Apparatus and method for determining flow characteristics of a f

Details Apparatus and method for determining flow characteristics of a f Apparatus and method for determining flow characteristics of a f

1980-12-18

1983-08-09

Goldstein, Herbert

Measuring and testing

Volume or rate of flow

Of selected fluid mixture component

73154, 7386142, G01F 134, G01F 174

Patent

active

043971903

ABSTRACT:
A method and apparatus for determining the flow rate and other flow characteristics of a polyphase fluid or a turbulent single-phase fluid flowing in a conduit are disclosed. Two differential pressure sensors are provided, each having two pressure ports sensitive to local pressure variation in the fluid. The pressure ports are maintained in a predetermined spatial relationship and in a predetermined orientation relative to the general direction of the flow. The detection signals from the respective sensors are correlated to obtain the flow rate. Additionally, a selected one of the detection signals is processed to obtain other flow characteristics. One of these other flow characteristics, the type of flow, is useful in facilitating the determination of the flow rate.

REFERENCES:
patent: 2439723 (1948-04-01), Engdahl
patent: 3403554 (1968-10-01), Chevalier et al.
patent: 3465582 (1969-09-01), Richter, Jr. et al.
patent: 3581565 (1971-06-01), Dieterich
patent: 3926050 (1975-12-01), Turner et al.
patent: 4059744 (1977-11-01), Elderton
patent: 4231262 (1980-11-01), Boll et al.
patent: 4267726 (1981-09-01), Noik
"Correlation Techniques Achieve Valid Flow Measurement Results", in Electronic Weekly, 9/23/70.

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