Imperial College London
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Dr Konstantinos Steiros

Faculty of Engineering, Department of Aeronautics

Lecturer in Experimental Fluid Mechanics
 
 
 
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Contact

 

k.steiros

 
 
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Location

 

420bCity and Guilds BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Steiros:2017:10.1103/PhysRevFluids.2.094802,
author = {Steiros, K and Bruce, PJK and Buxton, ORH and Vassilicos, JC},
doi = {10.1103/PhysRevFluids.2.094802},
journal = {PHYSICAL REVIEW FLUIDS},
title = {Effect of blade modifications on the torque and flow field of radial impellers in stirred tanks},
url = {http://dx.doi.org/10.1103/PhysRevFluids.2.094802},
volume = {2},
year = {2017}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - We perform both high- and low-speed particle image velocimetry and torque measurements to characterize eight radial impeller types in an unbaffled stirred tank. The blade types consist of a set of regular flat blades, used as a baseline, regular blades of increased thickness, perforated blades, and fractal blades. We find a qualitative correlation between the blades' torque coefficient and both vortex coherence and turbulent kinetic energy, possibly explaining the torque differences of the tested impellers. Furthermore, we find that the proposed modifications increase the bulk turbulence levels and mass flow rates while at the same time reducing the shaft torque, showing promise for applications. Finally, we attempt a comparison between fractal and perforated geometries using data from this study and the literature.
AU  - Steiros,K
AU  - Bruce,PJK
AU  - Buxton,ORH
AU  - Vassilicos,JC
DO  - 10.1103/PhysRevFluids.2.094802
PY  - 2017///
SN  - 2469-990X
TI  - Effect of blade modifications on the torque and flow field of radial impellers in stirred tanks
T2  - PHYSICAL REVIEW FLUIDS
UR  - http://dx.doi.org/10.1103/PhysRevFluids.2.094802
UR  - http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000410193900002&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=1ba7043ffcc86c417c072aa74d649202
UR  - http://hdl.handle.net/10044/1/53011
VL  - 2
ER  -
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