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  2. Rotating magnetic field - Wikipedia

    en.wikipedia.org/wiki/Rotating_magnetic_field

    The rotating magnetic field is the key principle in the operation of induction machines.The induction motor consists of a stator and rotor.In the stator a group of fixed windings are so arranged that a two phase current, for example, produces a magnetic field which rotates at an angular velocity determined by the frequency of the alternating current.

  3. These Are the Best Sprinklers We Recommend for Hassle-Free ...

    www.aol.com/best-sprinklers-lawn-garden...

    Turbo Oscillating Sprinkler. We replaced our previous well-water pick with this updated Melnor model, featuring an all-metal base to increase stability and durability (and the same lifetime warranty).

  4. Irrigation - Wikipedia

    en.wikipedia.org/wiki/Irrigation

    Oscillating Sprinklers: These spray water back and forth in a rectangular or square pattern. They are good for covering large, flat areas evenly. Impact (or Pulsating) Sprinklers: These create a rotating, pulsating spray, which can cover a circular or semi-circular area.

  5. Irrigation sprinkler - Wikipedia

    en.wikipedia.org/wiki/Irrigation_sprinkler

    An impact sprinkler head in action Sprinklers spraying water to irrigate vine plants in a vineyard. An irrigation sprinkler (also known as a water sprinkler or simply a sprinkler) is a device used to irrigate (water) agricultural crops, lawns, landscapes, golf courses, and other areas. They are also used for cooling and for the control of ...

  6. Centrifugal fan - Wikipedia

    en.wikipedia.org/wiki/Centrifugal_fan

    A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).

  7. Let an Oscillating Fan Create a Cooling Summer Breeze — and ...

    www.aol.com/let-oscillating-fan-create-cooling...

    Buy: IRIS USA WOOZOO Oscillating Fan $21.24 (orig. $24.99) 15% OFF . 5. Pelonis 3-Speed Oscillating Wall Mount Fan BEST WALL-MOUNTED PICK. This fan won’t take up any real estate on your floor or ...

  8. Fight Those Humid Summer Days With These Sweat-Preventing ...

    www.aol.com/keep-air-circulating-sweat-off...

    The tower-style fan is just under 40 inches tall, with 10 speed settings—significantly more than most oscillating fans—and it operates quietly and uses less power than similarly sized models.

  9. Synchronous motor - Wikipedia

    en.wikipedia.org/wiki/Synchronous_motor

    In synchronous motors, the stator carries 3 phase currents and produces 3 phase rotating magnetic flux (and therefore a rotating magnetic field). The rotor eventually locks in with the rotating magnetic field and rotates along with it. Once the rotor field locks in with the rotating magnetic field, the motor is said to be synched.