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Nonlinear Dynamics of Graphene-Reinforced Inclined Two-Phase Flow Pipeline
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Yongsheng XU1, Aiwen WANG1, Xinhua ZHONG1, Hezhang LI1, 2
Chinese Quarterly of Mechanics | 2025, 46(3) : 724 - 734
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Chinese Quarterly of Mechanics | 2025, 46(3): 724-734
Nonlinear Dynamics of Graphene-Reinforced Inclined Two-Phase Flow Pipeline
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Yongsheng XU1, Aiwen WANG1, Xinhua ZHONG1, Hezhang LI1, 2
Affiliations
  • 1.School of Science, Beijing Information Science and Technology University, Beijing 100192, China
  • 2.Beijing Xuanfang Building Equipment Co. Ltd., Beijing 100053, China
Published: 2025-09-25 doi: 10.15959/j.cnki.0254-0053.2025.03.014
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A study is conducted on the nonlinear dynamics of inclined flow pipes reinforced with graphene composite materials conveying fluid under two-phase flow conditions. Based on the von Karman nonlinear strain-displacement relationship and Hamilton's principle, the dynamic equations for inclined two-phase flow pipelines are established. The nonlinear dynamic model was solved using Galerkin method and fourth-order Runge-Kutta method to analyze the influence of the distribution pattern, weight fraction, and gas volume fraction of graphene platelets on the natural frequency and nonlinear dynamics of pipes conveying fluid. The experimental results show that the vibration amplitude of graphene reinforced pipes with V-shaped distribution is the smallest, followed by X-shaped distribution and A-shaped distribution. In addition, increasing the gas volume fraction can help alleviate fluid-induced vibration phenomena in pipelines. The above conclusion provides a theoretical basis for the application of graphene-reinforced inclined two-phase flow pipelines in practical engineering.

graphene reinforced composite materials  /  pipes conveying fluid  /  two-phase flow  /  nonlinear dynamics
Yongsheng XU, Aiwen WANG, Xinhua ZHONG, Hezhang LI. Nonlinear Dynamics of Graphene-Reinforced Inclined Two-Phase Flow Pipeline[J]. Chinese Quarterly of Mechanics, 2025 , 46 (3) : 724 -734 . DOI: 10.15959/j.cnki.0254-0053.2025.03.014
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Year 2025 volume 46 Issue 3
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Article Info
doi: 10.15959/j.cnki.0254-0053.2025.03.014
  • Receive Date：2025-04-11
  • Online Date：2026-03-24
  • Published：2025-09-25
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  • Received：2025-04-11
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    1.School of Science, Beijing Information Science and Technology University, Beijing 100192, China
    2.Beijing Xuanfang Building Equipment Co. Ltd., Beijing 100053, 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
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
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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