Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes
The wind turbine wakes impact the efficiency and lifespan of the wind farm. Therefore, to improve the wind plant performance, research on wind plant control is essential. The actuator line model (ALM) is proposed to simulate the wind turbine efficiently. This research investigates the National Renew...
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MDPI AG
2018-03-01
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Series: | Applied Sciences |
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Online Access: | http://www.mdpi.com/2076-3417/8/3/434 |
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author | Ziying Yu Xing Zheng Qingwei Ma |
author_facet | Ziying Yu Xing Zheng Qingwei Ma |
author_sort | Ziying Yu |
collection | DOAJ |
description | The wind turbine wakes impact the efficiency and lifespan of the wind farm. Therefore, to improve the wind plant performance, research on wind plant control is essential. The actuator line model (ALM) is proposed to simulate the wind turbine efficiently. This research investigates the National Renewable Energy Laboratory 5 Million Watts (NREL 5-MW) wind turbine wakes with Open Field Operation and Manipulation (OpenFOAM) using ALM. Firstly, a single NREL 5-MW turbine is simulated. The comparison of the power and thrust with Fatigue, Aerodynamics, Structures, and Turbulence (FAST) shows a good agreement below the rated wind speed. The information relating to wind turbine wakes is given in detail. The top working status is proved at the wind speed of 8 m/s and the downstream distance of more than 5 rotor diameters (5D). Secondly, another case with two NREL 5-MW wind turbines aligned is also carried out, in which 7D is validated as the optimum distance between the two turbines. The result also shows that the upstream wind turbine has an obvious influence on the downstream one. |
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spelling | doaj.art-3f87f799de5949deb3c38b80795b6fd92022-12-21T16:54:05ZengMDPI AGApplied Sciences2076-34172018-03-018343410.3390/app8030434app8030434Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine WakesZiying Yu0Xing Zheng1Qingwei Ma2College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, ChinaCollege of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, ChinaCollege of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, ChinaThe wind turbine wakes impact the efficiency and lifespan of the wind farm. Therefore, to improve the wind plant performance, research on wind plant control is essential. The actuator line model (ALM) is proposed to simulate the wind turbine efficiently. This research investigates the National Renewable Energy Laboratory 5 Million Watts (NREL 5-MW) wind turbine wakes with Open Field Operation and Manipulation (OpenFOAM) using ALM. Firstly, a single NREL 5-MW turbine is simulated. The comparison of the power and thrust with Fatigue, Aerodynamics, Structures, and Turbulence (FAST) shows a good agreement below the rated wind speed. The information relating to wind turbine wakes is given in detail. The top working status is proved at the wind speed of 8 m/s and the downstream distance of more than 5 rotor diameters (5D). Secondly, another case with two NREL 5-MW wind turbines aligned is also carried out, in which 7D is validated as the optimum distance between the two turbines. The result also shows that the upstream wind turbine has an obvious influence on the downstream one.http://www.mdpi.com/2076-3417/8/3/434wind turbine wakesALMNREL 5-MWOpenFOAMtwo wind turbines |
spellingShingle | Ziying Yu Xing Zheng Qingwei Ma Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes Applied Sciences wind turbine wakes ALM NREL 5-MW OpenFOAM two wind turbines |
title | Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes |
title_full | Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes |
title_fullStr | Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes |
title_full_unstemmed | Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes |
title_short | Study on Actuator Line Modeling of Two NREL 5-MW Wind Turbine Wakes |
title_sort | study on actuator line modeling of two nrel 5 mw wind turbine wakes |
topic | wind turbine wakes ALM NREL 5-MW OpenFOAM two wind turbines |
url | http://www.mdpi.com/2076-3417/8/3/434 |
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