f – Natural Frequency of stack
D – Diameter at the top
S – 0.2 (unless other structures are nearby)
Click on the “Vortex Shedding Solution Wizard” to receive an email about our general recommendation for what type of vortex shedding solution you need based on your stack/chimney parameters you enter.
Vortex Shedding Solution Wizard
Visit our Youtube channel for a short video explaining the phenomena of vortex shedding, with some amazing actual video of stacks that are vibrating due to vortex shedding here: http://youtu.be/hvg0QQt8Ifk. (If link doesn’t work, go to http://www.youtube.com/mecaenterprises )
For more information on vortex shedding, check out our article: Take Vortex Shedding Seriously
Since Meca specializes in Stack design, we frequently encounter problems with new and existing stacks experiencing vortex induced vibration. It’s the single biggest problem that faces stack designers. As a result, we began offering services to assist Engineers in solving vortex shedding problems. We can help you with evaluation of a specific stack vibration problem, but here are the common solutions as well as their advantages and disadvantages.
|Vortex Shedding Solution||Advantages||Disadvantages|
|Tuned Mass Damper (TMD)|
|Tuned Liquid Damper (TLD)|
|Continuous Helical Strakes|