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Analysis of Environmental Impact Assessment for Lightweighting Effects of CFRP Hull Structures
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Hui BIAN1, Jiawei XIA1, Zhiqiang HAN1, *, Xiwu GONG1, Chengwei LIU2
Ship Engineering | 2026, 48(3) : 50 - 56
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Ship Engineering | 2026, 48(3): 50-56
• Ship Design, Structure and Performance •
Analysis of Environmental Impact Assessment for Lightweighting Effects of CFRP Hull Structures
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Hui BIAN1, Jiawei XIA1, Zhiqiang HAN1, *, Xiwu GONG1, Chengwei LIU2
Affiliations
  • 1.School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, Zhejiang, China
  • 2.Zhoushan Changhong International Ship Repair Co., Ltd., Zhoushan 316054, Zhejiang, China
Published: 2026-03-25 doi: 10.13788/j.cnki.cbgc.2026.03.06
Outline
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[Purpose]

To investigate the carbon fiber reinforced polymer (CFRP) hull lightweighting effect on the environmental impact,

[Method]

Life cycle assessment on an 11 m CFRP high-speed vessel is conducted, focusing on atmospheric pollution indicators: global warming potential (GWP) and ozone depletion potential (ODP).

[Result]

The results demonstrate that the fiber content adjustment-based lightweight design algorithm can achieve a 12.5% reduction of hull structure mass while maintaining structural safety by increasing fiber content from 40% (original case) to 55% (lightweight design case) approximately. However, due to the significantly higher environmental burden of carbon fiber production compared to resin, the manufacturing phase saw increases of 10.24% in GWP and 14.37% in ODP. Conversely, the operational phase benefited from reduced fuel consumption due to lightweighting, saving 323.98 t of fuel over 25 years, which decreased GWP and ODP by 4.13% and 4.19%, respectively.

[Conclusion]

The operational phase ultimately offset the negative environmental impacts of the manufacturing phase. Critical insights for green ship design and maritime industry decarbonization strategies is provided.

carbon fiber-reinforced polymer  /  hull structure  /  lightweight design  /  life cycle assessment
Hui BIAN, Jiawei XIA, Zhiqiang HAN, Xiwu GONG, Chengwei LIU. Analysis of Environmental Impact Assessment for Lightweighting Effects of CFRP Hull Structures[J]. Ship Engineering, 2026 , 48 (3) : 50 -56 . DOI: 10.13788/j.cnki.cbgc.2026.03.06
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Year 2026 volume 48 Issue 3
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Article Info
doi: 10.13788/j.cnki.cbgc.2026.03.06
  • Receive Date：2025-02-22
  • Online Date：2026-04-24
  • Published：2026-03-25
Article Data
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History
  • Received：2025-02-22
  • Revised：2025-05-11
Funding
Affiliations
    1.School of Naval Architecture and Maritime, Zhejiang Ocean University, Zhoushan 316022, Zhejiang, China
    2.Zhoushan Changhong International Ship Repair Co., Ltd., Zhoushan 316054, Zhejiang, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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