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Investigating the impacts of included angles on flow and heat transfer in cross-corrugated triangular ducts with field synergy principle
Guangdong University of Education, Guangzhou, China.
South China University of Technology.
Mälardalens högskola, Akademin för ekonomi, samhälle och teknik.
2013 (engelsk)Inngår i: Thermal Science, ISSN 0354-9836, E-ISSN 2334-7163, Vol. 17, nr 3, s. 823-832Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Included angles (a) have vital effect on the flow and heat transfer in cross-corrugated triangular ducts. The friction factor and Nusselt number were estimated at different Reynolds numbers from both experiments and simulations. Results show that the flow in the duck with a = 90° has the largest friction factor and Nusselt number. However, the included angle influences the flow and heat transfer in cross-corrugated triangular ducts in different ways. The field synergy principle was used to explore the mechanism of the different impacts of the included angle. Results show that the flow in the cross-corrugated triangular duct with a = 90° has the smallest domain averaged included angle (bm), which implies the best synergy performance. The results of the field synergy principle were also validated by analyzing the performance evaluation criterion and studying the velocity vector and temperature distributions.

sted, utgiver, år, opplag, sider
2013. Vol. 17, nr 3, s. 823-832
Emneord [en]
cross-corrugated triangular channel, Field synergy principle, Iincluded angle
HSV kategori
Identifikatorer
URN: urn:nbn:se:mdh:diva-22816DOI: 10.2298/TSCI110628127CISI: 000323913100034Scopus ID: 2-s2.0-84886777072OAI: oai:DiVA.org:mdh-22816DiVA, id: diva2:664606
Tilgjengelig fra: 2013-11-15 Laget: 2013-11-15 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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