Linda Jane Hofmann

US Patent:

52071073, May 4, 1993

Filed:

Jun 20, 1991

Appl. No.:

7/718477

Inventors:

Henry A. Wolf - Franklin Lakes NJ
Richard E. Walter - Long Valley NJ
Linda Hofmann - Baton Rouge LA
George D. Cody - Princeton NJ
Gerald V. Storch - Bridgewater NJ

Assignee:

Exxon Research and Engineering Company - Florham Park NJ

International Classification:

G01F 174

US Classification:

7386104

Abstract:

A method for measuring the mass flow rate of liquid flow exiting a two phase (gas/liquid) feed nozzle. The method includes determining the Power Spectral Density from the output of an accelerometer in close proximity to the restriction orifice controlling the gas flow, or determining the Power Spectral Density from the output of a pressure transducer in contact with the gas flow on the down stream side of the restriction orifice. The liquid flow can then be obtained from a predetermined correlation between the RMS Vibrational Signal and the mass or liquid flow rate.