2008 NSTI Nanotechnology Conference and Trade Show - Nanotech 2008 - 11th Annual

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TechConnect Summit
Clean Technology 2008

Development of Nanoscale Magneto-Rheological (nMR) Fluid: Effect of Particle Size on Flow and Thermal Characteristics through Microchannels

K. Sinha, B. Kavlicoglu, Y. Liu, O.A. Graeve, F. Gordaninejad
University of Nevada Reno, US

nanofluid rheology

The development of nano-magnetorheological (nMR) fluids for microfluidic applications has progressed in two stages: (1) the synthesis of Fe-based powders, and (2) the incorporation of such powders into a carrier fluid viz. ethylene glycol (0.1-1.0 vol%) and grease (20-80 wt%) for enhanced heat transfer and microvalve applications, respectively. In this study, the co-precipitation and sonochemical processes were optimized to achieve a scalable technique for producing nMR fluids. X-ray and SEM/TEM results showed the particles are comprised of the iron bcc phase with primary particle sizes

Nanotech 2008 Conference Program Abstract