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Vibratory flowmeter friction compensation

A friction compensation, flowmeter technology, applied in direct mass flowmeter, mass flow measurement device, liquid/fluid solid measurement, etc., can solve problems such as affecting flow measurement results and disadvantages

Active Publication Date: 2012-10-31
MICRO MOTION INC
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Frictional effects and resulting turbulence can adversely affect flow measurement results

Method used

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  • Vibratory flowmeter friction compensation
  • Vibratory flowmeter friction compensation
  • Vibratory flowmeter friction compensation

Examples

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Embodiment Construction

[0044] Figure 1-6 The following description and description describe specific examples to teach those skilled in the art how to make and use the best mode of the invention. For the purpose of teaching the principles of the invention, some conventional aspects are simplified or omitted. Variations from these examples that fall within the scope of the invention will be appreciated by those skilled in the art. Those skilled in the art will appreciate that the features described below can be combined in various ways to form multiple variations of the invention. As a result, the invention is not limited to the specific examples described below, but only by the claims and their equivalents.

[0045] figure 1 A vibratory flow meter 5 according to the invention is shown. Vibratory flow meter 5 includes flow meter assembly 10 and meter electronics 20 . Meter electronics 20 are connected to meter assembly 10 via leads 100 and are configured to provide measurements of one or more ...

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Abstract

The invention relates to meter electronics (20) for vibratory flowmeter friction compensation is provided. The meter electronics (20) includes an interface (201) configured to communicate with a flowmeter asssembly (10) of a vibratory flowmeter (5) and receive a vibrational response and a processing system (203) coupled to the interface (201) and configured to measure a mass flow rate of a fluid using the vibrational response. The processing system (203) is configured to determine a fluid velocity (V) using the mass flow rate, a fluid density (p), and a cross-sectional flow area (A), determine a friction factor (f) using the fluid velocity (V) and a pressure drop (?P), and determine a compensation factor using the friction factor (f). The invention also relates to a vibratory flowmeter compensation method.

Description

technical field [0001] The present invention relates to a vibratory flowmeter, and more particularly, to a vibratory flowmeter friction compensation. Background technique [0002] Vibrating pipe sensors, such as Coriolis mass flow meters and vibrating density meters, typically work by detecting the motion of a vibrating pipe containing flowing material. By processing measurement signals received from motion transducers associated with the conduit, properties associated with the material in the conduit, such as mass flow, density, etc., can be determined. The vibration modes of a system filled with a vibrating material are generally affected by the combined mass, stiffness, and damping properties of the containing pipe and the material contained in the pipe. [0003] A typical Coriolis mass flow meter includes one or more pipes that are connected in-line in a pipeline or other transportation system and transport materials, such as fluids, slurries, latex, etc., in the system...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/84G01F25/00
CPCG01F25/0007G01F1/8436G01F1/8477G01F25/10
Inventor A.W.潘克拉茨J.魏因施泰因
Owner MICRO MOTION INC
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