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Two-Stage Demagnetization Method for the Reduction of Magnetic Signature from a Naval Ship
| Content Provider | Semantic Scholar |
|---|---|
| Author | Chung, H. Y. Bae, Gi-Woong Yang, Chang-Seob |
| Copyright Year | 2018 |
| Abstract | There is the Flash-D demagnetization method as conventional demagnetization method for a naval ship without a degaussing system. It is the method for reducing magnetic fields from the ship as obtained the reverse permanent vertical magnetization (PVM) that counteracts the induced vertical magnetization (IVM) in the target ship due to the earth’s magnetic field. However, it is a little difficult to use in a real ship because it involves three-stage protocol and the procedure is also very complex. Therefore, in this paper, we propose the Flash-KD demagnetization method configured with two-stage demagnetization protocol for enhancing the difficulty in a practice of the conventional Flash-D demagnetization method. In the first stage of Flash-KD method, we obtain a very strong PVM. In the second stage, we gain the wanted PVM for compensating the IVM with minimization of a permanent longitudinal magnetization as adjusting the value of a horizontal start field and the total applied field number of the second stage. The proposed method has been applied to a scaled model ship to verify the performance. As a result of that, we could determine successfully the protocol which can remove VM. |
| Starting Page | 124 |
| Ending Page | 132 |
| Page Count | 9 |
| File Format | PDF HTM / HTML |
| DOI | 10.4283/jkms.2018.28.3.124 |
| Volume Number | 28 |
| Alternate Webpage(s) | http://www.komag.org/journal/download.html?file_name=cc6f61f3e8173f16d71fe0c5646be7211.pdf |
| Alternate Webpage(s) | https://doi.org/10.4283/jkms.2018.28.3.124 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
