Peristaltic transport of a Johnson-Segalman fluid in an asymmetric channel
This paper deals with peristaltic flow of a John son-Segalman fluid in an asymmetric channel under long-wavelength and low-Reynolds number considerations. The channel asymmetry is caused due to the peristaltic wave train on the walls having different amplitudes and phase. A series solution for small Weissenberg number is obtained for the stream function, axial velocity, axial pressure gradient and pressure drop over a wavelength. The effects of various emerging parameters on the flow characteristics are shown and discussed with the help of graphs. (c) 2007 Elsevier Ltd. All rights reserved.
johnson-segalman fluid asymmetric channel peristalsis