Physics Of The Granite Sphere Fountain

In this paper we explain the working principle behind this levitation.

Physics of the granite sphere fountain.

In this paper we explain the working principle behind this levitation. Find the perfect patio furniture backyard decor at hayneedle where you can buy online while you explore our room designs and curated looks for tips ideas inspiration to help you along the way. Imagine thousands of pounds floating on a thin layer of water. Custom etching engraving on the sphere and base are available as well.

Even though it might look like a physical impossibility the physics behind a rotating granite sphere fountain is perfectly logical. A striking example of levitation is encountered in the kugel fountain where a granite sphere sometimes weighing over a ton is kept aloft by a thin film of flowing water. Accepted 20 june 2014. Box 217 7500 ae enschede the netherlands ko van der weele department of mathematics university of patras 26500 patras greece received 22 may 2013.

The sphere turns in any direction by hand or rotates horizontally if left to float by itself. The rotating sphere no matter how heavy it is is actually supported by aqua planing on a thin film of water. American journal of physics american journal of physics volume 82 1029 1039. Ko van der.

Physics of the granite sphere fountain jacco h. We do produce a smaller version of our giant stone sphere fountains but there is a minimum order of 2 500 plus shipping. A striking example of levitation is encountered in the kugel fountain where a granite sphere sometimes weighing over a ton is kept aloft by a thin film of flowing water. Burgers centre for fluid dynamics university of twente p o.

A kugel fountain also called a floating sphere fountain or by the pleonasmic name kugel ball is a water feature or sculpture where a sphere sits in a fitted hollow in a pedestal and is supported by aquaplaning on a thin film of water. Shop our best selection of sphere fountains to reflect your style and inspire your outdoor space. One of the greatest fountain sculptures available in the world. What makes a granite sphere fountain work.

We show that the fountain can be viewed as a giant ball bearing and thus forms a prime example of lubrication theory. Snoeijer physics of fluids group and j m.