Physics Of The Granite Sphere Fountain

Box 217 7500 ae enschede the netherlands ko van der weele department of mathematics university of patras 26500 patras greece received 22 may 2013. Imagine thousands of pounds floating on a thin layer of water. We show that the fountain can be viewed as a giant ball bearing and thus forms a prime example of lubrication theory.

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Physics of the granite sphere fountain.

Pressurized water flows between the sphere and socket creating a mechanical hydrostatic bearing that is nearly frictionless. Accepted 20 june 2014. What makes a granite sphere fountain work. In this paper we explain the working principle behind this levitation.

In this paper we explain the working principle behind this levitation. Custom etching engraving on the sphere and base are available as well. Burgers centre for fluid dynamics university of twente p o. 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.

We do produce a smaller version of our giant stone sphere fountains but there is a minimum order of 2 500 plus shipping. The sphere turns in any direction by hand or rotates horizontally if left to float by itself. Even though it might look like a physical impossibility the physics behind a rotating granite sphere fountain is perfectly logical. Physics of the granite sphere fountain.

Many colors of granite are offered. American journal of physics american journal of physics volume 82 1029 1039. 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. 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.

One of the greatest fountain sculptures available in the world. Physics of the granite sphere fountain jacco h. The rotating sphere no matter how heavy it is is actually supported by aqua planing on a thin film of water. 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.

Snoeijer physics of fluids group and j m. Ko van der.

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