Reduction of a ship's magnetic field signatures
By: Holmes, John J.
Material type:
BookSeries: Synthesis lectures on computational electromagnetics: #23.Publisher: San Rafael, Calif. (1537 Fourth Street, San Rafael, CA 94901 USA) : Morgan & Claypool Publishers, c2008Description: 1 electronic text (ix, 67 p. : col. ill.) : digital file.ISBN: 1598292498 (electronic bk.); 9781598292497 (electronic bk.); 9781598292480 (pbk.).Uniform titles: Synthesis digital library of engineering and computer science. Subject(s): Magnetic fields | Ships | Submarines (Ships) | Underwater surveillance | Underwater electromagnetic ship signatures | Ship signature reduction | Signature compensation | Magnetic silencing | Degaussing | DeampingDDC classification: 358.4/5 Online resources: Abstract with links to resource Also available in print.| Item type | Current location | Call number | Status | Date due | Barcode | Item holds |
|---|---|---|---|---|---|---|
E books
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PK Kelkar Library, IIT Kanpur | Available | EBKE112 |
Mode of access: World Wide Web.
System requirements: Adobe Acrobat Reader.
Part of: Synthesis digital library of engineering and computer science.
Series from website.
Includes bibliographical references.
1. Introduction -- 2. Passive magnetic silencing techniques -- 2.1. Passive reduction of ferromagnetic signatures -- 2.2. Passive reduction of roll-induced eddy current signatures -- 2.3. Passive reduction of corrosion-related magnetic field signatures -- 2.4. Passive reduction of stray field signatures -- 3. Active signature compensation -- 3.1. Degaussing system design -- 3.2. Degaussing coil calibration and control -- 3.3. Active reduction of corrosion-related magnetic field signatures -- 3.4. Closed-loop degaussing -- 4. Summary.
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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.
Also available in print.
Title from PDF t.p. (viewed Oct. 19, 2008).
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