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Numerical Study on the Characteristic of Temperature Drop of Crude Oil in a Model Oil Tanker Subjected to Oscillating Motion

Author

Listed:
  • Guojun Yu

    (Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China
    School of Naval Architecture, Ocean & Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Qiuli Yang

    (Merchant Marine College, Shanghai Maritime University, Shanghai 201306, China)

  • Bing Dai

    (China Petroleum Technology & Development Corporation, Beijing 100009, China)

  • Zaiguo Fu

    (College of Energy and Mechanical Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

  • Duanlin Lin

    (Hubei Subsurface Multi-Scale Imaging Key Laboratory, Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China)

Abstract

During tanker transportation, crude oil is heated occasionally to ensure its good flowability. Whether the heating scheme is scientific or not directly influences the safety and economy of the tanker transportation. The determination of a scientific heating scheme requires fully understanding of the characteristic of oil temperature drop during tanker transportation. However, the oscillation caused by the marine environment leads to totally different thermal and hydraulic characteristic from that of the static cases. Therefore, a systematic investigation of thermal and hydraulic process of the motion system is more than necessary. Since the marine is subjected to rotational and/or translational motion, the essence of the temperature drop process is an unsteady mixed convection process accompanied with free liquid surface movement. In this study, the movement of the free liquid surface and the characteristic of the temperature drop of the crude oil in the cargo when the tanker is subjected to rotational motion were investigated using ANSYS FLUENT (15.0, Ansys, Inc., Canonsburg, PA, USA) with user defined functions. The research result shows that the oscillating motion leads to the motion of the free surface, converting the natural convection for the static case to forced convection, and thus significantly enhancing the temperature drop rate. It is found that the temperature drop rate is positively related to the rotational angular velocity.

Suggested Citation

  • Guojun Yu & Qiuli Yang & Bing Dai & Zaiguo Fu & Duanlin Lin, 2018. "Numerical Study on the Characteristic of Temperature Drop of Crude Oil in a Model Oil Tanker Subjected to Oscillating Motion," Energies, MDPI, vol. 11(5), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:5:p:1229-:d:145772
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    Cited by:

    1. Jianchao Cai & Shuyu Sun & Ali Habibi & Zhien Zhang, 2019. "Emerging Advances in Petrophysics: Porous Media Characterization and Modeling of Multiphase Flow," Energies, MDPI, vol. 12(2), pages 1-5, January.
    2. Dongxu Han & Qing Yuan & Bo Yu & Danfu Cao & Gaoping Zhang, 2018. "BFC-POD-ROM Aided Fast Thermal Scheme Determination for China’s Secondary Dong-Lin Crude Pipeline with Oils Batching Transportation," Energies, MDPI, vol. 11(10), pages 1-25, October.
    3. Chuancheng Liu & Qiangyong Zhang & Kang Duan & Wen Xiang & Yuyong Jiao, 2020. "Development and Application of an Intelligent Test System for the Model Test on Deep Underground Rock Caverns," Energies, MDPI, vol. 13(2), pages 1-16, January.

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