EAN: 9783031005800

SYNTHESIS LECTURES ON COMPUTATIONAL ELECTROMAGN...

Decreasing the magnetic field signature of a naval vessel will reduce its susceptibility to
detonating naval influence mines and the probability of a submarine being detected by
underwater barriers and maritime patrol aircraft. Both passive and active techniques for
reducing the magnetic signatures produced by a vessel's ferromagnetism  roll-induced eddy
currents  corrosion-related sources  and stray fields are presented. Mathematical models of
simple hull shapes are used to predict the levels of signature reduction that might be achieved
through the use of alternate construction materials. Also  the process of demagnetizing a
steel-hulled ship is presented  along with the operation of shaft-grounding systems  paints 
and alternate configurations for power distribution cables. In addition  active signature
reduction technologies are described  such as degaussing and deamping  which attempt to cancel
the fields surrounding a surface ship or submarine rather than eliminate its source. Table of
Contents: Introduction   Passive Magnetic Silencing Techniques   Active Signature Compensation
Summary

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