Structural characteristics of corrugated sandwich rectangular pressure vessels
Abstract Rectangular cross-section pressure vessels are favored for point-to-point liquid cargo transportation due to their compact structure, stability, and high volumetric efficiency. However, they suffer from insufficient local stiffness, resulting in lower load-bearing capacity compared to circu...
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Nature Portfolio
2025-03-01
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| Series: | Scientific Reports |
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| Online Access: | https://doi.org/10.1038/s41598-025-95592-9 |
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| author | Lingxue Zhu Yuan Fang Yifan Shen Hongfeng Li Yitong Wang Xiaolei Zhu Xiaofeng Lu |
| author_facet | Lingxue Zhu Yuan Fang Yifan Shen Hongfeng Li Yitong Wang Xiaolei Zhu Xiaofeng Lu |
| author_sort | Lingxue Zhu |
| collection | DOAJ |
| description | Abstract Rectangular cross-section pressure vessels are favored for point-to-point liquid cargo transportation due to their compact structure, stability, and high volumetric efficiency. However, they suffer from insufficient local stiffness, resulting in lower load-bearing capacity compared to circular cross-section pressure vessels. The corrugated sandwich structure offers excellent bending performance, lightweight properties, and ease of forming. This paper proposes and designs a rectangular pressure vessel enhanced with a corrugated sandwich structure. Finite element analysis is employed to study its load-bearing characteristics, and the mechanical model is simplified accordingly. A deviation of 4.55% was found through theoretical calculations, confirming the accuracy of the finite element analysis results. The new pressure vessel design increases volume by 17.2% compared to traditional designs. The ratio of the moment of inertia of the circumferential reinforcement structure ( $$I_{z\;sq}$$ ) to that of the external corrugated sandwich structure ( $$I_{z\;sd}$$ ), denoted as Π 1. As the parameter Π 1 increases, the average displacement and maximum stress show an increasing trend, stabilizing when Π 1 ≥ 1.14. With the increase of Π 2, the average displacement rises, while the maximum stress first increases and then decreases, reaching its minimum at Π 2 = 1.55. |
| format | Article |
| id | doaj-art-6e2ef252c1064bc3b6004bb7182ffdcc |
| institution | Kabale University |
| issn | 2045-2322 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | Nature Portfolio |
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| series | Scientific Reports |
| spelling | doaj-art-6e2ef252c1064bc3b6004bb7182ffdcc2025-08-20T03:41:12ZengNature PortfolioScientific Reports2045-23222025-03-0115112210.1038/s41598-025-95592-9Structural characteristics of corrugated sandwich rectangular pressure vesselsLingxue Zhu0Yuan Fang1Yifan Shen2Hongfeng Li3Yitong Wang4Xiaolei Zhu5Xiaofeng Lu6Department of Mathematics, Jinling Institute of TechnologySchool of Mechanical and Power Engineering, Nanjing Tech UniversityCommercialization Empowerment and Management Office, Anker Innovations Technology Co LtdSchool of Mechanical and Power Engineering, Nanjing Tech UniversityChina Petroleum Jilin Chemical Engineering Co., LTDSchool of Mechanical and Power Engineering, Nanjing Tech UniversitySchool of Mechanical and Power Engineering, Nanjing Tech UniversityAbstract Rectangular cross-section pressure vessels are favored for point-to-point liquid cargo transportation due to their compact structure, stability, and high volumetric efficiency. However, they suffer from insufficient local stiffness, resulting in lower load-bearing capacity compared to circular cross-section pressure vessels. The corrugated sandwich structure offers excellent bending performance, lightweight properties, and ease of forming. This paper proposes and designs a rectangular pressure vessel enhanced with a corrugated sandwich structure. Finite element analysis is employed to study its load-bearing characteristics, and the mechanical model is simplified accordingly. A deviation of 4.55% was found through theoretical calculations, confirming the accuracy of the finite element analysis results. The new pressure vessel design increases volume by 17.2% compared to traditional designs. The ratio of the moment of inertia of the circumferential reinforcement structure ( $$I_{z\;sq}$$ ) to that of the external corrugated sandwich structure ( $$I_{z\;sd}$$ ), denoted as Π 1. As the parameter Π 1 increases, the average displacement and maximum stress show an increasing trend, stabilizing when Π 1 ≥ 1.14. With the increase of Π 2, the average displacement rises, while the maximum stress first increases and then decreases, reaching its minimum at Π 2 = 1.55.https://doi.org/10.1038/s41598-025-95592-9Pressure vesselRectangular sectionCorrugated sandwich structureFinite element model |
| spellingShingle | Lingxue Zhu Yuan Fang Yifan Shen Hongfeng Li Yitong Wang Xiaolei Zhu Xiaofeng Lu Structural characteristics of corrugated sandwich rectangular pressure vessels Scientific Reports Pressure vessel Rectangular section Corrugated sandwich structure Finite element model |
| title | Structural characteristics of corrugated sandwich rectangular pressure vessels |
| title_full | Structural characteristics of corrugated sandwich rectangular pressure vessels |
| title_fullStr | Structural characteristics of corrugated sandwich rectangular pressure vessels |
| title_full_unstemmed | Structural characteristics of corrugated sandwich rectangular pressure vessels |
| title_short | Structural characteristics of corrugated sandwich rectangular pressure vessels |
| title_sort | structural characteristics of corrugated sandwich rectangular pressure vessels |
| topic | Pressure vessel Rectangular section Corrugated sandwich structure Finite element model |
| url | https://doi.org/10.1038/s41598-025-95592-9 |
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