The rotational behaviour of an electrically conductive liquid under the application of external electro/magnetic fields with different configurations have been studied. A simple theoritical basis supports the experimental setups in which we have observed the effect of rotational forces in a fluid.
The theoretical basis suggest three general cases:
2. A constant magnetic field is applied on a non-uniform electric current. The fluid rotates in the direction of (B.Del)J.
3. A non-uniform magnetic field is applied on a constant electric current. The fluid rotates in the direction of (J.Del)B.
- Control of rotation
The direction of rotation can be controlled by changing the direction of electric current.
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- An application: Mixing