How to Determine Damping

How to Determine Damping

How to Determine Damping We can all grasp the physical attributes of a stack such as the height, weight, diameters, etc.; however, what is the stack’s structural damping?  Does MecaStack estimate the damping of the stack?  Is there any harm in just arbitrarily...
Getting Twisted about Helical Strakes

Getting Twisted about Helical Strakes

Getting Twisted about Helical Strakes If you have a vortex shedding problem on a stack, then in some cases helical strakes are your best option; however, there are other cases where helical strakes are not the best option. When not to use Helical Strakes? If there is...
Take Vortex Shedding Seriously

Take Vortex Shedding Seriously

Take Vortex Shedding Seriously When I was a new Engineer working for an equipment manufacturer, I can say that I didn’t have a healthy appreciation for wind Induced vibration (vortex shedding).  I worked for an equipment manufacturer who won and lost jobs based...
Tune up your next Stack

Tune up your next Stack

Tune up your next Stack One of the most common problems encountered on a cylindrical stack is Wind Induced vibration due to Vortex Shedding. If you have never visually observed vortex shedding, watch this brief video and prepare to be amazed. There are a couple of...