2007/09/30 by Hua, Zhu Guang
#FOS: Physical sciences #Other Condensed Matter (cond-mat.other) #Soft Condensed Matter (cond-mat.soft)
paper · doi:10.48550/arxiv.0710.0103
The volume flow rates of Eyring-fluids inside the wavy-rough nanoannulus were obtained analytically (up to the second order) by using the verified model and boundary perturbation method. Our results show that the wavy-roughness could enhance the flow rate especially for smaller forcing due to the larger surface-to-volume ratio and slip-velocity effect. Meanwhile, the phase shift between the outer and inner walls of nanoannuli could tune the transport of Eyring-fluids either forward or backward when the wavy-roughness of a nanoannulus is larger enough. Our results could be applied to the flow control in nanofluidics as well as biofluidics.