NDLI: Numerical analysis of coupling MHD rectangular ducts flows

Content Provider	IEEE Xplore Digital Library
Author	Xiujie Zhang Chuanjie Pan Zengyu Xu
Copyright Year	2013
Description	Author affiliation: Southwestern Inst. of Phys., Chengdu, China (Xiujie Zhang; Chuanjie Pan; Zengyu Xu)
Abstract	Liquid metal magnetohydrodynamic (MHD) flows through the electrical coupling rectangular ducts are investigated based on a fully developed modeling. Numerical simulations of four different coupling MHD duct flows are carried out to get the results of the MHD pressure drop and the velocity distribution. The first and second cases are that the coupling rectangular ducts are arranged along the direction of external magnetic field, the flow direction in the two ducts is the same in case 1 but it is opposite in case 2; in the third and fourth cases another coupling duct is extended along the perpendicular direction of the external magnetic field, the flow direction is identical in case 3 but it is opposite in case 4. Numerical results of the velocity and the induced electrical current distributions in the cross sections of the coupling ducts are given in those four different cases, it is indicated that the external magnetic field has a different effect on the flow pattern in those four cases. The MHD pressure drop in those four different cases are compared with the result of one normal rectangular duct flow, the MHD pressure drop of case 1 is reduced compare to the result of one normal duct MHD flows and result of case 4 is almost the same as one normal duct but the results of case 2 and 3 are larger than it, especially in case 2 it is several times larger than the result of one normal duct flow, in addition, the MHD pressure gradient decreases with the increase of the wall conductance ratio. These results are very important and should be considered in the future liquid blanket design.
Starting Page	1
Ending Page	5
File Size	462328
Page Count	5
File Format	PDF
e-ISBN	9781479901715
DOI	10.1109/SOFE.2013.6635324
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ducts Magnetohydrodynamics Couplings Magnetic fields Magnetic liquids Metals Current distribution pressure drop Liquid metal electrical coupling MHD effect
Content Type	Text
Resource Type	Article

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