It takes the average reader 1 hour and 8 minutes to read Reduction of a Ship's Magnetic Field Signatures by John J. Holmes
Assuming a reading speed of 250 words per minute. Learn more
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
Reduction of a Ship's Magnetic Field Signatures by John J. Holmes is 67 pages long, and a total of 17,219 words.
This makes it 23% the length of the average book. It also has 21% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 1 hour and 34 minutes to read Reduction of a Ship's Magnetic Field Signatures aloud.
Reduction of a Ship's Magnetic Field Signatures is suitable for students ages 8 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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