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Windtech International March April 2024 issue





figure 1 HawkesHow Do We Get Beyond Blockage?
The notion of wind farm blockage has recently created significant debate and raised many unanswered questions within the wind industry. Does blockage actually exist? Could it explain historical differences between pre-construction and operational yield assessments? What should we do about it? Here Frazer-Nash provides some of the latest thinking about understanding and predicting blockage.
By Graham Hawkes, Engineering Manager, Frazer-Nash Consultancy, UK


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