7 ms·
Wind turbines are moving a lot faster than they appear. E.g. Vestas v164 [1] rotates only at max 12 times per minute so looks slow. But because it has 80m blade
by advisedwang 2y ago
Wind turbines are moving a lot faster than they appear. E.g. Vestas v164 [1] rotates only at max 12 times per minute so looks slow. But because it has 80m blades, the tip speed is up to 100 meters per second (230mph). That's 1/3rd the speed of sound! That can generate a lot of noise.
[1] https://en.wind-turbine-models.com/turbines/1419-mhi-vestas-offshore-v164-8.0-mw https://en.wind-turbine-models.com/turbines/1419-mhi-vestas-...
- jeffbee 2y agoThat explains why they would make broadband noises but not peaky high-q noises like the ones in the paper.