InImpact: The Journal of Innovation Impact |
Publisher |
Future Technology Press |
Vol. 7 No. 2 |
KES Transactions on SDM I - Sustainable Design and Manufacturing 2014 |
Volume Editors |
KES International |
Journal ISSN |
2051-6002 |
|
Article Title | An experimental and CFD investigation into the mixing in a closed system stirred vessel |
Primary Author | Jennifer Thompson, Swansea University |
Other Author(s) |
Diane McBride; Oubay Hassan; Sam Rolland; Nicholas Lavery; David Bould
|
Pages |
720 - 731
|
Article ID |
sdm14-107 |
Publication Date |
01-May-16 |
Abstract | An investigation has been undertaken into the mixing mechanisms involved in a closed tank stirred vessel utilising a wide paddle agitator, for fluids in the viscosity range of 1 to 5.5 mPa s. In particular, the effect of fill depth on the mixing time has been considered, as this has a direct impact on the usability of the mixing process equipment for scaled-down batch production. Experimental work has been undertaken and this has been used to develop a suitable computational fluid dynamics (CFD) model which implements the Multiple Reference Frame (MRF) approach with the addition of a virtual tracer used to calculate mix time. A study into whether laminar or turbulent models are required and an appropriate method for the implementation of turbulence has been established. The results allow identification of the optimum ratio of fill depth to paddle height to be established. Additionally, the developed CFD model will allow for further investigation into the effects of other process parameters. |
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