Summary
A multiple-scale method of averaging is applied to the study of dispersion in oscillatory Couette flow where the solute may undergo reversible sorptive phase exchange with the boundary walls. On assuming that the oscillation period and the sorption reaction time are comparable with the transverse diffusion time, which is much shorter than the axial transport time scales, an effective advection-dispersion transport equation in terms of the mean concentration is deduced at the second order. Analytical expressions are obtained for the two dispersion coefficients due to the steady and oscillating components of the Couette flow, incorporating the coupling effects between the flow oscillation, sorption kinetics, and the retardation due to phase partitioning.
Similar content being viewed by others
References
Taylor, G. I.: Dispersion of soluble matter in solvent flowing slowly through a tube. Proc. R. Soc. Lond. A 219, 186–203 (1953).
Bandyopadhyay, S., Mazumder, B. S.: On contaminant dispersion in unsteady generalised Couette flow. Int. J. Engng. Sci. 37, 1407–1423 (1999).
Mei, C. C., Auriault, J. L., Ng, C. O.: Some applications of the homogenization theory. Adv. Appl. Mech. 32, 277–348 (1996).
Aris, R.: On the dispersion of a solute in pulsating flow through a tube. Proc. R. Soc. Lond. A 259, 370–376 (1960).
Holley, E. R., Harleman, D. R. F., Fischer, H. B.: Dispersion in homogeneous estuary flow. J. Hydraul. Div. ASCE 96, 1691–1709 (1970).
Chatwin, P. C.: On the longitudinal dispersion of passive contaminant in oscillatory flows in tubes. J. Fluid Mech. 71, 513–527 (1975).
Smith, R.: Contaminant dispersion in oscillatory flows. J. Fluid Mech. 114, 379–398 (1982).
Yasuda, H.: Longitudinal dispersion of matter due to the shear effect of steady and oscillatory currents. J. Fluid Mech. 148, 383–403 (1984).
Mukherjee, A., Mazumder, B. S.: Dispersion of contaminant in oscillatory flows. Acta Mech. 74, 107–122 (1988).
Hazra, S. B., Gupta, A. S., Niyogi, P.: On the dispersion of a solute in oscillating flow through a channel. Heat Mass Transf. 31, 249–256 (1996).
Bandyopadhyay, S., Mazumder, B. S.: Unsteady convective diffusion in a pulsatile flow. Acta Mech. 134, 1–16 (1999b).
Ng, C. O.: A time-varying diffusivity model for shear dispersion in oscillatory channel flow. Fluid Dyn. Res. 34, 335–355 (2004).
Westhaver, J. W.: Theory of open-tube distillation columns. Ind. Engng. Chem. 34, 126–130 (1942).
Aris, R.: On the dispersion of a solute by diffusion, convection and exchange between phases. Proc. R. Soc. Lond. A 252, 538–550 (1959).
Gupta, P. S., Gupta, A. S.: Effect of homogeneous and heterogeneous reactions on the dispersion of a solute in the laminar flow between two plates. Proc. R. Soc. Lond. A 330, 59–63 (1972).
Shankar, A., Lenhoff, A. M.: Dispersion and partitioning in short coated tubes. Ind. Engng. Chem. Res. 30, 828–835 (1991).
Davidson, M. R., Schroter, R. C.: A theoretical model of absorption of gases by the bronchial wall. J. Fluid Mech. 129, 313–335 (1983).
Grotberg, J. B., Sheth, B. V., Mockros, L. F.: An analysis of pollutant gas transport and absorption in pulmonary airways. J. Biomech. Engng. Trans. ASME 112, 168–176 (1990).
Phillips, C. G., Kaye, S. R.: Approximate solutions for developing shear dispersion with exchange between phases. J. Fluid Mech. 374, 195–219 (1998).
Sarkar, A., Jayaraman, G.: The effect of wall absorption on dispersion in annular flows. Acta Mech. 158, 105–119 (2002).
Smith, R.: Effect of boundary absorption upon longitudinal dispersion in shear flows. J. Fluid Mech. 134, 161–177 (1983).
Purnama, A.: The effect of dead zones on longitudinal dispersion in streams. J. Fluid Mech. 186, 351–377 (1988).
Ng, C. O., Yip, T. L.: Effects of kinetic sorptive exchange on solute transport in open-channel flow. J. Fluid Mech. 446, 321–345 (2001).
Mazumder, B. S., Das, S. K.: Effect of boundary reaction on solute dispersion in pulsatile flow through a tube. J. Fluid Mech. 239, 523–549 (1992).
Jiang, Y., Grotberg, J. B.: Bolus contaminant dispersion in oscillatory tube flow with conductive walls. J. Biomech. Engng. Trans. ASME 115, 424–431 (1993).
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Ng, C.O., Bai, Y.C. Dispersion in oscillatory Couette flow with sorptive boundaries. Acta Mechanica 178, 65–84 (2005). https://doi.org/10.1007/s00707-005-0230-6
Received:
Revised:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00707-005-0230-6