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کلیدواژهها
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non-Newtonian fluid, nanofluid, injection micromixer, mixture model, passive micromixer
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چکیده
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. In this study, mixing of laminar non-Newtonian nano
uids in an injection
micromixer was numerically studied. The important and new feature of the study is using
of non-Newtonian base uid in nano
uid. The Titanium dioxide/0.5%wt Carboxymethyl
Cellulose aqueous solution was used as nano
uid. Mixture model was used for simulation
of nano
uid ow inside the micromixer. The governing equations were solved by nite
volume method using a FORTRAN code. Also, in this paper, a new modi ed successive
over-relaxation method has been introduced to considerably decrease the computation time.
The results indicated that the number of injection ows and using of baes had signi cant
e ect on mixing index. It should be noted that the distance between baes is an important
parameter in mixing.
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