G - Physics – 01 – F
Patent
G - Physics
01
F
73/125, 73/132,
G01F 1/34 (2006.01) G01F 1/36 (2006.01) G01F 1/40 (2006.01) G01F 1/74 (2006.01) G01F 15/08 (2006.01)
Patent
CA 1220646
"TWO PHASE FLOWMETER" ABSTRACT OF THE DISCLOSURE The tubular flowmeter is capable of measuring two different physical parameters in a flowing mixture of liquid and gas (such as wet steam). These measurements are such that they can be used to determine the individual gas and liquid flowrates. The flowmeter comprises first means, such as an orifice plate or a twisted tape, for causing an accelerational or frictional pressure drop in the total flow. Suitable means measure such pressure drop. Downstream of the first means is positioned means for inducing rotational motion of the total flow, to cause the mixture to separate while remaining within the same conduit into discrete liquid and gas flows. Such means may comprise a rib ex- tending helically along the inner surface of the flowmeter. Means, such as a pitot-static tube assembly, measure a pressure head indicative of the velocity of the gas flow. Downstream from this velocity measure- ment device, the two phases are permitted to mix freely again, all the time remaining within the same conduit. The total flow pressure drop and gas flow velocity head measurements are used to compute or determine the individual gas and liquid flowrates.
458921
Rhodes Edward
Scott Donald S.
Alberta Science And Research Authority
Johnson Ernest Peter
LandOfFree
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