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Computational fluid dynamics modeling of a bench-scale pump-mixer: Head, power and residence time distribution

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Title Computational fluid dynamics modeling of a bench-scale pump-mixer: Head, power and residence time distribution
 
Creator SINGH, KK
MAHAJANI, SM
SHENOY, KT
GHOSH, SK
 
Subject nonideal stirred-tank
liquid-liquid systems
turbulent-flow
impeller clearance
population balances
cfd simulations
mixing time
vessels
reactors
prediction
 
Description The present work involves several single-phase computational fluid dynamics (CFD) simulations of a continuous-flow bench-scale pump-mixer that uses a top-shrouded turbine with trapezoidal blades. Baffle-impeller interaction has been modeled using the sliding-mesh approach. The standard k-epsilon model has been used for turbulence modeling. CFD simulations have been used to predict power consumption and the head generated by the pump-mix impeller, as well as to conduct virtual tracer experiments. Results from CFD simulations have been validated with the experimental data obtained on a physical counterpart. Virtual residence time distribution (RTD) curves have been used to perform compartment modeling of the pump-mixer. A significant difference in the hydrodynamic behavior between the low clearance design and the high clearance design has been observed.
 
Publisher AMER CHEMICAL SOC
 
Date 2011-07-13T20:27:00Z
2011-12-26T12:48:07Z
2011-12-27T05:44:52Z
2011-07-13T20:27:00Z
2011-12-26T12:48:07Z
2011-12-27T05:44:52Z
2007
 
Type Article
 
Identifier INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 46(7), 2180-2190
0888-5885
http://dx.doi.org/10.1021/ie061102m
http://dspace.library.iitb.ac.in/xmlui/handle/10054/3762
http://hdl.handle.net/10054/3762
 
Language en