[General] Mass flow through plane calculator

milidon · December 9, 2015, 08:51

Hi guys

I have a surface that mass flow at a certain area of the surface is going at one direction and on the rest of the surface area the flow is going on the opposite direction. How can I calculate the individual mass flow rates?

Thanks

Swempa · December 15, 2015, 10:06

Hi Milidon,

If you for instance have a flow in the x-direction, one appraoch could be to first apply a calculator to compute the flow i this direction (Scalars -> U_X), to this you can apply a threshold filter on the surface to filter out for instance the flow in positive x-direction. To this threshold filter you can thereafter apply an IntegrateVariables filter to compute the volumetric flow. If you want to have the mass flow you can just adjust your calculator and multiply the velocity with the density, and if you want to compute the flow in negative direction you can just adjust your threshold filter. Hope that this solution helps you.

milidon · December 16, 2015, 11:15

thanks,

thats exactly what I wanted, works fine

December 9, 2015, 08:51	Mass flow through plane calculator	#1
milidon New Member Join Date: Sep 2012 Posts: 8 Rep Power: 13	Hi guys I have a surface that mass flow at a certain area of the surface is going at one direction and on the rest of the surface area the flow is going on the opposite direction. How can I calculate the individual mass flow rates? Thanks

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December 15, 2015, 10:06		#2
Swempa Member Join Date: Apr 2015 Posts: 37 Rep Power: 11	Hi Milidon, If you for instance have a flow in the x-direction, one appraoch could be to first apply a calculator to compute the flow i this direction (Scalars -> U_X), to this you can apply a threshold filter on the surface to filter out for instance the flow in positive x-direction. To this threshold filter you can thereafter apply an IntegrateVariables filter to compute the volumetric flow. If you want to have the mass flow you can just adjust your calculator and multiply the velocity with the density, and if you want to compute the flow in negative direction you can just adjust your threshold filter. Hope that this solution helps you.

December 16, 2015, 11:15		#3
milidon New Member Join Date: Sep 2012 Posts: 8 Rep Power: 13	thanks, thats exactly what I wanted, works fine