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Review on Enhancing Electrical Conductivity of Seawater

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The proceedings of the 16th Annual Conference of China Electrotechnical Society

Part of the book series: Lecture Notes in Electrical Engineering ((LNEE,volume 891))

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Abstract

Magnetohydrodynamic (MHD) propulsion is a new type of water jet propulsion that directly uses seawater as the conductive and propelling medium. Most electrical energy converts into joule heat because of the low electrical conductivity of seawater, which results in low efficiencies and restricts the practical application of MHD propulsion technology. The enhancement of seawater electrical conductivity not only significantly improves the propulsion efficiency, but also promotes the practical development of MHD technology. This paper analyzes the influencing factor of seawater electrical conductivity and its mechanism, then summarizes the methods of enhancing seawater electrical conductivity at home and abroad, finally points out the challenges of enhancing seawater electrical conductivity in MHD propulsion.

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Authors and Affiliations

  1. Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing, 100190, China

    Xianlei Feng

  2. University of Chinese Academy of Sciences, Beijing, 100049, China

    Xianlei Feng

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  1. Xianlei Feng
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Correspondence to Xianlei Feng .

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Editors and Affiliations

  1. Beijing Jiaotong University, Beijing, China

    Jinghan He

  2. Institute of Electrical Engineering, Beijing, Beijing, China

    Yaohua Li

  3. Tianjin University of Technology, Tianjin, Tianjin, China

    Qingxin Yang

  4. Department of Electrical Engineering, Tsinghua University, Beijing, China

    Xidong Liang

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Feng, X. (2022). Review on Enhancing Electrical Conductivity of Seawater. In: He, J., Li, Y., Yang, Q., Liang, X. (eds) The proceedings of the 16th Annual Conference of China Electrotechnical Society. Lecture Notes in Electrical Engineering, vol 891. Springer, Singapore. https://doi.org/10.1007/978-981-19-1532-1_99

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  • DOI: https://doi.org/10.1007/978-981-19-1532-1_99

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-1531-4

  • Online ISBN: 978-981-19-1532-1

  • eBook Packages: EngineeringEngineering (R0)

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