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정현주(Hyun-Ju Chung),배기웅(Gi-Woong Bae),양창섭(Chang-Seob Yang) 한국자기학회 2018 韓國磁氣學會誌 Vol.28 No.3
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.
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裵起雄 大田開放大學 1985 論文集 Vol.3 No.-
A characteristic of modern Industry Is the use of so many equipments, and the Investment of its equipments is going on getting larger. If we consider it from the equipment side, not only the enlargement of its size but also the advance of its function and the efficient utility which contain the automated and the computerized have been developing. The rationalization of the scientific plant engineering is the most important problem to solve, because a big amount of capital is fixed for a long-term and It also influences the characteristic and profit of the enterprise. This study has a important purpose that is the most efficient use of the skill for equipments should be proposed importantly according to the ideal of a enterprise, what is the present situation of the domestic enterprises plant engineering by the concept of equipment life cycle and the study has done for the suggestion of good plant engineering at the point of terotechnology, which it can enhance the productivity and profit of the enterprise according to the ideal of it for the service toward society.
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