Dimitrios Kanellopoulos, Safeguarding Earth
No wind turbine can capture more than 59.3% of the kinetic energy of incoming wind in an open channel. This is called the Betz limit named after the german scientist Alfred Betz who derived this limit in 1919. Betz Limit Explanation Let’s understand why the wind turbine cant extracts 100% kinetic energy from the wind….
Wake Effects Leo Enrico Jensen, Senior Manager, Chief Specialist, Wind Power Technology, DONG Energy, Denmark What have we learned about understanding and modelling wake effects from the WakeBench project Validating a wake model for onshore wind farms Søren Ott, Senior Scientist, DTU Wind Energy, Denmark
Slides for Wind Energy in Ukraine Video for Wind Energy in Ukraine
There are a number of reasons why turbines actually stop temporarily. As the name of the technology implies, wind turbines are naturally dependent on wind. Measurements of local wind conditions on site guarantee that they are built in areas with sufficient wind. There are often other reasons for turbines to be temporarily shut down. One…
As far as I have seen, the blades of all Danish wind turbines run in the same direction, i.e. clockwise. Is there a technical reason for that? The short answer is: No, it is not the wind’s fault, and no, there is no technical reason for all blades to rotate the same way. It looks…
The use of reanalysis for the wind energy community Paul Poli, Reanalysis Project (ERA), ECMWF – European Centre for Medium-Range Weather Forecasts, UK 10-years reanalysis downscaling at a 3km grid in the North Sea area Idar Barstad, Researcher, Uni Computing Department, Uni Research Ltd, Norway Some guidelines to infer and assess wind climate variability uncertainty…