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Heat transfer study in rotating cascade using IR thermography and CFD analyses
Novak, Lovrenc (Avtor), Mori, Mitja (Avtor), Sekavčnik, Mihael (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://dx.doi.org/10.1007/s00231-007-0269-0 Novo okno

Izvleček
This paper presents an experimental and CFD numerical study of convective heattransfer in a rotating cascade. Infrared thermography was used to measure surface temperature distribution on a rotating hollow blade, heated internallyby secondary air. A CFD numerical model was made according to the actual test rig geometry and operating conditions. Tests were carried out in an iposonic flow regime at relatively low fluid temperatures, with the rotational and Reynolds numbers varied and hot-to-cool air mass flow ratio kept constant. Experimental and numerical results for the blade pressure side are compared in terms of surface temperature 2D distribution and Nusselt number one-dimensional distribution along the blade midspan, providing a reasonable agreement.

Jezik:Angleški jezik
Ključne besede:prenos toplote, konvekcija, termografija infrardeča, numerične metode, Nusseltovo število, heat transfer, IR thermography, CFD numerical approach, Nusselt number
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Leto izida:2008
Št. strani:str. 559-567
Številčenje:Vol. 44, no. 5
UDK:544.344.016.2:543.572.3
ISSN pri članku:0947-7411
COBISS.SI-ID:10122011 Povezava se odpre v novem oknu
Število ogledov:546
Število prenosov:135
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
Skupna ocena:(0 glasov)
Vaša ocena:Ocenjevanje je dovoljeno samo prijavljenim uporabnikom.
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Gradivo je del revije

Naslov:Heat and mass transfer
Skrajšan naslov:Heat mass transf.
Založnik:Springer, Springer-Verl. New York
ISSN:0947-7411
COBISS.SI-ID:2053915 Novo okno

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