| | SLO | ENG | Cookies and privacy

Bigger font | Smaller font

Show document

Title:Numerična analiza kavitacije v toku okoli valjaste ovire
Authors:Skerbiš, Primož (Author)
Biluš, Ignacijo (Mentor) More about this mentor... New window
Širok, Brane (Co-mentor)
Files:.pdf UNI_Skerbis_Primoz_2014.pdf (2,46 MB)
MD5: 990E81F81659675C1C7B6C782E99DD75
 
Language:Slovenian
Work type:Bachelor thesis/paper (mb11)
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:V diplomskem delu so predstavljeni rezultati numerične simulacije in podana njihova primerjava za tri različne kavitacijske obratovalne režime. Podatki za primerjavo numeričnih rezultatov izhajajo iz predhodno opravljenega eksperimenta na laboratorijski merilni progi. Primerjava temelji na vizualni primerjavi kavitacijskih oblakov, tlačnih polj in nihanja tlaka za oviro. Podrobneje smo si ogledali tudi hitrostno polje v brazdi, kjer smo zaznali nastanek Karmanove vrtinčne strukture. Za simulacijo tokovnih razmer in kavitacije je bil uporabljen programski paket Ansys CFX 14. Ugotovitve kažejo zadovoljivo ujemanje numeričnih in eksperimentalnih rezultatov. Za natančnejšo kvantitativno primerjavo bi bilo začeto delo smiselno nadaljevati v smeri izboljšanja prenosne enačbe homogenega modela ali pa z uporabo zahtevnejših npr. dvo-enačbnih modelov.
Keywords:kavitacija, numerična simulacija, homogen dvofazni model
Year of publishing:2014
Publisher:[P. Skerbiš]
Source:Maribor
UDC:[519.6+004.94]:532.528(043.2)
COBISS_ID:18409494 New window
NUK URN:URN:SI:UM:DK:P31WRQND
Views:905
Downloads:87
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FS
:
  
Average score:(0 votes)
Your score:Voting is allowed only for logged in users.
Share:AddThis
AddThis uses cookies that require your consent. Edit consent...

Hover the mouse pointer over a document title to show the abstract or click on the title to get all document metadata.

Secondary language

Language:English
Title:Numerical analysis of cavitation on bluff body
Abstract:This thesis presents the results of numerical simulation and the comparison for three different operating regimes of cavitation. Input data for simulation of cavitation had already existed and were derived from a previously performed experiment on cavitation station. The comparison is based on a visual comparison of cavitation clouds, pressure fields and pressure fluctuations behind the bluff body. We closely examined the velocity field in the groove, where we detected the formation of Karmana vortex street. Software package Ansys CFX 14 was used for simulation of flow conditions and cavitation. The findings show satisfactory match between numerical and experimental results. For a more detailed quantitative comparison it would make sense to continue the work in the direction of improving the transmission equation of homogeny model or by using more complex two equation models.
Keywords:cavitation, numerical simulation, homogeneus two-phase model


Comments

Leave comment

You have to log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back
Logos of partners University of Maribor University of Ljubljana University of Primorska University of Nova Gorica