Flows in Micro- and Nano-Systems

Dear Colleagues,

Experimental data from pressure-driven liquid that flow through nanotubes have shown flow velocities over the past two decades that are four to five orders of magnitude higher than those predicted by the classical theory. Attempts to explain these enhanced mass flow rates at the nanoscale are still to be successful. In classical gas dynamics, the temperature field alone cannot induce a steady flow in gas without an external force such as gravity. However, in rarefied gas, the temperature field in gas under surface effects can induce a variety of flows. Interfacial phenomena at the solid–liquid interface at the micro- and nanoscale have various functions in micro- and nanofluidic device fabrications. Some of these devices operate on the physical mechanism of flows of electrolyte solutions. Viscous thickening due to electrostatic interactions is an example of a phenomenon to be understood in these flows. The influence of effects such as velocity slip and surface diffusion in the prediction of profiles of velocity, electrical potential, charge, and ion-transport characteristics is also to be understood. Multiphase flow in microfluidic systems generally shows complicated behaviour, but it has many practical uses. This Special Issue aims to discuss the current theoretical, numerical, and experimental progress in understanding the physical mechanisms of these flows.

We look forward to receiving your submissions.

Dr. S. Kokou Dadzie
Guest Editor

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