EVERYTHING YOU WANT TO KNOW ABOUT THERMAL MASS FLOW
Thermal mass flow meters — also known as thermal dispersion or immersible mass flow meters — measure the total mass flow rate of a fluid, usually gases, flowing through a closed conduit.
To help you understand these process control tools, Magnetrol® expert Tom Kemme answered two big questions in this blog post.
Expert Answers to Two Thermal Mass Flow Questions
Here’s a preview of what you can find in the post
1. Will thermal mass flow meters be affected by changes in the composition of gas?
Thermal mass flow meters measure a flow rate based on convective heat transfer. Fluid properties are some of the many factors that influence convection. Each gas has unique properties, which is why these flow meters are calibrated for a specific application. You wouldn’t want a meter calibrated for an air application placed into a natural gas application without recalibration or some type of field adjustment if applicable.
2. What role do thermal flow meters play in emissions monitoring applications?
Thermal flow meters are at the forefront in flow measurement for emissions reporting and energy management projects. Some popular applications include monitoring gas fuel flow to a combustion source to report SO2 emissions, stack gas flow in power plants as part of a continuous emissions monitoring (CEM) system of NOX and SO2 and flares in a gas field that need to be reported to environmental authorities. These applications prove difficult for many flow meter technologies.
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