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Innovative flow

Pax Scientific is an American company that designs products and flow technologies based on the principles of flow in nature. Among the products are fans, mixers, pumps, turbines, heat exchangers, propellers and more

A waterfall in the state of Indiana, USA. Photo: shutterstock
A waterfall in the state of Indiana, USA. Photo: shutterstock

By: Yael Halfman Cohen
Pax Scientific is an American company that designs products and flow technologies based on the principles of flow in nature. Among the products are fans, mixers, pumps, turbines, heat exchangers, propellers and more.

G. Herman, the founder of the company, noticed as a child growing up near the coast of Australia how the water flows through the seaweed. In his adulthood, he noticed a repeating geometry in nature of centered three-dimensional spirals with characteristics of the golden ratio, and recognized their connection to efficient flow.

Harman recognized that the path that produces the least resistance to flow is not a straight line, but rather swirling lines. While the conventional technology for the production of technological systems to drive gases or liquids was based on straight lines, in nature gases and liquids move in a turbulent and not straight line. Attempting to transport gases and liquids in a straight line produces pressure, increased friction, heat loss, and cracks.

Equipped with this understanding and environmental awareness, Herman decided to found a company that could address environmental problems. The company's vision is to translate the efficiency of flow in nature into flow technologies. Indeed, the application of natural geometry in technological systems such as fans and mixing equipment significantly improves their efficiency. The range of applications is very wide and is managed by subsidiaries of Pax Scientific that address different markets: PAX Mixer, PAX Fan, and PAX Water

The company's solutions are based on an in-depth study of the flow geometries in nature through computerized flow dynamics (cfd) and collaboration with Stanford University. Among the developments is a fan for refrigerators that is 25% more efficient than regular refrigerator fans, and the Lily impeller used to produce an axial jet that sweeps the volume of the entire container into a large annular vortex.

The company's water division provides solutions for mixing water storage vessels. The mixing prevents the stratification of the water into layers of different temperatures, and in certain climates also causes freezing. The warming of the upper layer encourages the growth of bacteria and the creation of nitrates, which are usually treated with disinfection, but even disinfection has side effects and new regulations even limit its use. The company has developed a submersible mechanical mixing system that provides continuous water mixing (24/7). The system manages to successfully mix reservoirs up to 20 million gallons efficiently and with minimal energy investment. (1/3 horse power is used to mix a reservoir of 7 million gallons - about 29 million liters).

Pax's innovation began with the identification of a repeating pattern in nature, continued with in-depth research in a multidisciplinary team, and came to fruition with the identification of various business opportunities.


To watch an interview with the founder of the company, Mr. G. Herman.

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