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On the Theory of the Horizontal-Axis Wind Turbine

On the Theory of the Horizontal-Axis Wind Turbine The extraction of energy from the wind is an old idea, one used by sailing ships and windmills for many centuries. The development of ancient windmills was based on empiricism and engineering skill. The develop­ ment of the fluid mechanics, or more specifically the aerodynamics, of (wind turbines in modern· usage) is more recent. The study of the aerodynamics of wind turbines was begun after WorId War I by Betz ( 1926) and Glauert ( l935a) and got a new impulse after the "energy crisis" of 1973-74. Nowadays, it is a worldwide field of research, windmills stimulated and guided by national research programs in the US, Sweden, Denmark, The Netherlands, Great Britain, and many other countries. Scope of the Present Review A complete review of the aerodynamic aspects of wind-energy conversion should encompass the following: 1. The characteristics of the natural wind, such as annual wind-velocity distributions, wind shear, turbulence, gusts, effects of local terrain conditions, and siting. 2. The theory of wind-driven turbines, operating in a homogeneous and nonturbulent flow. 3. The influence of the natural wind (turbulence, wind shear) and turbine-induced irregularities (yawing misalignment, blade-tower in­ teraction) on turbine performance and blade loading. 0066-4189/83/011 5-0077$02.00 DE http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annual Review of Fluid Mechanics Annual Reviews

On the Theory of the Horizontal-Axis Wind Turbine

Annual Review of Fluid Mechanics , Volume 15 (1) – Jan 1, 1983

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Publisher
Annual Reviews
Copyright
Copyright 1983 Annual Reviews. All rights reserved
Subject
Review Articles
ISSN
0066-4189
eISSN
1545-4479
DOI
10.1146/annurev.fl.15.010183.000453
Publisher site
See Article on Publisher Site

Abstract

The extraction of energy from the wind is an old idea, one used by sailing ships and windmills for many centuries. The development of ancient windmills was based on empiricism and engineering skill. The develop­ ment of the fluid mechanics, or more specifically the aerodynamics, of (wind turbines in modern· usage) is more recent. The study of the aerodynamics of wind turbines was begun after WorId War I by Betz ( 1926) and Glauert ( l935a) and got a new impulse after the "energy crisis" of 1973-74. Nowadays, it is a worldwide field of research, windmills stimulated and guided by national research programs in the US, Sweden, Denmark, The Netherlands, Great Britain, and many other countries. Scope of the Present Review A complete review of the aerodynamic aspects of wind-energy conversion should encompass the following: 1. The characteristics of the natural wind, such as annual wind-velocity distributions, wind shear, turbulence, gusts, effects of local terrain conditions, and siting. 2. The theory of wind-driven turbines, operating in a homogeneous and nonturbulent flow. 3. The influence of the natural wind (turbulence, wind shear) and turbine-induced irregularities (yawing misalignment, blade-tower in­ teraction) on turbine performance and blade loading. 0066-4189/83/011 5-0077$02.00 DE

Journal

Annual Review of Fluid MechanicsAnnual Reviews

Published: Jan 1, 1983

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