. On the other hand, at high heat flux, ventilation rate varies substantially with the opening's location. Location of the inlet opening to the room also affects strongly the air-flow pattern. In any case, ample ventilation rate is readily induced by the chimney. Copyright © 2012 by ASME.

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http://hdl.handle.net/10453/22264