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Naslov:Coupled simulations of nozzle flow, primary fuel jet breakup, and spray formation
Avtorji:Berg, Eberhard von (Avtor)
Edelbauer, Wilfried (Avtor)
Alajbegović, Aleš (Avtor)
Tatschl, Reinhard (Avtor)
Volmajer, Martin (Avtor)
Kegl, Breda (Avtor)
Ganippa, Lionel C. (Avtor)
Datoteke:URL http://dx.doi.org/10.1115/1.1914803
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:Presented are two approaches for coupled simulations of the injector flow withspray formation. In the first approach the two-fluid model is used within the injector for the cavitating flow. A primary breakup model is then applied at the nozzle orifice where it is coupled with the standard discrete droplet model. In the second approach the Eulerian multi-fluid model is applied for both the nozzle and spray regions. The developed primary breakup model, used in both approaches, is based on locally resolved properties of the cavitating nozzle flow across the orifice cross section. The model provides the initial droplet size and velocity distribution for the droplet parcels released from the surface of a coherent liquid core. The major feature of the predictions obtained with the model is a remarkable asymmetry of the spray. This asymmetryis in agreement with the recent observations at Chalmers University where they performed experiments using a transparent model scaled-up injector.The described model has been implemented into AVL FIRE computational fluid dynamics code which was used to obtain all the presented results.
Ključne besede:internal combustion engines, fuel injection, simulations
Leto izida:2005
UDK:621.43.038
COBISS_ID:9921046 Povezava se odpre v novem oknu
ISSN pri članku:0742-4795
NUK URN:URN:SI:UM:DK:GY5G6C4P
Število ogledov:879
Število prenosov:52
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
Področja:Ostalo
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Gradivo je del revije

Naslov:Journal of engineering for gas turbines and power
Skrajšan naslov:J. eng. gas turbine power
Založnik:American Society of Mechanical Engineers
ISSN:0742-4795
COBISS.SI-ID:6401543 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:motorji z notranjim zgorevanjem, vbrizgavanje gorva, simulacije


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