Conduction Pump definition of Conduction Pump in the Free Online Encyclopedia.

conduction pump [kən′dək·shən ‚pəmp]

(engineering)

A pump in which liquid metal or some other conductive liquid is moved through a pipe by sending a current across the liquid and applying a magnetic field at right angles to current flow.

Conduction Pump

a type of magnetohydrodynamic pump in which the liquid is moved by electromagnetic force. The force arises because of the interaction of a magnetic field generated by the magnetic system of the pump and an electric current passing through the liquid being pumped. Conduction pumps operate on direct or alternting current. The operation of a DC conduction pump is similar to that of a DC motor; the rotor winding is replaced by an electrically conducting medium. The direction of motion of the liquid in the pump channel is determined by the left-hand rule.

The operation of AC conduction pumps is similar to the operation of DC pumps. In this case the direction of the current will change according to the changes in the lines of force in the magnetic field generated by the electromagnetic system of the pump. Such pumps are frequently combined with a transformer into a common device called a pump-transformer unit.

Conduction pumps are used in industry for delivery of various electrically conducting liquids, particularly for conveying and pouring molten metals.

REFERENCES

Birzvalk, lu. A. Osnovy teorii i rascheta konduktsionnykh MGD-nasosov postoiannogo toka. Riga, 1968.
Tiutin, I. A. Elektromagnitnye nasosy dlia zhidkikh metallov. Riga, 1959.

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