She was shocked to discover that her pricey vacuum had been slacking. “I was surprised how much dirt and dog hair were in the tunnel as I thought the carpet wasn’t that dirty,” she says.

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Others noted that the vacuum was noisy and became clogged with pet hair, which our test findings also reflect. And while some users complained of the unit's weight, we advise our readers to try ...

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Typically, when we talk about wind tunnels, we think of the big facilities in use by the aerospace and motorsports industries. However, there’s nothing stopping you building a wind tunnel of ...

Before anything leaves ground though, these machines are tested in wind tunnels. [Scott Manley]’s video “How Hypersonic Wind Tunnels Recreate Mach 20” (embedded below) does a wonderful job ...

The low turbulence wind tunnel (A3) is a closed section wind tunnel and is designed to provide a highly uniform and low turbulence flow. The A3 wind tunnel was designed and built by Dr R. V. Barrett* ...

The A1 wind tunnel at the University of Bristol is closed-section wind tunnel, with a 2.1 m x 1.5 m octagonal test section and can reach flow speed of 60 m/s. The return section, measuring at 5.5 m x ...

The AWB provides the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) with a quiet wind tunnel that enables the very low-noise production of airflow at velocities of up to 60 ...

Wind tunnel testing services provide test facilities and technical staff for aerodynamic testing. Tests may be performed on prototype aircraft, helicopters, trains, cars, or buildings. Wind tunnel ...

Wind tunnels are devices that provide invaluable insights into aerodynamics. They are carefully designed and built environments, mirroring the physics of the natural world, in which air flows can be ...