G - Physics – 01 – F
Patent
G - Physics
01
F
324/47, 324/49
G01F 1/58 (2006.01) G01F 1/64 (2006.01) G01F 1/712 (2006.01)
Patent
CA 1277372
ABSTRACT The invention is a non-intrusive system for measuring the flow rates of insulating or conducting fluids in conduits. It results from the combination of an elec- tromagnetic flowmeter, operating with conducting fluids, and of a triboelectric noise cross-correlation flow- meter, operating with insulating fluids. The system is equipped with a non-intrusive device for measuring fluid conductivity. The electronic signal processing unit uses the conductivity value to decide which of the two sen- sors is providing a signal effectively representing the fluid flow rate. The electromagnetic flowmeter may use electrodes of small cross-section in contact with the fluid or, more advantageously, it may be of the capacitive type using larger section electrodes isolated from the fluid. (see figure 1).
552585
Codazzi Daniel
Mioque Jean-Yves
Montaron Bernard
Codazzi Daniel
Etudes Et Fabrication Dowell Schlumberger
Mioque Jean-Yves
Montaron Bernard
Smart & Biggar
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