Superficial Layer MHD Effect and Full-Cover Free Surface Flow Characterizing

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DOI: 10.4236/wjnst.2014.42011    3,027 Downloads   4,399 Views  Citations

ABSTRACT

Up to now, no a real full-cover liquid metal (LM) free surface flow have been successfully used in magnetic fusion devices as MHD instability and unavoidable rivulet flow. Recently, after we carried out a guidable free curve-surface flow on theoretically and experimentally, seeking for other way to get a full-cover free surface flow is also in implementing. The superficial layer MHD effect in free surface flow is experimentally observed. After compared and analyzed the characteristic parameters of the free surface flow, the conditions of full-cover free surface flow are found. Meanwhile, the new two parameters of surface cover ratio and rivulet flow index are introduced to characterize the flowing characteristic of the full-cover free surface flow under magnetic field. According to the analysis rule, for different liquid metal, there are the different unique conditions to meet full-cover free surface flow under magnetic field. This may be a way to solve free surface flow major MHD key issue for LM PFCs.

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Xu, Z. , Pan, C. , Zhang, X. and Chen, J. (2014) Superficial Layer MHD Effect and Full-Cover Free Surface Flow Characterizing. World Journal of Nuclear Science and Technology, 4, 65-72. doi: 10.4236/wjnst.2014.42011.

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