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M. Clifton-Smith, D. Wood (2010)
Optimisation of Self-Supporting Towers for Small Wind TurbinesWind Engineering, 34
(2010)
Designing an Easily- Made Lattice Tower for a Small Wind Turbine
R. Adhikari (2013)
Low-cost Triangular Lattice Towers for Small Wind TurbinesTheory of Computing Systems \/ Mathematical Systems Theory
(2007)
The Mechanics of Solids and Structures, Second Edition
C., R., J. Connors, C. Pouangaredii (2002)
MODELING , LOADING , AND PRELIMINARY DESIGN CONSIDERATIONS FOR TALL GUYED TOWERS
C. Dimopoulos, C. Gantes (2013)
Comparison of stiffening types of the cutout in cylindrical and conical steel wind turbine towers
I. Lavassas, G. Nikolaidis, P. Zervas, E. Efthimiou, I. Doudoumis, C. Baniotopoulos (2003)
Analysis and design of the prototype of a steel 1-MW wind turbine towerEngineering Structures, 25
R. Conant, R. Solecki (2003)
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E. Hau (1999)
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T. Burton, N. Jenkins, D. Sharpe, E. Bossanyi (2011)
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(2010)
Designing an Easily - Made Lattice Tower for a Small Wind Turbine , International Workshop on Small Scale Wind Energy for Developing Countries , Nepal
P. Uys, J. Farkas, K. Jármai, F. Tonder (2007)
Optimisation of a steel tower for a wind turbine structureEngineering Structures, 29
Nam-Ho Kim (2014)
Introduction to Nonlinear Finite Element Analysis
Despite having been used for a long time, tubular lattice towers with three or four legs have not been systematically analysed for use with small wind turbines. We present a design procedure based on modelling the towers as either tripods or quadrapods to allow analytic approximations to the tower stresses. Following the IEC standard for small wind turbine design, the critical load occurs at the 50-year extreme wind speed acting on a stationary turbine and tower. To avoid buckling in the downwind leg, three separate methods of estimating the critical buckling resistance are shown to give very similar results. The analytic models also allow the tower-top deflection to be simply approximated. We use an arbitrary limit on deflection as 5% of the tower height, to ensure linear, static behaviour for extreme wind loads. Two example tower designs are considered: an 18 m tower for a 5 kW turbine and a 12 m tower for a 500 W turbine.
Wind Engineering – SAGE
Published: Aug 1, 2014
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