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interface len. scale

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Old   June 1, 2013, 07:35
Default interface len. scale
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rasool
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hi
I am simulating multifase flow in channel
I can not understand what is interface len. scale
please help me
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Old   June 1, 2013, 08:05
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Glenn Horrocks
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This is described in the documentation - have you read it?

The multiphase flow is assumed to be droplets or bubbles. Either way they are charaterised by a diameter, or at least a representative diameter. This is the interface length scale.
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Old   June 2, 2013, 15:28
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rasool
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hi
thanks you
I have read theory guide
I am mixing to fluid with water properties symmetrically
can i use below formula?
Untitled.jpg
mean diometer of water is 10 micron
r=?
maybe r=0.5
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