Chinese Journal of Ship Research, Volume. 16, Issue 5, 101(2021)
Prediction of ice resistance of icebreaker during continuous icebreaking
Figures & Tables(17)
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Table 1. Main parameters required by calculation of ice resistance formulas
View tableView in ArticleTable 1. Main parameters required by calculation of ice resistance formulas
参数 Vance Lewis Lindqvist 数值 ${\rho }_{_\mathrm{W} }$ /(kg·m−3)是 是 是 1 025 $ {\rho }_{\mathrm{i}} $ /(kg·m−3)是 否 是 930 g/(m·s−2) 是 是 是 9.81 $ {\sigma }_{\mathrm{f}} $ /kPa是 是 是 900 $ \mu $ 否 否 是 0.05 a/(o) 否 否 是 20 c/(o) 否 否 是 36 E/GPa 否 否 是 2 $ \nu $ 否 否 是 0.3 T/m 否 否 是 8.076 L/m 否 是 是 131 B/m 是 是 是 26
Table 2. Results of ice resistance formulas calculation
View tableView in ArticleTable 2. Results of ice resistance formulas calculation
${\sigma }_{\mathrm{f}}$ $ {h}_{\mathrm{i}} $ V /kn $ {R}_{\mathrm{I}} $ Lindqvist Vance Lewis 900 1.5 1 1.415 3.134 3.094 900 1.5 2 1.622 3.222 3.463 900 1.5 3 1.828 3.311 3.832 900 1.5 4 2.035 3.399 4.201 900 2 1 2.177 5.516 5.145 900 2 2 2.469 5.618 5.637 900 2 3 2.761 5.721 6.129 900 2 4 3.053 5.823 6.621 900 2.5 1 3.068 8.574 7.705 900 2.5 2 3.452 8.688 8.320 900 2.5 3 3.836 8.802 8.935 900 2.5 4 4.220 8.916 9.550
Table 3. Main dimensions of the ship model
View tableView in ArticleTable 3. Main dimensions of the ship model
尺度参数 原型值 模型值 La/m 140 4.667 L/m 131.0 4.367 $ {B}_{\mathrm{w}} $ /m25.8 0.860 T/m 8.076 0.269 $\varDelta$ /t18 500 0.685
Table 4. Different simulation conditions
View tableView in ArticleTable 4. Different simulation conditions
原型T /m 模型T /m 原型 $ {h}_{\mathrm{i}} $ 模型 $ {h}_{\mathrm{i}} $ 原型V/kn 模型V/ (m·s−1) 8.076 0.269 1.5 0.050 2 0.188 8.076 0.269 1.5 0.050 3 0.282 8.076 0.269 1.5 0.050 4 0.376 8.076 0.269 2.0 0.067 2 0.188 8.076 0.269 2.0 0.067 3 0.282 8.076 0.269 2.0 0.067 4 0.376 8.076 0.269 2.5 0.083 2 0.188 8.076 0.269 2.5 0.083 3 0.282 8.076 0.269 2.5 0.083 4 0.376
Table 5. Material parameters of the ice
View tableView in ArticleTable 5. Material parameters of the ice
参数 数值 参数 数值 ρ/(kg·m−3) 930 BULK/GPa 5.26 SM/GPa 2.2 EPF 0.35 SIGY/MPa 2.12 PRF/MPa −0.6 ETAN/MPa 4.26
Table 6. Material parameters of the ship shell and ice
View tableView in ArticleTable 6. Material parameters of the ship shell and ice
船壳 实体冰单元 黏聚单元 参数 数值 参数 数值 参数 数值 $ \rho $ /(kg·m−3)7850 $ \rho $ /(kg·m−3)930 $ \rho $ /(kg·m−3)930 G/GPa 200 G/GPa 2 G/GPa 2 PR 0.33 S/MPa 2.12 TS/MPa 0.8 ETAN/GPa 4.26 SS/MPa 0.9 BULK/GPa 5.26 $ {E}_{n} $ /(J·m−2)80 $ {E}_{s} $ /(J·m−2)80 TSL曲线形式 Linear
Table 7. Results of ice forces obtained by different methods
View tableView in ArticleTable 7. Results of ice forces obtained by different methods
$ {h}_{\mathrm{i}} $ V/kn $ {R}_{\mathrm{I}} $ 船模 试验 Lindqvist Vance Lewis 传统 有限元法 黏聚 单元法 1.5 2 1.866 1.622 3.222 3.463 1.796 1.481 1.5 3 1.933 1.828 3.312 3.832 2.183 1.886 1.5 4 2.119 2.035 3.399 4.201 2.441 1.952 2 2 3.097 2.469 5.618 5.637 2.270 2.790 2 3 3.313 2.761 5.721 6.129 3.055 2.971 2 4 3.950 3.053 5.823 6.621 3.368 3.861 2.5 2 4.368 3.452 8.688 8.320 3.163 3.428 2.5 3 4.761 3.836 8.802 8.935 3.638 3.544 2.5 4 5.613 4.220 8.916 9.550 4.256 3.959
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Rui CHEN, Wugang HUANG, Xiaolu CHEN, Meize KANG. Prediction of ice resistance of icebreaker during continuous icebreaking[J]. Chinese Journal of Ship Research, 2021, 16(5): 101
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Received: Oct. 30, 2020
Accepted: --
Published Online: Mar. 28, 2025
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