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Two or more electric circuits so arranged that energy can transfer electrically or magnetically from one to another.



Related Terms

COUPLER

  1. A component used to transfer energy from one circuit to another. 2. A device that connects two railroad cars.

COMPENSATION PYRHELIOMETER

A pyrheliometer consisting of two identical Manganin strips, one shaded, the other exposed to sunlight; an electrical current is passed through the shaded strip to raise its temperature to that of the exposed strip, and the electric power required to accomplish this is a measure of the solar radiation.

EFFECTIVE BANDWIDTH

The bandwidth of an assumed rectangular band-pass having the same transfer ratio at a reference frequency as a given actual band-pass filter, and passing the same mean-square value of a hypothetical current having even distribution of energy throughout that bandwidth.

DYNAMICAL SIMILARITY

Two flow fields are dynamically similar if one can be transformed into the other by a change of length and velocity scales. All dimensionless numbers of the flows must be the same.

MECHANICAL REFRIGERATION SYSTEM

A term describing a refrigeration system using mechanical means to transfer energy from and to a cooling medium.

ELECTRIC POWER TRANSMISSION

Process of transferring electric energy from one point to another in an electric power system.

CLOSED SYSTEM

  1. A system for water handling that does not permit air to enter. 2. A system which is isolated so that it cannot exchange matter or energy with its surroundings and can therefore attain a state of thermodynamic equilibrium. Also known as isolated system.

COEFFICIENT OF RESTITUTION

The constant e, which is the ratio of the relative velocity of two elastic spheres after direct impact to that before impact; e can vary from 0 to 1, with 1 equivalent to an elastic collision and 0 equivalent to a perfectly elastic collision. Also known as restitution coefficient.

NUCLEAR POWER PLANT

A power plant in which nuclear energy is converted into heat for use in producing steam for turbines, which in turn drive generators that produce electric power. Also known as atomic power plant.

FORKLIFT

A machine, usually powered by hydraulic means, consisting of two or more prongs which can be raised and lowered and are inserted under heavy materials or objects for hoisting and moving them.

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