Particle image velocimetry measurement assumes that seeding particles follow the flow (have the same velocity as the fluid). This is not always the case. Which criterion below is used to estimate whether the particles can be said to follow the flow? The particle density is much smaller than the fluid density The particle Stokes number is much smaller than one The particle Stokes number is much larger than one The particle density is approximately the same as the fluid density
Particle image velocimetry measurement assumes that seeding particles follow the flow (have the same velocity as the fluid). This is not always the case. Which criterion below is used to estimate whether the particles can be said to follow the flow? The particle density is much smaller than the fluid density The particle Stokes number is much smaller than one The particle Stokes number is much larger than one The particle density is approximately the same as the fluid density
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Transcribed Image Text:Particle image velocimetry measurement assumes that
seeding particles follow the flow (have the same velocity
as the fluid). This is not always the case. Which criterion
below is used to estimate whether the particles can be
said to follow the flow?
The particle density is much smaller than the
fluid density
The particle Stokes number is much smaller
than one
The particle Stokes number is much larger than
one
The particle density is approximately the same
as the fluid density
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