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What is Torsional Instability in Solar Trackers about?

1) Single-axis solar trackers can experience a torsional instability known as torsional galloping when positioned flat in high winds. This causes the tracker to twist back and forth in a helical motion. 2) Computational fluid dynamics (CFD) and wind tunnel simulations were conducted using a sectional model of the tracker. The instability occurs due to vortices forming on the leading edge as it twists up and down, suddenly releasing torque as the vortices shed. 3) The simulations showed the instability is

Author

bpchimera

Language

EN