Method for monitoring flow condition of liquid metal

Details Method for monitoring flow condition of liquid metal Method for monitoring flow condition of liquid metal

1981-04-16

1983-04-26

Ruehl, Charles A.

Measuring and testing

Gas content of a liquid or a solid

By vibration

7386111, 324204, G01F 158, G01N 2774

Patent

active

043809243

ABSTRACT:
A method for monitoring flow condition of a liquid metal which employs a detector consisting of an excitation coil applied with an a.c. current and at least two detection coils disposed on both sides of said excitation coil. The detector is disposed in the flowing direction of the liquid metal and a peak point of the cross-correlation function of fluctuation signals occurring in said detection coils is examined. By detecting the moving direction, the polarity and the magnitude of the peak point, the flow condition can be comprehensively ascertained, such as a change in flow velocity, a change in void fraction, the presence of voids and transit velocity of void.

REFERENCES:
patent: 3824456 (1974-07-01), Wiegand
patent: 3967500 (1976-07-01), Forster
patent: 4144741 (1979-03-01), Nakamoto et al.
patent: 4145924 (1979-03-01), Muller

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