Kailash, K and Prakash, S (1989) Structural analysis of an isolated SAMIRA blade. Technical Report. National Aeronautical Laboratory, Bangalore, India.
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Abstract
This report presents analysis of an isolated blade of NAL designed windmill SAMIRA. The blade has an aluminium skin mounted on a mild steel spar and frame work. The blade has a full span loading edge regulating flap. The flap is connected to the spar by four sets of spring plates and a shock absorber to damp the flapping vibrations. A single blade is modelled using a preprocesser FEMGEN and analysed using a finite element analysis package called ASKA. The static analysis is carried out with pressure loading equivalent to a normal load calculated at a velocity of 50 m/sec. The dynamic analysis is carried out to get the modes and modeshapes of the blade. The validity of the model is established by an experimental study.
| Item Type: | Proj.Doc/Technical Report (Technical Report) |
|---|---|
| Uncontrolled Keywords: | Blades;Finite elements;Static analysis;Dynamic analysis |
| Subjects: | AERONAUTICS > Aerodynamics |
| Division/Department: | Wind Energy Programme, Wind Energy Programme |
| Depositing User: | Ms. Alphones Mary |
| Date Deposited: | 05 Jan 2012 16:28 |
| Last Modified: | 11 Jan 2012 14:41 |
| URI: | http://nal-ir.nal.res.in/id/eprint/10178 |
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