Abstract
Laminar liquid metal flow fields between two parallel insulator walls under a traveling sine wave magnetic field are numerically solved for a small magnetic Reynolds number. When both average Hartmann number Ha and cubic root of interaction parameter N1/3 are much greater than dimensionless wavelength Λ, a set of turnaround lines of magnetic flux, which exist every half-wavelength, cause a set of recirculating flows. Consequently a nozzlelike converging and diverging flow is formed between them. The throat width of the nozzlelike flow is estimated to be the greater of N−1/4Λ3/4 or Ha−1/2Λ1/2 compared with the channel height.
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