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DAVID W. SPITZER'S E-ZINE

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This issue sponsored by RFI Racine Flow Meter Group

APRIL 2008

Vortex and Fluidic Flowmeters (Part 4 of 4)

Reynolds number is the dimensionless ratio of the inertial forces (that tend to move the fluid downstream) to the viscous forces (that tend to slow the fluid). This ratio gives an indication of the hydraulic nature of the fluid flow. Typically, fluid flows with similar Reynolds numbers exhibit similar hydraulic characteristics. click for more...

Flowmeters Get Around

According to the number crunchers at Flow Research, the value of the flowmeters sold worldwide last year runs well into the hundreds of millions of dollars. That’s a lot of flowmeters. Most show up in the usual places-water and wastewater facilities, oil and gas operations, and batch processing facilities. However, not every flowmeter is destined for such prosaic applications. Some end up in underground lakes or inside cement mixers. The really lucky ones get to go to the ski slopes or major amusement parks. click for more...

Pressure & Temperature Tap Placement:
Deciding Between Upstream and Downstream Location

In most applications, the pressure and temperature of a gas flow can vary - sometimes significantly. Often, these variations are not considered during design and only become apparent during operation. click for more...

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