Pressure-driven water flows in trapezoidal silicon microchannels

By Weilin Qu, Gh. Mohiuddin Mala, Dongqing Li. 2000

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History, Advances, and Challenges in Liquid Flow and Flow Boiling Heat Transfer in Microchannels: A Critical Review (2012, background): “[82] proposed a roughness–viscosity model in which the fluid viscosity was modified to include a viscosity term induced by the surface roughness.”
An experimental investigation of microchannel flow with internal pressure measurements (2005, methodology): “[48] created trapezoidal channels in silicon using wet anisotropic etching.”
Numerical simulation of flow through microchannels with designed roughness (2006, background): “Weilin et al. (2000) have studied flow characteristics in trapezoidal silicon microchannels.”
Heat transfer for water flow in trapezoidal silicon microchannels (2000, methodology): “Finally, based on a roughness-viscosity model developed in our previous work [ 13 ], a modified relationship is proposed to interpret the observed special heat transfer behaviors in the microchannels.”
Transition from laminar to turbulent flow in liquid filled microtubes (2004, background): “Other researchers attribute a reduction in expected flowrate to the polar nature of certain liquid molecules for Re� 1‐20,Dh� 57 lm (Papautsky et al. 1999); or they attribute nonlinear pressure drop to surface roughness ( Qu et al. 2000; Wu and Little 1983).”