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Correcting a measured flow rate for viscosity effects

A technology of mass flow rate and viscosity, applied in the direction of measuring flow/mass flow, measuring device, direct mass flow meter, etc.

Active Publication Date: 2019-12-17
MICRO MOTION INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The challenge is to develop a correction method that does not use viscosity or a number based on viscosity measurements such as the Reynolds number or use equipment other than a Coriolis mass flow meter

Method used

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  • Correcting a measured flow rate for viscosity effects
  • Correcting a measured flow rate for viscosity effects
  • Correcting a measured flow rate for viscosity effects

Examples

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Embodiment Construction

[0041] Figure 1 to Figure 9 and the following description depict specific examples to teach those skilled in the art how to make and use the best mode of embodiment that corrects measured flow rates for viscosity effects. For the purpose of teaching the principles of the invention, some conventional aspects have been simplified or omitted. Those skilled in the art will appreciate variations from these examples that fall within the scope of the description. Those skilled in the art will appreciate that the features described below can be combined in various ways to form variations that correct the measured flow rate for viscosity effects. As a result, the embodiments described below are not limited to the specific examples described below, but only by the claims and their equivalents.

[0042] A system and method for correcting a measured flow rate for viscosity effects of a fluid in a vibrating meter includes at least a sensor assembly and meter electronics in communication...

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Abstract

A system (600, 700) for correcting a measured flow rate for viscosity effects of a fluid in a vibratory meter (5) is provided. The system (600, 700) includes a sensor assembly (10) and a meter electronics (20) communicatively coupled to the sensor assembly (10). The meter electronics (20) is configured to receive sensor signals from the sensor assembly (10), determine a non-viscosity correlation parameter based on the sensor signals, and correlate the non-viscosity correlation parameter to a viscosity of a fluid in the sensor assembly (10).

Description

technical field [0001] Embodiments described below relate to vibration sensors and, more particularly, to correcting measured flow rates for viscosity effects. Background technique [0002] Vibration sensors such as, for example, vibrating densitometers and Coriolis flow meters are commonly known and are used to measure the mass flow rate and other information about a material flowing through a conduit in a flow meter. Exemplary Coriolis flow meters are disclosed in US Patent 4,109,524, US Patent 4,491,025 and Re. 31,450. These flow meters have a meter assembly with one or more conduits in a straight or curved configuration. For example, each conduit configuration in a Coriolis mass flow meter has a set of natural modes of vibration, which may be of the simple bending, torsional, or coupled type. Each catheter can be driven to oscillate in a preferred mode. When there is no flow through the flowmeter, a driving force applied to the conduit(s) causes all points along the c...

Claims

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Application Information

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IPC IPC(8): G01F1/84G01N11/16G01F25/00G01F15/02
CPCG01F1/8436G01N11/16G01F15/02G01F25/10G01F1/8427G01F1/8477
Inventor D.M.斯坦迪福德
Owner MICRO MOTION INC
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