An Evaluation for Predicting the Far Wake of Tidal Turbines Positioned in Array at Different Longitudinal Spaces
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초록
A study on tidal turbine using CFD simulation has been an economical and reliable method. However, large flow fields with multi-turbine arrays require high computer performance. Actuator disc theory therefore is widely applied. Actuator disc is the concept that imitates actual turbine by means of an energy absorption disc which has the same dimension and characteristics. Turbines installed in array may have disturbance effects on one another. Thus, the subject of this study is to analyze the far wake of these tidal turbines and compare to single turbine case. The main objects are to analyze two turbines positioned longitudinally at different spaces.
Abstract
A study on tidal turbine using CFD simulation has been an economical and reliable method. However, large flow fields with multi-turbine arrays require high computer performance. Actuator disc theory therefore is widely applied. Actuator disc is the concept that imitates actual turbine by means of an energy absorption disc which has the same dimension and characteristics. Turbines installed in array may have disturbance effects on one another. Thus, the subject of this study is to analyze the far wake of these tidal turbines and compare to single turbine case. The main objects are to analyze two turbines positioned longitudinally at different spaces.
참고문헌 (6)
- Application of Linear Momentum Actuator Disc Theory to Open Channel Flow, "G. T. Houlsby", University of Oxford, Department of Engineering Science, ~, pp.Report No. OUEL 2296 (2008), 08
- T. Burton, "Wind Energy Handbook" (2001), Wiley
- M. E. Harrison, "Comparison between CFD simulations and experiments for predicting the far wake of horizontal axis tidal turbines", Renewable Power Generation, 2010, 4, pp.613~627 (2009)
- L. Bai, "Investigation of the influence of array arrangement and spacing on tidal energy converter (TEC) performance using a 3-Dimentional CFD model", Proceedings of the 8th European Wave and Tidal Energy Conference (2009)
- Carbon Trust, "Tidal streams and tidal stream energy device design", ~ (2006)
- W. Graebel, "Advanced Fluid Mechanics" (2007), Academic Press