What is it about?
In contrast to current flow metering techniques, the method presented here introduces a novel approach that leverages radio frequency (RF) pulses to generate localized magnetic marks within the flowing fluid. These magnetic marks serve as reference points for measuring flow velocity using a time-of-flight procedure. This research primarily focuses on exploring the influence of the flow profile, which represents the distribution of velocities across the pipe diameter, on the resulting magnetic signal.
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Why is it important?
This novel approach to flow measurement offers several advantages. Firstly, it eliminates the need for direct contact with the fluid, making it suitable for a wide range of applications where contact may not be feasible or desirable. Additionally, the method provides valuable insights into the influence of the flow profile on flow metering. Understanding the flow profile is crucial for accurate measurement and control of fluid flow in various industries.
Perspectives
The development of a contactless method for measuring the flow profile in pipes opens up exciting possibilities for future research and practical applications. By further refining the technique, it may be possible to enhance the sensitivity to the flow profile to enable a real mapping of the flow profile. This contactless approach has the potential to significantly improve flow metering systems, offering non-intrusive and efficient solutions for diverse industries that rely on precise fluid flow measurements.
Leonhard Schmieder
Fraunhofer IPM
Read the Original
This page is a summary of: Radio frequency pulse marking of nuclear magnetization for magnetic flow metering: The impact of the flow profile, Journal of Applied Physics, April 2024, American Institute of Physics,
DOI: 10.1063/5.0204641.
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