What is the purpose of a flux valve ?

The purpose of a flux valve is to sense the direction of the Earth’s magnetic field. It is primarily used in navigation systems to provide accurate heading information by detecting the orientation of the magnetic field lines.

The flux valve is typically located in a part of an aircraft or ship that is free from magnetic interference. It is often mounted in a remote location such as the wingtip of an aircraft or the mast of a ship to minimize the impact of metallic structures and electrical equipment on its readings.

The principle of a fluxgate involves the use of a ferromagnetic core around which an alternating current is passed. This current generates a magnetic field that alternately saturates the core. Changes in the surrounding magnetic field, such as the Earth’s magnetic field, induce voltages in the sensing coils, which can be measured and used to determine the direction and magnitude of the magnetic field.

The purpose of the fluxgate compass is to provide precise and reliable directional information by detecting the Earth’s magnetic field. It is commonly used in aviation, marine, and geophysical applications to determine accurate headings without being significantly affected by external magnetic interferences.

The sensing element of the flux valve is the ferromagnetic core and the associated coils. These components work together to detect changes in the magnetic field, allowing the flux valve to measure the direction of the magnetic field accurately and relay this information to navigation systems.

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