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Tunze video demonstrates flow vs turbulence

By Leonard Ho - Posted Aug 08, 2011 03:05 PM
In response to the July 2011's Advanced Aquarist article "Experimental Comparison of Measured Flow Output of Aquarium Propeller Pumps," Tunze has shared with Advanced Aquarist a video about flow and turbulence. In the video, Tunze visually demonstrates the difference in flow pattern between their Streams and Ecotech's Vortech pumps.

The video starts out with an academic primer about flow and turbulence.  It then goes on to explain the three different testing methodologies Tunze employs to demonstrate flow quality differences.  Tunze compares multiple Tunze and Ecotech propeller pumps using these methodologies.  The demonstrations show Tunze Streams have more laminar and consistent flow patterns with greater range whereas Ecotech's Vortech pumps have more turbulence, wider dispersion, and less reach.

For context, please read the Advanced Aquarist article: "Experimental Comparison of Measured Flow Output of Aquarium Propeller Pumps"

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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