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2. Helmholtz's theorems - Wikipedia

   en.wikipedia.org/wiki/Helmholtz's_theorems

   More simply, vortex lines move with the fluid. Also vortex lines and tubes must appear as a closed loop, extend to infinity or start/end at solid boundaries. Fluid elements initially free of vorticity remain free of vorticity. Helmholtz's theorems have application in understanding: Generation of lift on an airfoil; Starting vortex; Horseshoe vortex

3. Strouhal number - Wikipedia

   en.wikipedia.org/wiki/Strouhal_number

   The parameter is named after Vincenc Strouhal, a Czech physicist who experimented in 1878 with wires experiencing vortex shedding and singing in the wind. [ 1 ] [ 2 ] The Strouhal number is an integral part of the fundamentals of fluid mechanics .

4. Instant Pot - Wikipedia

   en.wikipedia.org/wiki/Instant_Pot

   Instant Pot is a brand of multicookers manufactured by Instant Pot Brands. The multicookers are electronically controlled, combined pressure cookers and slow cookers . The original cookers were marketed as 6-in-1 appliances designed to consolidate the cooking and preparing of food to one device.

5. Vortex mixer - Wikipedia

   en.wikipedia.org/wiki/Vortex_mixer

   A vortex mixer, or vortexer, is a simple device used commonly in laboratories to mix small vials of liquid. It consists of an electric motor with the drive shaft oriented vertically and attached to a cupped rubber piece mounted slightly off-center.

6. The air fryer of my dreams: The easy-to-clean, odor-erasing ...

   www.aol.com/lifestyle/odor-erasing-instant...

   This Instant Vortex Plus boasts a see-thru window and odor-erasing filters! It's also fast and super easy to clean. ... Yard Butler ID-6C Manual Lawn Coring Aerator, $37 (was $66), amazon.com.

7. Josephson vortex - Wikipedia

   en.wikipedia.org/wiki/Josephson_vortex

   In superconductivity, a Josephson vortex (after Brian Josephson from Cambridge University) is a quantum vortex of supercurrents in a Josephson junction (see Josephson effect). The supercurrents circulate around the vortex center which is situated inside the Josephson barrier, unlike Abrikosov vortices in type-II superconductors , which are ...

8. Vortex-induced vibration - Wikipedia

   en.wikipedia.org/wiki/Vortex-induced_vibration

   Vortex-induced vibration (VIV) is an important source of fatigue damage of offshore oil exploration drilling, export, production risers, including steel catenary risers (SCRs) and tension leg platform (TLP) tendons or tethers. These slender structures experience both current flow and top-end vessel motions, which both give rise to the flow ...

9. Owner's manual - Wikipedia

   en.wikipedia.org/wiki/Owner's_manual

   If owners lose their car manual, they can either order a replacement from a dealer, pick up a used one secondhand, or download a PDF version of the manual online. [4] In 2017, IBM released IBM Watson Artificial Intelligence to understand and answer questions in natural driver language. [5] "Ask Mercedes" was the first in a wave of these vehicle ...