Influence of Cylindrical Shield Dimensions on Shielding Effectiveness
https://doi.org/10.21122/2220-9506-2022-13-2-112-116
Abstract
Study of dimensional parametersʼ influence on shielding properties of cylindrical shields will allow to optimise the fusion process, as well as to reduce production costs by reducing the material used. The purpose of this work was to compare results of theoretical calculation of shielding effectiveness of an infinite cylindrical shield with the data obtained in real conditions.
A cylindrical Ni-Fe shield was synthesised by electrochemical deposition with length of 32 cm, diameter of 4.5 cm and shielding thickness of ≈ 100 µm. The cylinder length was then reduced from 32 cm to 6 cm in 4 cm increments and for each cylinder length shielding effectiveness was measured using three-coordinate Helmholtz field-forming system.
The measurement results show that the calculation of shielding effectiveness of infinite cylindrical shield is valid for cylinder lengths l ≥ 18–20 cm. Shielding effectiveness is markedly reduced at values of l ˂ 15 cm.
Analysis of data obtained allowed to conclude that it is necessary to determine the correction factor when calculating a cylindrical screen shielding efficiency
About the Authors
O. D. Kanafyev
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Address for correspondence: Kanafyev O.D. –
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus,
Brovki str., 19, Minsk 220072, Belarus
e-mail: olegkan96@mail.ru
A. V. Trukhanov
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
T. I. Zubar
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
S. S. Grabchikov
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
M. I. Panasiuk
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
A. N. Kotelnikova
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
V. A. Fedkin
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
V. M. Fedosyuk
Scientific and Practical Materials Research Centrer of the National Academy of Sciences of Belarus
Belarus
Belarus
Brovki str., 19, Minsk 220072, Belarus
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Review
For citations:
Kanafyev O.D., Trukhanov A.V., Zubar T.I., Grabchikov S.S., Panasiuk M.I., Kotelnikova A.N., Fedkin V.A., Fedosyuk V.M. Influence of Cylindrical Shield Dimensions on Shielding Effectiveness. Devices and Methods of Measurements. 2022;13(2):112-116. https://doi.org/10.21122/2220-9506-2022-13-2-112-116
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