Experimental investigation of local heat transfer in a square duct with continuous and truncated large ribs

Lei Wang, Bengt Sundén

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

Sammanfattning

Repeated ribs are frequently employed to promote turbulence and to enhance heat transfer in various ducts. In the present study, liquid crystal thermography was applied to the study of heat transfer from a square channel having one surface heated at uniform heat flux and roughened by repeated ribs. The continuous and truncated ribs, having square sections, with height-to-hydraulic diameter ratio of 0.15, were deployed normal to the mainstream direction of flow. Detailed distributions of the local heat transfer coefficient were obtained at various Reynolds number within the turbulent flow regime. Averaged data were calculated in order to evaluate the augmentation of heat transfer by the presence of different ribs. Copyright
Originalspråkengelska
Titel på värdpublikationAmerican Society of Mechanical Engineers, Heat Transfer Division, (Publication) HTD
FörlagAmerican Society Of Mechanical Engineers (ASME)
Sidor589-597
Volym375
StatusPublished - 2004
EvenemangASME International Mechanical Engineering Congress and Exposition, 2004 - Anaheim, CA, USA
Varaktighet: 2004 nov. 132004 nov. 19

Publikationsserier

Namn
Nummer1
Volym375
ISSN (tryckt)0272-5673

Konferens

KonferensASME International Mechanical Engineering Congress and Exposition, 2004
Förkortad titelIMECE2004
Land/TerritoriumUSA
OrtAnaheim, CA
Period2004/11/132004/11/19

Ämnesklassifikation (UKÄ)

  • Energiteknik

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