吉林大学学报(工学版) ›› 2017, Vol. 47 ›› Issue (3): 737-743.doi: 10.13229/j.cnki.jdxbgxb201703007

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Dynamic characteristics of liquid sloshing in partially-filled tank

LI Xian-sheng1, MENG Xiang-yu1, ZHENG Xue-lian1, CHENG Zhu-qing2, REN Yuan-yuan1   

  1. 1.College of Transportation, Jilin University, Changchun 130022, China;
    2.R&D Center,BAIC Motor Co., Ltd.,Beijing 101300,China
  • Online:2017-05-20 Published:2017-05-20

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Abstract: In order to understand the handling stability of tanker and explore effective stability control strategy, the liquid sloshing in partially-filled tanks with circular or elliptical cross-section is simulated using FLUENT, and the corresponding parameters are recorded. Then, the recorded data are processed in time and frequency domains. It is discovered that liquid sloshing presents periodic characteristics. The odd oscillation modes have asymmetrical waves, which contribute to the moving of the gravity center of liquid. Besides, the first oscillation mode contributes most to the moving of the gravity center. At the same time, the even oscillation modes have symmetrical waves, which do not contribute to the moving of the gravity center of liquid. It is also found that the filling percentage of liquid and external excitation are the main factors. The growth of the external excitation increases the nonlinear feature of liquid sloshing. Also, the growth of the liquid filling level also increases the nonlinear characteristics of liquid sloshing.

Key words: engineering of communications and transportation safety, tank vehicles, liquid sloshing, time domain and frequency domain analysis, dynamic characteristics

CLC Number: 

  • U469.61
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