Chinese Journal of Ship Research, Volume. 18, Issue 1, 158(2023)
Simulation and experiments of vibration-induced noise of low-frequency magnetic antenna
Figures & Tables(16)
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Table 1. Main parameters of fluid-structure interaction simulation
View tableView in ArticleTable 1. Main parameters of fluid-structure interaction simulation
参数 数值 流体密度/(kg·m−3) 1 000 动力黏度/(Pa∙s) 1 杨氏模量/MPa 5.6 泊松比 0.4
Table 2. Displacement of magnetic antenna at different speeds
View tableView in ArticleTable 2. Displacement of magnetic antenna at different speeds
航速/(m∙s−1) x方向最大位移/m z方向最大位移/m 1 1.789×10−6 4.845×10−7 3 5.703×10−6 2.997×10−6 5 1.026×10−5 5.176×10−6 7 1.559×10−6 7.029×10−6 9 2.172 ×10−59.230×10−6 11 2.866×10−5 1.202×10−5 13 3.635×10−5 1.548×10−5 15 4.477×10−5 1.958×10−5
Table 3. Main parameters of antenna
View tableView in ArticleTable 3. Main parameters of antenna
参数 数值 线圈内径/mm 27 线圈外径/mm 44 线圈长度/mm 512 磁芯边长/mm 15 磁芯长度/mm 800 地磁场强度/nT 50 000 线圈材料 铜 磁芯材料 铁氧体
Table 4. Antenna vibration-electromagnetic noise
View tableView in ArticleTable 4. Antenna vibration-electromagnetic noise
天线振动加速度/(m∙s−2) 扭转振动电磁噪声/fT 4.68×10−2 64 615 4.90×10−3 7 538.5 4.90×10−4 700.0 4.41×10−5 129.2
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Ruijie LIU, Di JIA, Feichi LIN, Liang LANG. Simulation and experiments of vibration-induced noise of low-frequency magnetic antenna[J]. Chinese Journal of Ship Research, 2023, 18(1): 158
Paper Information
Category: Ship Design and Performance
Received: Jun. 7, 2021
Accepted: --
Published Online: Mar. 18, 2025
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