# (Fluid mixing) Mass fraction contours

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 January 13, 2005, 15:22 (Fluid mixing) Mass fraction contours #1 Toni Vainio Guest   Posts: n/a I am using a T-shaped micro-mixer to mix two fluid. I want to know how well the fluids have mixed and how long it has taken for them to mix. I believe the best way to find it is by using mass fraction contours. Has anyone already made a macro for this purpose? Or does anyone know a better way to find out how well the fluids have mixed? Only relying on density contours is not good enough because flow is laminar. Thanks in advance

 January 14, 2005, 05:22 Re: (Fluid mixing) Mass fraction contours #2 Brian Guest   Posts: n/a Isn't it enough to simply plot contours of the scalar concentration?

 January 14, 2005, 05:32 Re: (Fluid mixing) Mass fraction contours #3 Toni Vainio Guest   Posts: n/a How do I do this?

 January 14, 2005, 15:30 Re: (Fluid mixing) Mass fraction contours #4 Brian Guest   Posts: n/a GETV CONC 1 POPT CONT REPLOT should do it...

 January 28, 2005, 08:18 Re: (Fluid mixing) Mass fraction contours #5 Ricardo Guest   Posts: n/a I'd like to know how to calculate mass fractio of amonnia, if I have 125.5mg/L NH3; mixture with water (non fresh water, with density = 1037 kg/m3)

 February 20, 2005, 12:59 Re: (Fluid mixing) Mass fraction contours #6 craysacfx Guest   Posts: n/a i am using a eductor for mxing how will i find the mass fraction of the mixed fluid and how will i know that the fuid is mixed properly

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