Savanur, RA and Mudkavi, Vidyadhar Y (2008) Aeroelastic study of wind turbine blade. In: Proceedings of the International Conference on Aerospace Science and Technology (INCAST 2008-123), 26-28 Jun 2008, Bangalore, India.
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Abstract
In the upper latitudes, wind turbines provide an effective means to generate wind power. However, owing to the fact that wind speeds are almost half in the tropical regions, wind turbines are yet to make significant penetration in tropical countries. Even 500 kW turbines tend to be large and slender. Such structures are known to be quite flexible. It is often not necessary to stiffen them excessively owing to weight penalty which also results in other problems like increased tower thrust and higher cut in speed. In the present paper, we present results of aeroelastic studies of low speed 500 kW wind turbine being developed by the National Aerospace Laboratories custom designed for tropical regions. The airloads are estimated using in-house developed Panel Method (inviscid) and the structural deformations are computed using ANSYS. The results indicate that the power output is affected by flexibility. Depending on the wind speed, the power generated actually may increase.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Additional Information: | Copyright for this article belongs to National Aerospace Laboratories |
| Uncontrolled Keywords: | Wind turbine blade;ANSYS;Wind speed |
| Subjects: | AERONAUTICS > Aeronautics (General) |
| Depositing User: | Ms. Alphones Mary |
| Date Deposited: | 24 Mar 2009 |
| Last Modified: | 17 Jun 2010 09:21 |
| URI: | http://nal-ir.nal.res.in/id/eprint/5027 |
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