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Mass transfer rate in 2D simulation

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Old   July 16, 2021, 02:30
Default Mass transfer rate in 2D simulation
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Stanlee
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Hi there,

I am trying to model the evaporation of a swimming pool using the VOF and Lee model. A UDF has been hooked to restrict the evaporation only happens on the interface. I notice that in the post-processer, the unit of Phase Interaction - Mass transfer rate is in kg/m^3 s. However, in order to compare with others' experimental results, the unit should be kg/m^2 s. Any idea of how to convert the unit?

Thanks
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Old   July 28, 2021, 04:29
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Quote:
Originally Posted by stanlee8 View Post
Hi there,

I am trying to model the evaporation of a swimming pool using the VOF and Lee model. A UDF has been hooked to restrict the evaporation only happens on the interface. I notice that in the post-processer, the unit of Phase Interaction - Mass transfer rate is in kg/m^3 s. However, in order to compare with others' experimental results, the unit should be kg/m^2 s. Any idea of how to convert the unit?

Thanks
Since its 2D simulation, m^3 can be interpreted as unit depth.
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