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Mass Flow rate in spray water modeling

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Old   June 8, 2013, 16:05
Default Mass Flow rate in spray water modeling
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I am running a spray simulation using FLUENT in which a cold water injects through a hot air stream.the geometry is a rectangular channel and there is an injection in the middle of the channel.
I did the modeling using following conditions:

1) Air mass flow rate (main flow) =1.165 kg/s
2) injected water mass flow rate =0.5 kg/s
3) water injection was modeled using particle injection modeling.
4)Exit is pressure outlet.

In the post processing, it shows after very well convergence,

Mass inlet = 1.165 kg/s
Mass outlet= -1.165 kg/s

It seems that the Injected water mass is not added to the main flow.
Should I have to change or use some other models?

If anybody have any useful advice I will appreciate.
Thank you in advance
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