Numerical simulation analysis of ice resistance of icebreaker on Yellow River using SPH method

Table 1. Main parameters of a 28 m ice breaker operating on the Yellow River
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Table 1. Main parameters of a 28 m ice breaker operating on the Yellow River
参数数值
船长/m 28.0
型深/m 2.2
吃水深度/m 1.0
船宽/m 7.0
推进功率/kW 2×500
设计航速/kn 13.0

Table 2. Main parameters of Lindqvist formula

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Table 2. Main parameters of Lindqvist formula

参数	数值
冰密度${\rho _{ {\text{i} } } }$/(kg·m−3)	920
船−冰摩擦系数$ \mu $	0.15
冰弯曲强度${\sigma _ {\rm{i} } }$/MPa	0.6，0.9，1.2
船长L/m	28
艏柱倾角$ {\varphi _1} $/(°)	40
冰厚${h_ {\rm{i}}}$/m	0.3，0.4，0.5，0.6
河水密度${\rho _ {\rm{w}}}$/(kg·m−3)	998
吃水深度$ T $/m	1.0
船宽$ B $/m	7.0
水线进角$ \alpha $/(°)	33.5
航速$ V $/kn	1.0，2.0，3.0，4.0

Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and h_i = 0.3 m
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Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and h_i = 0.3 m
冰厚h_i/m 弯曲强度σ_i/MPa 航速V/kn 破冰阻力F/kN 误差/%
Lindqvist经验公式结果 SPH计算结果
0.3 0.6 4 17.9 15.08 15.7
0.3 0.9 4 26.71 22.97 14.0
0.3 1.2 4 35.533 29.27 17.6

Table 4. Average ice resistance by SPH with difference concentrations of broken ice
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Table 4. Average ice resistance by SPH with difference concentrations of broken ice
冰厚h_i/m 碎冰密集度C/% 航速V/kn 破冰阻力F/ kN 误差/%
SPH计算平均值 Lindqvist经验公式结果
0.3 50 4 13.31 14.8 10.1
0.3 70 4 31.88 20.8 53.2
0.3 90 4 69.26 26.7 159.4

Table 5. Average ice resistance by SPH with difference ice thicknesses
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Table 5. Average ice resistance by SPH with difference ice thicknesses
冰厚h_i/m 碎冰密集度C /% 航速V/kn 破冰阻力F/ kN 误差/%
SPH计算结果 Lindqvist经验公式结果
0.3 70 4 31.88 20.8 53.2
0.4 70 4 33.53 27.7 21.0
0.5 70 4 48.48 34.6 40.1
0.6 70 4 61.03 41.6 46.7

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Xing ZHENG, Zhizong TIAN, Zhigang XIE, Ningbo ZHANG. Numerical simulation analysis of ice resistance of icebreaker on Yellow River using SPH method[J]. Chinese Journal of Ship Research, 2022, 17(3): 49

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Paper Information

Category: Ship Design and Performance

Received: Jun. 28, 2021

Accepted: --

Published Online: Mar. 25, 2025

The Author Email:

DOI:10.19693/j.issn.1673-3185.02430

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Main parameters of a 28 m ice breaker operating on the Yellow River

Table 1. Main parameters of a 28 m ice breaker operating on the Yellow River

Table 2. Main parameters of Lindqvist formula

Table 2. Main parameters of Lindqvist formula

Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and hi = 0.3 m

Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and hi = 0.3 m

Table 4. Average ice resistance by SPH with difference concentrations of broken ice

Table 4. Average ice resistance by SPH with difference concentrations of broken ice

Table 5. Average ice resistance by SPH with difference ice thicknesses

Table 5. Average ice resistance by SPH with difference ice thicknesses

Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and h_i = 0.3 m

Table 3. Comparison of prediction accuracy of ice breaking resistance with different bending strength when V = 4 kn and h_i = 0.3 m