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Particle Injection Mass Flow Rate and Position

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Old   April 24, 2011, 14:26
Default Particle Injection Mass Flow Rate and Position
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Leon Ong
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Hi community,

1) Does anyone know how to get the total mass flow rate in Particles injection. mass flow rate = density x area x velocity
it look simple if consider only fluid flow in pipe. does particle mass flow need other formula or do i need to fin speed for the particles which i dont know how?
I got details for
pipe- density, area and fluid velocity,
particles- density and diameter(sphere)
and volume fraction of 0.073

2) How to inject particles at the bottom of the pipe.
is it to select injection type as single and key in x,y,z value. cause my seems not able to converge.
and what should the particle velocity be like zero or my fluid flow velocity?

some one please help... plz
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dpm, dpm in fluent, fluent, mass flow rate, particle


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