Ship’s de-perming process using coils lying on seabed

• Autorzy: Wołoszyn Mirosław , Jankowski Piotr

Identyfikatory

DOI

10.24425/mms.2019.129582

• Języki publikacji: EN

Abstrakty

EN

A ship built from ferromagnetic steel disturbs the uniformity of the Earth’s magnetic field. Changes of ship’s signature are due to the magneto-mechanical interaction of the hull with the Earth’s magnetic field. The ship’s magnetic field can be detected by a magnetic naval mine. For this reason, the vessel has to be demagnetized. There are several methods of ship’s de-perming. The results of experimental and computer simulations of the ship’s de-perming process using coils lying on the seabed are presented in this paper. The simulation of the de-perming process with a hysteresis model of ship’s steel was carried out in Opera-3d 18R2. The laboratory experiments were carried out using a physical ship’s model, several Helmholtz coils, magneto-resistive sensors, etc. The experiments and computer simulations have shown that ship’s de-perming with coils lying on the seabed is possible. The values of coil currents are over dozen times greater than those used in the standard method.

Słowa kluczowe

EN

magnetic field; ship; de-perming; energy de-perming

• Wydawca: Komitet Metrologii i Aparatury Naukowej PAN
• Czasopismo: Metrology and Measurement Systems
• Rocznik: 2019
• Tom: Vol. 26, nr 3
• Strony: 569--579
• Opis fizyczny: Bibliogr. 24 poz., rys., wykr.

Twórcy

autor

Wołoszyn Mirosław

• Gdańsk University of Technology, Faculty of Electrical and Control Engineering, G. Narutowicza 11/12,80-233 Gdańsk, Poland

autor

Jankowski Piotr

• Gdynia Maritime University, Faculty of Marine Electrical Engineering, Morska 81-87, 81-225 Gdynia, Poland

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).