NDLI: End effect of liquid metal magnetohydrodynamic generator in wave energy direct conversion system

Content Provider	IEEE Xplore Digital Library
Author	Ling-zhi Zhao Yan Peng Ci-wen Sha Ran Li Yu-yu Xu Bao-lin Liu Jian Li
Copyright Year	2009
Description	Author affiliation: Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China (Ling-zhi Zhao; Yan Peng; Ci-wen Sha; Ran Li; Yu-yu Xu; Bao-lin Liu; Jian Li)
Abstract	The influence of end effect on electromotive force, induced magnetic field and flow loss of the reciprocating liquid metal magnetohydrodynamic (LMMHD) generator was investigated. The 3D numerical simulation was done firstly, then the electromagnetic and flow performances predicted from quasi-2D and 3D analyses were compared and three end influence coefficients quantifying end effect were defined. Factors influencing end effect were analyzed and new method to suppress the end effect was proposed in the end. The study shows that the end gradient of the external magnetic field and end leakage current are main causes of the end effect in the LMMHD generator. The velocity in MHD channel and end gradient of the applied magnetic field are two key factors affecting the end effect greatly. The integration of insulating vane and low end gradient of the applied magnetic field can effectively suppress the end current and decrease energy losses.
Starting Page	1
Ending Page	6
File Size	612400
Page Count	6
File Format	PDF
ISBN	9781424449347
DOI	10.1109/SUPERGEN.2009.5348022
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Marine technology Insulation Magnetohydrodynamics Blades Magnetohydrodynamic power generation Magnetic liquids Electromagnetic forces Fluid flow Magnetic field effects Magnetic analysis Electromagnetic analysis Engines Electromagnetic coupling Simulation Numerical simulation Leakage current Performance analysis Eddy current Magnetic fields Power generation
Content Type	Text
Resource Type	Article

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