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Magnetic flux distortion in two-phase liquid metal flow: Model experiment

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Figure

FIG. 1. Magnetic flux distortion system with a two-phase medium. P is the primary coil excited by an AC current I, S 1 and S 2 are the two secondary coils, and U is the velocity of the two-phase flow.
Fig. 3 displays a typical demodulated DV jj signal. This kind of signal can be obtained for in phase and quadrature components and also for jjDVjj
FIG. 4. FFT spectral density of fluctuations of jjDVjj 2 vs the modulating pul- pul-sation x M for a ¼ 6:9% and U ¼ 0.001 m/s at 6283 rad/s (data from [21]).
FIG. 9. jjw a jj ¼ hw a jw a i 1=2 vs a at x ¼ 6280 rad s 1 . 䊉: grooves, and 䊏: holes.
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