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DAVID W. SPITZER'S E-ZINE

TECHNICAL AND MARKETING SERVICES
FOR INSTRUMENTATION SUPPLIERS AND END-USERS

This issue sponsored by Spitzer and Boyes, LLC

JULY 2006

Vortex Shedding and Fluidic Flowmeters

Vortex shedding and other fluidic effects are oscillations that occur when fluids pass by an object or obstruction. Examples of these effects in nature include the whistling caused by wind blowing by the branches of trees, the swirls produced downstream of a rock in a rapidly flowing river, and the waving of a flag the wind. Note that in all of these examples, when the flow is slowed, the phenomenon ceases. That is, the whistling stops when the wind dies down, the water flows calmly around the rock when the river is not flowing rapidly, and the flag does not wave in a mild breeze. click for more...

Ensuring That Flowmeters Meet Their Intended Use at Installation

Flowmeters should be installed, operated, and maintained properly to achieve optimal performance. Failure to do so can result in significant complications. click for more...

Accuracy vs. Repeatability:
What's the Difference, and Why Is It Important?

The debate over repeatability and accuracy of flow measurement seems to replay itself every so often. I admit having an opinion, but there are valid arguments on both sides that should be heard. click for more...

 

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ISSN 1538-5280
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