Method for operating a mass flow meter

Details Method for operating a mass flow meter Method for operating a mass flow meter

2005-10-26

2008-03-18

Thompson, Jewel (Department: 2855)

Measuring and testing

Volume or rate of flow

Mass flow by imparting angular or transverse momentum to the...

Reexamination Certificate

active

07343822

ABSTRACT:
A method for operating a mass flowmeter that employs the Coriolis principle and through which flows a medium, wherein the mass flowmeter incorporates a measuring tube that can be stimulated to oscillate, the measuring tube is stimulated to oscillate at a minimum of two mutually different frequencies and/or in at least two mutually different natural oscillating modes, and the resulting oscillations of the measuring tube are recorded. The density of the medium flowing through the measuring tube is determined by evaluating the acquired oscillations of the measuring tube on the basis of a physical-mathematical model for the dynamics of the mass flowmeter. In this fashion, highly accurate measurements are obtained for determining the density of the medium flowing through the measuring tube.

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Kourosh Kolahi, Cooperative Sensor Fusion in the Mass Flow Measurement and in the Production of Micro Organisms, Technishes Messen 71 (2004) 4, Oldenbourg Verlag, pp. 154-163.
Thorsten Schröder et. al., A Novel Control Algorithm for Coriolis Mass Flowmeters, Technisches messes 71 (2004) 4, Oldenbourg Verlag, pp. 259-267.

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