How can I find the position of nanoparicles of a nanofluid at the onset of convection .
thanks
Dear Abderrahim Wakif :
Maybe you can help optical microrheology
http://www.materials-talks.com/blog/2014/11/11/what-is-optical-microrheology/
Best regards.
tnaks prof Yuri Mirgorod
You can also try Nanosight technique for observing the trajectory of nanoparticles in fluid.
http://www.malvern.com/en/products/product-range/nanosight-range/
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