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Article: An experimental investigation of a solar chimney model with uniform wall heat flux

TitleAn experimental investigation of a solar chimney model with uniform wall heat flux
Authors
KeywordsExperimental study
Natural ventilation
Solar chimney
Temperature measurement
Velocity measurement
Issue Date2003
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenv
Citation
Building And Environment, 2003, v. 38 n. 7, p. 893-906 How to Cite?
AbstractExperiments were carried out using an experimental solar chimney model with uniform heat flux on one chimney wall with a variable chimney gap-to-height ratio between 1:15 and 2:5 and different heat flux and inclination angles. Results showed that a maximum airflow rate was achieved at an inclination angle around 45° for a 200 mm gap and 1.5 m high chimney, and the airflow rate is about 45% higher than that for a vertical chimney at otherwise identical conditions. It was found that the prediction method available in the literature can substantially overpredict the airflow rate for the chimney geometry investigated in this work, especially for vertical chimneys with large gaps. The main reason for the overprediction of airflow rate was shown due to the underestimation of the pressure losses at the chimney outlet by using loss coefficients obtained for normal forced flows. © 2003 Elsevier Science Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/75845
ISSN
2015 Impact Factor: 3.394
2015 SCImago Journal Rankings: 2.121
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorChen, ZDen_HK
dc.contributor.authorBandopadhayay, Pen_HK
dc.contributor.authorHalldorsson, Jen_HK
dc.contributor.authorByrjalsen, Cen_HK
dc.contributor.authorHeiselberg, Pen_HK
dc.contributor.authorLi, Yen_HK
dc.date.accessioned2010-09-06T07:15:07Z-
dc.date.available2010-09-06T07:15:07Z-
dc.date.issued2003en_HK
dc.identifier.citationBuilding And Environment, 2003, v. 38 n. 7, p. 893-906en_HK
dc.identifier.issn0360-1323en_HK
dc.identifier.urihttp://hdl.handle.net/10722/75845-
dc.description.abstractExperiments were carried out using an experimental solar chimney model with uniform heat flux on one chimney wall with a variable chimney gap-to-height ratio between 1:15 and 2:5 and different heat flux and inclination angles. Results showed that a maximum airflow rate was achieved at an inclination angle around 45° for a 200 mm gap and 1.5 m high chimney, and the airflow rate is about 45% higher than that for a vertical chimney at otherwise identical conditions. It was found that the prediction method available in the literature can substantially overpredict the airflow rate for the chimney geometry investigated in this work, especially for vertical chimneys with large gaps. The main reason for the overprediction of airflow rate was shown due to the underestimation of the pressure losses at the chimney outlet by using loss coefficients obtained for normal forced flows. © 2003 Elsevier Science Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/buildenven_HK
dc.relation.ispartofBuilding and Environmenten_HK
dc.subjectExperimental studyen_HK
dc.subjectNatural ventilationen_HK
dc.subjectSolar chimneyen_HK
dc.subjectTemperature measurementen_HK
dc.subjectVelocity measurementen_HK
dc.titleAn experimental investigation of a solar chimney model with uniform wall heat fluxen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0360-1323&volume=38&spage=893&epage=906&date=2003&atitle=An+experimental+investigation+of+a+solar+chimney+model+with+uniform+wall+heat+fluxen_HK
dc.identifier.emailLi, Y:liyg@hkucc.hku.hken_HK
dc.identifier.authorityLi, Y=rp00151en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0360-1323(03)00057-Xen_HK
dc.identifier.scopuseid_2-s2.0-0038115404en_HK
dc.identifier.hkuros91028en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038115404&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume38en_HK
dc.identifier.issue7en_HK
dc.identifier.spage893en_HK
dc.identifier.epage906en_HK
dc.identifier.isiWOS:000183587000003-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridChen, ZD=38163292500en_HK
dc.identifier.scopusauthoridBandopadhayay, P=6701448565en_HK
dc.identifier.scopusauthoridHalldorsson, J=6505819290en_HK
dc.identifier.scopusauthoridByrjalsen, C=6603202054en_HK
dc.identifier.scopusauthoridHeiselberg, P=6602100825en_HK
dc.identifier.scopusauthoridLi, Y=7502094052en_HK

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