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How to form a Janus droplet in ANSYS Fluent 19.2 ?

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Old   December 7, 2021, 03:06
Post How to form a Janus droplet in ANSYS Fluent 19.2 ?
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Antaripa Saha
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Hello Everyone, I am trying to simulate a Y shaped channel using VOF method in Ansys Fluent. Discretization of the model has been done. Inlet velocities of both dispersed and continuous phase are calculated using Capillary Numbers. I have considered no slip boundary condition at domain wall. Hereunder is the method I have applied while performing the simulation:

Method- a)pressure velocity coupling scheme= coupled with vof
b) Discretization method- Green gauss cell discretization method
c) Pressure-PRESTO
d)Momentum-Second order upwind
e) Volume fraction-compressive
f) Transient formulation-Bounded second order implicit

Provided a suitable Residual of 10^-6, Time step size- 100 and Max iterations/step size-20.

My objective is to form a Janus Droplet. But droplet is forming but no janus droplet formation took place applying this methodology. Can anyone please throw a light on where I am doing wrong or is there any other process to form a Janus droplet.

With Regards--

Antaripa Saha
Department of Chemical Engineering
Indian Institute of Technology Delhi
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ansys 19.2, droplet microfluidics, fluent, microfluidics, multiphase flow

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