MLA Citation: Bloomfield, Louis A. "Question 125"
How Everything Works 19 Apr 2018. 19 Apr 2018 <http://howeverythingworks.org/print1.php?QNum=125>.
125. What are vortex rings?
These rings (also called smoke rings) are moving portions of fluid that are moving relative to the surrounding fluid. They form a remarkably stable structure. The inner edge of the ring heads forward, while the outer edge head backward and the ring pulls itself through the air. Fluid dynamicists study these sorts of objects.

Return to HowEverythingWork.org
Generated for printing on Thursday, April 19, 2018 at 15:14:17 EDT
Copyright 1997-2018 © Louis A. Bloomfield, All Rights Reserved
Privacy Policy