Kara Tipi Ticari Büyük Ölçekli Rüzgâr Türbininin Aerodinamik Analizi

Year 2021, Volume: 36 Issue: 4, 965 - 977, 29.12.2021

Akın İlhan Mehmet Bilgili Melih Sarı Beşir Şahin

https://doi.org/10.21605/cukurovaumfd.1040660

Cited By: 1

Abstract

Bu çalışmada, kurulu bir rüzgâr santralinde (RES) çalışan yatay eksenli rüzgâr türbinlerinin yıllık aerodinamik özelliklerinin değişimleri kanat elemanı momentum teorisi ve açısal momentum teorisi yardımıyla detaylı olarak ortaya konmuştur. Bu amaçla, Türkiye'nin Hatay ilinde kurulu bir rüzgâr çiftliğinde yer alan, anma gücü 2 MW olan üç kanatlı tipte beş özdeş rüzgâr türbini seçilmiştir. Yatay eksenli rüzgar türbinlerinden elde edilen sonuçlara göre; anma gücü Pr=2 MW, yıllık ortalama türbin mekanik güç çıkışı (P), güç katsayısı (CP), serbest-akım rüzgar hızı (U∞) ve türbin rotor dönüş hızı (Ω) değerleri, sırasıyla, 672,68 kW, %30,80, 8,49 m/s ve 12,81 rpm olarak elde edilmiştir. Ayrıca, yıllık ortalama eksenel akış indüksiyon faktörü (a), itme katsayısı (CT), itme kuvveti (T) ve kanat ucu hız oranı (λ) değerleri, sırasıyla, 0,10, 0,34, 75,18 kN ve 6,57 olarak hesaplanmıştır.

Keywords

Aerodinamik karakteristikler, Kanat elemanı momentum teorisi, Enerji analizi

Aerodynamic Analysis of Onshore Commercial Large Scale Wind Turbine

Abstract

In this study, the variations of yearly aerodynamic characteristics of horizontal axis wind turbines operating in an installed wind power plant (WPP) in detail was revealed by means of the blade element momentum theory and angular momentum theory. For this aim, five identical wind turbines of the three-bladed type having rated power of 2 MW located in an installed wind farm in Hatay province of Turkey were selected. According to the results obtained from horizontal axis wind turbines having rated power of Pr=2 MW, annual average turbine mechanical power output (P), power coefficient (CP), free-stream wind speed (U∞), and turbine rotor rotational speed (Ω) were obtained as 672.68 kW, 30.80%, 8.49 m/s and 12.81 rpm, respectively. Moreover, annual average axial flow induction factor (a), thrust coefficient (CT), thrust force (T) and blade tip speed ratio (λ) were calculated as 0.10, 0.34, 75.18 kN and 6.57, respectively.

Keywords

Aerodynamic characteristics, Blade element momentum theories, Energy analysis

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