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That's from an analogy from eddy currents in water. Quoting from the Wikipedia, article "Eddy (fluid dynamics": "In fluid dynamics, an eddy is the swirling of a fluid and the reverse current created when the fluid flows past an obstacle."

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What is a circular current of air or water that is also the first name of a person?

A vortex is a circular current of air or water. It is also a first name of a person.


What is the three basic types of eddy current coils?

The three basic types of eddy current coils are absolute, differential, and bridge coils. Absolute coils measure the absolute impedance or phase angle change of the eddy current probe. Differential coils measure the slope or rate of change of impedance, while bridge coils compare the impedance changes between two coils.


How does an eddy current work and what are its applications in various industries?

An eddy current is a type of electrical current that flows in a circular pattern. It is created when a conductor is exposed to a changing magnetic field. Eddy currents are commonly used in industries for non-destructive testing, metal sorting, and electromagnetic braking systems. They can also be found in applications such as metal detectors, induction heating, and speed sensors.


Eddy current type dynamometer?

An Eddy Current absorption dynamometer produces braking torque using the principle of eddy currents induced in a rotating metallic disk, immersed in a magnetic field. It is basically an eddy current brake mounted in trunnion bearings. Its advantages are maintenance, control, simple construction and desirable speed-torque characteristics. The speed-torque characteristics make the eddy current dynamometer ideal for engine testing, and its versatility also allows effective use in testing transmissions, turbines, electric motors, gears, pumps and many other machines.


How do you use the word eddy in a sentence?

The boat got into a violent eddy in the water, making it go around and around until everyone was feeling sick and dizzy.ExplanationIn water flow, an eddy is a current that flows opposite to the major flow, also known as a whirlpool.If on a river, an eddy is a current that will flow upstream in a side channel filling it, even if the flow is in an opposite direction of the original flow. It is equivalent to a stream's water level rising because the river it feeds has more water in it than the stream, thus making the water flow upstream. It can also be an area that seems not to have a current at all.Another exampleEddy is my best friend. (That example is just for a person called Eddy, not for the word "eddy", which is another word for a whirlpool!)