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Title:Vpliv tolerančnih razredov na zmogljivost ladijskega vijaka : diplomsko delo
Authors:ID Vobner, Jure (Author)
ID Biluš, Ignacijo (Mentor) More about this mentor... New window
ID Zadravec, Matej (Comentor)
Files:.pdf UN_Vobner_Jure_2021.pdf (7,71 MB)
MD5: 1BCB8197AD67176A26DCC520786F26BA
PID: 20.500.12556/dkum/1959e986-f538-402c-b88b-eb78cdb38255
 
.zip UN_Vobner_Jure_2021.zip (11,12 MB)
MD5: 34F7641C06A48C1F150C45576B41CCA5
PID: 20.500.12556/dkum/6f8cddb0-e099-4df9-ba46-0f66f30378d4
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Diplomsko delo s pomočjo računalniške dinamike tekočin (CFD) obravnava deviacije v obratovanju ladijskega vijaka, kot posledico nenatančnosti izdelave. Predstavljene so vse geometrijske lastnosti in njihov vpliv na obratovanje, kratko je povzet standard kateri zavzema kontrolo geometrije. Izvedena je analiza vpliva računske mreže na rezultate, pridobljena je najbolj optimalna vrsta te mreže na podlagi konvergence in primerjave rezultatov z empiričnimi izračuni. Postavljen je enak numerični eksperiment za vse tolerančne razrede. Vse skupaj se zaključi z povezavo numeričnih in realnih rezultatov preko porabe goriva. Na podlagi ugotovitve je ovrednotena natančnost numeričnega eksperimenta in tako podan zaključek.
Keywords:Ladijski vijak, računalniška dinamika tekočin, zmogljivostne karakteristike, ISO 484, optimizacija, poraba goriva
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[J. Vobner]
Year of publishing:2021
Number of pages:XII, 43 str., [29] f. pril.
PID:20.500.12556/DKUM-79810 New window
UDC:519.6:629.5.035.5(043.2)
COBISS.SI-ID:100762371 New window
Publication date in DKUM:08.09.2021
Views:1113
Downloads:122
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-ND 4.0, Creative Commons Attribution-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nd/4.0/
Description:Under the NoDerivatives Creative Commons license one can take a work released under this license and re-distribute it, but it cannot be shared with others in adapted form, and credit must be provided to the author.
Licensing start date:18.08.2021

Secondary language

Language:English
Title:Impact of manufacturing tolerances on marine propeller performance
Abstract:Work done in this paper covers preparations and construction of Computational Fluid Dynamics (CFD) analysis in need to observe the open water performance deviation as result of insufficient manufactured quality. Furthermore, we evaluate geometric influences on marine propeller performance regarding ISO 484 standard tolerance Classes. In addition, sizing effect of tetrahedral mesh is considered. With help of empirical calculations and convergence criterium we get sufficient mesh to work on. Considering all this, we define CFD experiment in equal definition for all tolerance Classes. At the end all obtained data is compared with real size experiment reference. Finally, connection between real and numerical experiment is made, for future anticipation in fuel consumption improvement.
Keywords:Marine propeller, CFD, open water performance, ISO 484, optimization, fuel efficiency


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