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Article: Prediction of natural ventilation in buildings with large openings

TitlePrediction of natural ventilation in buildings with large openings
Authors
Issue Date2000
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenv
Citation
Building And Environment, 2000, v. 35 n. 3, p. 191-206 How to Cite?
AbstractThis paper first presents a consistent pressure-based formulation for natural ventilation of single-zone and multi-zone buildings with multiple openings. Pressure-based multi-zone formulation is made easier to implement by introducing an auxiliary concept of external pressure, which allows all the formulas to be presented in an integrated form. Multi-zone situations considered include vertically interconnected zones, and horizontally interconnected zones with same heights and different heights. The formulation includes the combined effect of wind, thermal buoyancy and mechanical ventilation, and it can be used for both external and internal large openings. A simple and easy implementation method was then presented. Single-zone and multi-zone analytical solutions are revisited or developed by the pressure-based formulations and used for the validation of the implementation method. A CFD method is also used to cross-check the implementation method in a single-zone building with very large external openings. A reasonable agreement has been found between the results predicted by the pressure-based formulation and those predicted by the analytical solutions and CFD methods. | This paper first presents a consistent pressure-based formulation for natural ventilation of single-zone and multi-zone buildings with multiple openings. Pressure-based multi-zone formulation is made easier to implement by introducing an auxiliary concept of external pressure, which allows all the formulas to be presented in an integrated form. Multi-zone situations considered include vertically interconnected zones, and horizontally interconnected zones with same heights and different heights. The formulation includes the combined effect of wind, thermal buoyancy and mechanical ventilation, and it can be used for both external and internal large openings. A simple and easy implementation method was then presented. Single-zone and multi-zone analytical solutions are revisited or developed by the pressure-based formulations and used for the validation of the implementation method. A CFD method is also used to cross-check the implementation method in a single-zone building with very large external openings. A reasonable agreement has been found between the results predicted by the pressure-based formulation and those predicted by the analytical solutions and CFD methods.
Persistent Identifierhttp://hdl.handle.net/10722/156548
ISSN
2015 Impact Factor: 3.394
2015 SCImago Journal Rankings: 2.121
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorLi, Yen_US
dc.contributor.authorDelsante, Aen_US
dc.contributor.authorSymons, Jen_US
dc.date.accessioned2012-08-08T08:42:54Z-
dc.date.available2012-08-08T08:42:54Z-
dc.date.issued2000en_US
dc.identifier.citationBuilding And Environment, 2000, v. 35 n. 3, p. 191-206en_US
dc.identifier.issn0360-1323en_US
dc.identifier.urihttp://hdl.handle.net/10722/156548-
dc.description.abstractThis paper first presents a consistent pressure-based formulation for natural ventilation of single-zone and multi-zone buildings with multiple openings. Pressure-based multi-zone formulation is made easier to implement by introducing an auxiliary concept of external pressure, which allows all the formulas to be presented in an integrated form. Multi-zone situations considered include vertically interconnected zones, and horizontally interconnected zones with same heights and different heights. The formulation includes the combined effect of wind, thermal buoyancy and mechanical ventilation, and it can be used for both external and internal large openings. A simple and easy implementation method was then presented. Single-zone and multi-zone analytical solutions are revisited or developed by the pressure-based formulations and used for the validation of the implementation method. A CFD method is also used to cross-check the implementation method in a single-zone building with very large external openings. A reasonable agreement has been found between the results predicted by the pressure-based formulation and those predicted by the analytical solutions and CFD methods. | This paper first presents a consistent pressure-based formulation for natural ventilation of single-zone and multi-zone buildings with multiple openings. Pressure-based multi-zone formulation is made easier to implement by introducing an auxiliary concept of external pressure, which allows all the formulas to be presented in an integrated form. Multi-zone situations considered include vertically interconnected zones, and horizontally interconnected zones with same heights and different heights. The formulation includes the combined effect of wind, thermal buoyancy and mechanical ventilation, and it can be used for both external and internal large openings. A simple and easy implementation method was then presented. Single-zone and multi-zone analytical solutions are revisited or developed by the pressure-based formulations and used for the validation of the implementation method. A CFD method is also used to cross-check the implementation method in a single-zone building with very large external openings. A reasonable agreement has been found between the results predicted by the pressure-based formulation and those predicted by the analytical solutions and CFD methods.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenven_US
dc.relation.ispartofBuilding and Environmenten_US
dc.titlePrediction of natural ventilation in buildings with large openingsen_US
dc.typeArticleen_US
dc.identifier.emailLi, Y:liyg@hkucc.hku.hken_US
dc.identifier.authorityLi, Y=rp00151en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0360-1323(99)00011-6en_US
dc.identifier.scopuseid_2-s2.0-0034008868en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0034008868&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume35en_US
dc.identifier.issue3en_US
dc.identifier.spage191en_US
dc.identifier.epage206en_US
dc.identifier.isiWOS:000084565900002-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLi, Y=7502094052en_US
dc.identifier.scopusauthoridDelsante, A=6602133488en_US
dc.identifier.scopusauthoridSymons, J=7102740086en_US

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