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Školjčni diagram aksialne turbine
Močnik, Jan (Author), Mori, Mitja (Mentor) More about this mentor... This link opens in a new window

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Abstract
V zaključni nalogi smo obravnavali karakteristike in postopek določanja karakteristik aksialne vodne turbine. Opazovali smo, kako se izhodna moč in izkoristek turbine spreminjata pri različnih obratovalnih pogojih. Meritve smo izvedli na modelnem preizkuševališču FM3SU, na katerem je bila nameščena modelna različica aksialne vodne turbine. Med preizkusom smo merili volumenski tok in tlak vode pred vstopom v turbino, vrtilno frekvenco gonilnika turbine ter zaviralno silo. Na podlagi meritev smo zasnovali diagrame karakteristik in školjčni diagram aksialne vodne turbine. Ugotovili smo, da se izhodna moč in izkoristek povečujeta z večanjem volumenskega toka vode in da največji izkoristek dosežemo pri polovični obremenitvi sistema. Nazadnje smo z analizo školjčnega diagrama uspešno določili območje optimalnega delovanja preizkušene turbine.

Language:Slovenian
Keywords:vodne turbine, aksialna turbina, obratovalne lastnosti, izkoristek, školjčni diagram
Work type:Bachelor thesis/paper (mb11)
Organization:FS - Faculty of Mechanical Engineering
Year:2017
Views:487
Downloads:147
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Secondary language

Language:English
Title:Hill chart of axial turbine
Abstract:
In the thesis we discussed the characteristics and the process of obtaining the characteristics of an axial water turbine. We observed the power and the efficiency of the water turbine changing with the change of operating conditions. All the measurements were obtained on model testbed FM3SU with axial water turbine. During the experiment we measured water volume flow and water inlet pressure before turbine, rotational speed of the turbine wheel and the breaking force. Based on the measurements and calculations characteristics diagrams and hill chart of an axial turbine were designed. We found out that the power and the efficiency of the axial water turbine is higher, with the increase of the water volume flow; furthermore we concluded that the maximum efficiency was reached, when the turbine was burdened with the half of breaking load. Finally, with the analysis of the hill chart, we determined the optimal work conditions of the tested axial water turbine.

Keywords:hill chart, axial water turbine, characteristics of an axial water turbine, efficiency

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