Home » Science » What is Toroidal Vortex?

What is Toroidal Vortex?

What is Toroidal Vortex?
Toroidal Vortex, or more commonly known as vortex ring, is a vortex made from rotating fluid that is moving through the same medium. Toroidal refers to the doughnut shape that is characteristic of this type of vortex. This is formed when a spherical body of fluid moves through a stationary medium, pushing into the middle and in turn making the circumference rotate and fold onto itself.

An example of toroidal vortex are smoke rings. If you observe a smoker blowing smoke rings in the air, you will notice that the smoke is actually rotating from the inside out as it travels forward. Another example of toroidal vortex is a weather formation called microburst (or downdraft), a column of air that travels downward to the ground at high pressures. A microburst can be so strong that it can down power lines and even cause aircrafts to crash. When a microburst hits the ground, a toridal vortex forms around the point of contact.

A vortex ring state is also a dangerous situation in flying helicopters, and this can occur when three factors are present in a helicopter flight: low or no airspeed, rate of descent and applied power. When a vortex ring state happens to a helicopter, it means that the helicopter is descending (many times catastrophically) into its own downwash.

If you like this article or our site. Please spread the word. Share it with your friends/family.
Email This Post Email This Post Print This Post Print This Post

You must be logged in to post a comment Login

About This Post
Posted by Beth B on Dec 20th, 2010 and filed under Science. You can follow any responses to this entry through the RSS 2.0. You can leave a response via following comment form or trackback to this entry from your site