Приказ основних података о документу
Numeričko i analitičko određivanje performansi vetroturbina sa vertikalnom osom obrtanja
Numerical and analytical investigation of vertical axis wind turbine
dc.creator | Biadgo, Mulugeta Asress | |
dc.creator | Simonović, Aleksandar | |
dc.creator | Komarov, Dragan | |
dc.creator | Stupar, Slobodan | |
dc.date.accessioned | 2022-09-19T17:16:52Z | |
dc.date.available | 2022-09-19T17:16:52Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 1451-2092 | |
dc.identifier.uri | https://machinery.mas.bg.ac.rs/handle/123456789/1782 | |
dc.description.abstract | Većina istraživanja vezanih za vetroturbine su fokusirana na precizno određivanje njihove efikasnosti. U radu je istaknut napredak koji je ostvaren u razvoju aerodinamičkih modela za analizu vetroturbina sa vertikalnom osom obrtanja, analizi strujanja vazduha kroz strujne cevi. Izvedena je numerička i analitička analiza performansi za nevitoperenu NACA0012 lopaticu vetroturbine sa vertikalnom osom obrtanja. Numerička simulacija je urađena za nestacionarno, dvodimenziono strujanje oko modela vetroturbine sa vertikalnom osom obrtanja pomoću softvera FLUENT rešavanjem Rejnoldsovih jednačina. Naposletku, izvršeno je poređenje rezultata dobijenih primenom CFD-a i DMST analitičkog modela. Rezultati dobijeni na ova dva načina su ukazali na postojanje minimalnih ili negativnih obrtnih momenata i performansi pri niskim koeficijentima rada rotora, što implicira otežano samopokretanje rotora analizirane konfiguracije sa NACA0012 aeroprofilom. | sr |
dc.description.abstract | The majority of wind turbine research is focused on accurately efficiency prediction. This work highlights the progress made in the development of aerodynamic models for studying Vertical-Axis Wind Turbines (VAWTs) with particular emphasis on stream tube approach. Numerical and analytical investigation is conducted on straight blade fixed pitch VAWT using NACA0012 airfoil as a blade profile to assess its performance. Numerical simulation is done for two-dimensional unsteady flow around the same VAWT model using ANSYS FLUENT by solving Reynolds- averaged Navier-Stokes equations. Finally, comparison of the analytical results using double multiple stream tube (DMST) model with computational fluid dynamics (CFD) simulation has been done. Both the CFD and DMST results have shown minimum and/or negative torque and performance at lower tip speed ratios for the modeled turbine, which implies the inability of NACA0012 to self start. | en |
dc.publisher | Univerzitet u Beogradu - Mašinski fakultet, Beograd | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | FME Transactions | |
dc.subject | Vertical Axis Wind Turbine | en |
dc.subject | Momentum model | en |
dc.subject | CFD | en |
dc.subject | airfoil | en |
dc.title | Numeričko i analitičko određivanje performansi vetroturbina sa vertikalnom osom obrtanja | sr |
dc.title | Numerical and analytical investigation of vertical axis wind turbine | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.epage | 58 | |
dc.citation.issue | 1 | |
dc.citation.other | 41(1): 49-58 | |
dc.citation.rank | M24 | |
dc.citation.spage | 49 | |
dc.citation.volume | 41 | |
dc.identifier.fulltext | http://machinery.mas.bg.ac.rs/bitstream/id/607/1779.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_machinery_1782 | |
dc.identifier.scopus | 2-s2.0-84877076118 | |
dc.type.version | publishedVersion |