b25f2fa7-95eb-41a3-b1d9-67488f77df57

Fun with compressed air: Creating a liquid sand hot tub

Dec. 1, 2017

Have you ever tried swimming in sand?

Have you ever tried swimming in sand? All you need is a hot tub, PVC pipe, and an air compressor. If swimming in sand sounds impossible, then you are forgetting the scientific principle of fluidization. Fluidization occurs when the force of the air pushing upward on an object (in this case, a grain of sand) is equal to the downward force of gravity, causing the grains of sand to hover in equilibrium. The result is sand that behaves more like water and must be seen to be believed.

About the Author

Alexis Gajewski | Senior Content Strategist

Alexis Gajewski has over 15 years of experience in the maintenance, reliability, operations, and manufacturing space. She joined Plant Services in 2008 and works to bring readers the news, insight, and information they need to make the right decisions for their plants. Alexis also authors “The Lighter Side of Manufacturing,” a blog that highlights the fun and innovative advances in the industrial sector. 

Sponsored Recommendations

Reduce engineering time by 50%

March 28, 2024
Learn how smart value chain applications are made possible by moving from manually-intensive CAD-based drafting packages to modern CAE software.

Filter Monitoring with Rittal's Blue e Air Conditioner

March 28, 2024
Steve Sullivan, Training Supervisor for Rittal North America, provides an overview of the filter monitoring capabilities of the Blue e line of industrial air conditioners.

Limitations of MERV Ratings for Dust Collector Filters

Feb. 23, 2024
It can be complicated and confusing to select the safest and most efficient dust collector filters for your facility. For the HVAC industry, MERV ratings are king. But MERV ratings...

The Importance of Air-To-Cloth Ratio when Selecting Dust Collector Filters

Feb. 23, 2024
Selecting the right filter cartridges for your application can be complicated. There are a lot of things to evaluate and consider...like air-to-cloth ratio. When your filters ...