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Topic

Renewable energies

Volume

Volume 62 / No.3 / 2020

Pages : 325-333

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NUMERICAL 3D ANALYSIS OF A MINI WIND TURBINE WITH HORIZONTAL AXIS, FOR IMPLEMENTATION IN AGRICULTURAL FARMS

ANALIZA NUMERICA 3D A UNEI TURBINE EOLIENE DE PUTERE MICA CU AX ORIZONTAL IN VEDEREA IMPLEMENTARII IN FERMELE AGRICOLE

DOI : https://doi.org/10.35633/inmateh-62-34

Authors

George Ipate

Universities Polytechnic Bucharest, Faculty of Biotechnical Systems Engineering / Romania

Gabriel Alexandru Constantin

Universities Polytechnic Bucharest, Faculty of Biotechnical Systems Engineering / Romania

Sorin Stefan Biris

Universities Polytechnic Bucharest, Faculty of Biotechnical Systems Engineering / Romania

Gheorghe Voicu

Universities Polytechnic Bucharest, Faculty of Biotechnical Systems Engineering / Romania

Carmen Otilia Rusanescu

Universities Polytechnic Bucharest, Faculty of Biotechnical Systems Engineering / Romania

(*) Vasilica Stefan

National Institute for Research-Development of Machines and Installations Designed for Agriculture and Food Industry - INMA Bucharest

(*) Corresponding authors:

[email protected] |

Vasilica Stefan

Abstract

The purpose of this paper is the numerical study of the effects of the fluid interaction with the blades of the working bodies of the renewable energy conversion systems. The paper presents the results of numerical research regarding the influence of the blade shape (straight), the number of blades (2, 3, 4) or the wind speed in the area on the output power of the small capacity wind turbines. The validation of the simulation data was performed by comparison with the experimental data obtained on a Windtrainer Junior laboratory wind energy system. Computed power coefficients are in good agreement with the experimental results. Increasing the efficiency of energy conversion for small wind turbines for their implementation in green farms represents a significant step in the concept of sustainable rural development.

Abstract in Romanian, Moldavian, Moldovan

Scopul acestei lucrări este studiul numeric al efectelor interacțiunii fluidului cu lamele corpurilor de lucru ale sistemelor de conversie a energiei regenerabile. Lucrarea prezintă rezultatele cercetărilor numerice cu privire la influența formei lamei (drepte), numărul de pale (2, 3, 4) sau viteza vântului în zona pe puterea de ieșire a turbinelor eoliene de mică capacitate. Validarea datelor simulate a fost efectuată prin comparație cu datele experimentale obținute pe un sistem de energie eoliană de laborator Windtrainer Junior. Coeficienții de putere calculați sunt în acord cu rezultatele experimentale. Creșterea eficienței conversiei energiei pentru turbinele eoliene mici pentru implementarea lor în ferme ecologice reprezintă un pas semnificativ în conceptul de dezvoltare rurală durabilă.

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