Further details about Magnetic Ranging and TreMagnetic Ranging and Treatment Facilities for Naval Application - 21 Pages

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Further details about Magnetic Ranging and TreMagnetic Ranging and Treatment Facilities for Naval Application
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Catalogue excerpts

Magnetic Ranging and Treatment Facilities E-mail: info@sam-electronics.de

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What you should know about us Activities at SAM Electronics focus on finding sophisticated system solutions in the fields of marine and nava systems, navigation and communica- SAM Electronics, having become ope- rational in 1998, comprises the former Marine and Naval actvities of AEG, MBB and ATLAS Elektronik, carrying on merging partners The consideration of mines and mine countermeasures necessarily involves "Magnetics". Expertise and know-how in these disciplines form the link in our Shipborne degaussing systems Non-magnetic and low stray field Systems for magnetic ranging and demagnetization...

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For about a hundred years sea mines have been an established element in naval warfare. By far the most impor- tant step in their development was the nvention of the magnetic influence firing principle, which utilizes the mag- netic interference field of passing Sea mines with magnetic fuzes are effective, inexpensive, easy to deploy in large numbers and a formidable weapon both physically and psychologi- cally. Thus extensive measures arepro- vided to protect naval vessels against the threat from sea mines. Due to the decrease of a vessel's interference field with the distance in accordance with...

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Protective Measures for Vessels against Seamines Conventional protective measures, either active or passive, are used to reduce the magnetic signature of a ves- Active protective measures comprise the installation of shipborne degaussing systems. Passive protective measures are those aimed at minimizing the effective permanent magnetic content of a ship. This is firstly achieved by appropriate design and secondly by a demagnetization treatment of the enti- re vessel. Design measures may com- prise the use of non-magnetic materia for hull and equipment and the layout Major combat vessels are normally fitted...

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Magnetic Ranging and Treatment Essentially magnetic ranging facilities for vessels consist of submerged field probes and evaluation equipment which measure the magnetic interfe- rence field of the vessel at a specific water depth. In addition, auxiliary sub- h practical use two measuring range configurations have proven their value: Overrun ranges Stationary ranges The type of a vessel and the protective measures applied determine the range facility required for a specific job Overrun magnetic measuring ranges are predominantly used for ranging of ferromagnetic vessels and submarines h a maximum...

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Magnetic Ranging Facilities Countermeasure forces in the fleet necessitate a magnetic range for com- ponents where equipment such as diesel engines, generators etc. can be monitored for their magnetic condition prior to installation on board The tasks performed on a component range comprise Check ranging in order to confirm that the magnetic interference field limit values are not exceeded Ranging and subsequent procedures fields by means of permanent magnets and calibration of degauss- Check ranging in order to confirm the results of magnetic treatments A ranging system for components comprises...

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Magnetic Treatment Facilities for Vessels The magnetic treatment in its various modes is widely used as a supportive means of mine protection on ferromag- netic naval vessels equipped with a shipborne degaussing system. For all other ships not equipped with a degaussing system, magnetic treat- ment provides the only possibility to improve their protection against sea The magnetic treatment is characteri- strong alternating magnetic fields pul- sating at low frequency. The magnetic fields are generated by a demagnetiza- tion coil system. A second coil arrange- ment provides compensation of the earth's...

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Major System Components for a Magnetic Ranging and Treatment Facility treatment tasks defined for various types of vessels the magnetic ranging and treatment systems can be broken down into the following main subsy- Magnetic field measuring systems Electronic data processing systems for data acquisition, evaluation and Coil systems for compensation of the earth/s magnetic field and for generation of magnetic fields for rol Power supply and control equipment Magnetic Field Measuring The magnetic field measuring system comprises - in its most simple configu- ration - a single axis magnetic probe array...

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SAM Electronics's Integral Magneto- meter Concept uses standard hardware and thus allows application in both magnetic ranges for vessels and for Data Processing System The data processing system is a key component in every magnetic ranging and treatment facility. Because of the large amount of data to be handled, extensive data processing is required to perform ranging and magnetic treat- ment efficiently and economically. Automated measuring and analyzing procedures and clear presentations of measuring results support the range SAM Electronics provides efficient computer hardware and extensive...

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Data presentation is effected on moni- tors, printers and plotters. The field values are presented for each overrun As line diagrams of all probes as longitudinal or athwartship shots (magnetic profile in longitudinal and athwartship direction) in a common As line diagram for each probe as longitudinal shot As isomagnetic lines for an overview of the vessel's magnetic status The operator checks the vessel's mag- netic signature for compliance with limit values. The results are stored on a floppy disk memory for archiving Calibration ranging Calibration ranging is made for adjust- ment of shipborne...

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Data evaluation and archiving On the basis of the data derived from the computer in various pre sentations, the operator works out the adjustment data for the eddy current channel. Subsequent rol check simulation is performed to confirm the improvements made by the calibration. The operator initiates archiving of final status data on floppy disk memory Stray field ranging Ranging of static magnetic stray fields is performed on stationary ranges for non-magnetic Mine Countermeasure Vessels to determine the effects of magnetic stray fields caused by the vessel's electrical plant. Data processing...

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