The small wind tunnel with a 16-by-16 inch test section is a low speed, open return tunnel, as shown in Figure 1. It is mainly used for airfoil section tests and teaching. he velocity is up to 50 m/s.

Over the past decade, wind turbine use has increased more than 25 percent per year. Still, it only provides a small fraction of the world's energy. Most wind energy comes from turbines that can be ...

Experts agree that solar PV and wind power are equally needed to support the energy transition. The two technologies are rarely located at the same site, but this could change in the future.