What’s at the bottom of a whirlpool? Whirlpools are not, in fact, bottomless pits. Experiments have shown that whirlpools often pull objects to the bottom of the sea bed.

Whirlpools can be very dangerous and can cause drowning. Despite the danger, whirlpools are a fascinating natural phenomenon. Many people enjoy watching strong maelstroms spin away from the safety of dry land.

Vortex is the proper term for a whirlpool that has a downdraft. In narrow ocean straits with fast flowing water, whirlpools are often caused by tides. Many stories tell of ships being sucked into a maelstrom, although only smaller craft are actually in danger.

Standing whirlpools can be the easiest to avoid, but the trickiest to get out of. Work your way to the outside edge of the whirlpool, moving in the direction of water flow. Once on the outer edge, you can thrust yourself into the flow of the water beyond its reach.

Whirlpools form when two opposing currents meet, causing water to rotate (like stirring liquid in a glass). This can happen when heavy winds cause water to travel in different directions. As the water circles, it gets funneled into a small cavity in the center, creating a vortex.

Being sucked up by a tornado would result in probable death. The dangerous part of a tornado is the debris it carries. The higher off the ground you go the more debris impales you. Survivors have described the feeling as similar to being dragged on concrete.

Eddies can often be found in a river or stream where an object is causing an interruption to the flow of the current. The current in an eddy is flowing in the opposite direction from the main river flow. This can cause dangerous turbulence at the eddy lines where the two opposite currents meet.

As nouns the difference between whirlpool and eddy is that whirlpool is a swirling body of water while eddy is a current of air or water running back, or in an opposite direction to the main current.

Sometimes water spins away from a surface ocean current, creating an eddy. The swirling water of an eddy can be more than 100 km (60 miles) in diameter. Eddies form when a bend in a surface ocean current lengthens and eventually makes a loop, which separates from the main current.

An eddy is a circular current of water. The swirling motion of eddies in the ocean cause nutrients that are normally found in colder, deeper waters to come to the surface. Sometimes theses currents can pinch off sections and create circular currents of water called an eddy.

Eddy turn refers to the action of moving from the main current into an eddy, or vice-versa, and is also commonly referred to as “peeling” in and out, or “eddying” in and out. Simply put, eddy turns are the most important river running skill to develop.

When in the eddy, don’t let go of your paddle. Stay on the alert. The water is moving here and many an unsuspecting paddler has followed the rotating water in an eddy right into the current, the eddy line, or into a whirlpool. Be sure to lean upstream in an eddy since the water is moving in the opposite direction here.

Eddies are areas where water flows back upstream against the current. An eddy might be a good spot for entering and exiting the water safely, because you won’t have to deal with a strong current while clambering in and out. Eddies in white water are far from safe; often they’ll send you at speed into a strong current.

In fluid dynamics, an eddy is the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime. The moving fluid creates a space devoid of downstream-flowing fluid on the downstream side of the object.

Eddy currents (also called Foucault’s currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor according to Faraday’s law of induction. This effect is employed in eddy current brakes which are used to stop rotating power tools quickly when they are turned off.

Disadvantages of Eddy Currents: There is a major heat loss during cycling eddy currents due to friction in the magnetic circuit, especially where the core is saturated. Thus there is the loss of useful electrical energy in the form of heat. There is magnetic flux leakage.

Eddy current losses are the result of Farady’s law, which states that, “Any change in the environment of a coil of wire will cause a voltage to be induced in the coil, regardless of how the magnetic change is produced.” Thus, when a motor core is rotated in a magnetic field, a voltage, or EMF, is induced in the coils.

In a DC circuit, the current always flows in the same direction. There is no oscillation whatsoever. Eddy currents, however, have no direction. They just circulate whenever a conducting material of large enough cross section is available.

this flux produces counter emf to oppose the change in current. this effect is more at the center of conductor. so electrons tend to flow through surface. In DC there will not be any alternating magnetic field and so no Skin effect is not observed.

Lenz’s law, in electromagnetism, statement that an induced electric current flows in a direction such that the current opposes the change that induced it.

• Eddy currents in conductors (having some resistance) generate heat as well as electromagnetic forces.
• 1.The heat can be used for induction heating.
• 2.The electromagnetic forces can be used for levitation i.e. in maglev trains.