Volume 17, Issue 9 (11-2017)
Modares Mechanical Engineering 2017, 17(9): 75-85 |
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Ghasemi Bousejin M R, jafari A, Mohtasebi S S, gharali K. Numerical simulation of wind turbine in Manjil wind farm considering wind regime study. Modares Mechanical Engineering 2017; 17 (9) :75-85
URL: http://mme.modares.ac.ir/article-15-1714-en.html
URL: http://mme.modares.ac.ir/article-15-1714-en.html
1- Department of Agricultural Machinery Engineering, University of Tehran, Iran
2- tehran university
3- University of Tehran
2- tehran university
3- University of Tehran
Abstract: (6094 Views)
Research on atmospheric boundary layers in wind farms is an important task. Especially, wind effect on wind turbines installed in mountainous area with complex terrain is complicated. In this research, the wake of a wind turbine and wind flow in complex terrain have studied with computational fluid dynamic (CFD) method in OpenFOAM software. Actuator-disk model with introducing forces, based on Blade Element Momentum Theory, on the disk are used. For simulation of wind turbine in wind farm, Reynolds averaged Navier Stokes equation with k-ɛ turbulence model has been used. Structured mesh was used for simulation domain. Also, main wind direction has been determined from North toward south considering wind rose of area. One of wind turbines is studied by detail. The numerical results show an extended wake effect around 5d (five times the rotor diameter). Wind speed deficit is 26% at this distance. Captured wind power from the simulation is close to real data. Also, wind regime has been studied and analyzed for different seasons. For November, December and January, the time period that wind blows in effective speed, is decreased less than %50 which is important in wind farm design and operation.
Article Type: Research Article |
Subject:
other......
Received: 2017/06/20 | Accepted: 2017/07/25 | Published: 2017/09/1
Received: 2017/06/20 | Accepted: 2017/07/25 | Published: 2017/09/1
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