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Analiza in primerjava karakteristik klasičnega in toroidalnega propelerja
ID Zupan, Anton (Author), ID Brojan, Miha (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrski nalogi smo izvedli primerjavo in analizo klasične in toroidalne vetrnice za aplikacijo vetrne turbine. Najprej smo izpopolnili merilno mesto iz diplomske naloge z izboljšanjem togosti konstrukcije. Nato smo izvedli eksperimentalne meritve sile, hitrosti zraka, hrupa in števila obratov ter iz teh podatkov izračunali navor, kotno hitrost in moč oziroma koeficient moči. Vzporedno smo v programskem okolju Ansys izvedli analizo CFD za oba modela pri enakih robnih pogojih. Dokazali smo, da toroidalna vetrnica proizvede večjo moč pri enakih pogojih oziroma ima večji izkoristek. Pri nizkih vrtljajih generira manj hrupa kot klasična vetrnica. Na koncu smo z analizo tokovnic hitrosti pokazali, da je velikost vrtinčenja na konicah toroidalne vetrnice manj intenzivna kot pri klasični.

Language:Slovenian
Keywords:aerodinamika, vetrna turbina, vetrnica, analiza CFD, vetrovnik, koeficient moči
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Year:2025
Number of pages:XX, 58 str.
PID:20.500.12556/RUL-171366 This link opens in a new window
UDC:621.548.4:533.6.075:519.6(043.2)
COBISS.SI-ID:246960643 This link opens in a new window
Publication date in RUL:23.08.2025
Views:173
Downloads:35
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Secondary language

Language:English
Title:Analysis and comparison of classic and toroidal propeller characteristics
Abstract:
In the master thesis, we compared and analyzed classic and toroidal wind turbines for wind turbine applications. First, we improved the measuring station from the bachelor thesis by improving the rigidity of the structure. Then, we did some experimental measurements of force, air speed, noise, and number of revolutions, and used this data to calculate torque, angular velocity, and power or power coefficient. In parallel, we performed a CFD analysis for both models under the same boundary conditions in the Ansys software environment. We demonstrated that the toroidal wind turbine produces more power under the same conditions and has greater efficiency. At low speeds, it generates less noise than a conventional wind turbine. Finally, we used velocity streamline analysis to show that the size of the vortex at the tips of the toroidal wind turbine is less intense than that of a conventional wind turbine.

Keywords:aerodynamics, wind turbine, windmill, CFD analysis, wind tunnels, power coefficient

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