Mitigation of Vortex Shedding Effects
Modern tall smokestacks usually have a corkscrew fin (a strake) to deliberately introduce turbulence, so that the load is less variable and resonant load frequencies have negligible amplitudes.
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“Law is a thing which is insensible, and inexorable, more beneficial and more profitious to the weak than to the strong; it admits of no mitigation nor pardon, once you have overstepped its limits.”
—Titus Livius (Livy)
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