Abstract
Peristaltic flow of a Jeffrey-six constant fluid in a nonuniform tube is investigated under the assumption of long wavelength and low Reynolds number approximations. The dimensionless quantities are used to simplify momentum and energy equations assuming that fluid physical/rheological properties remain constant. Regular perturbation method is invoked to find an analytical solution for the velocity and temperature field. The variation of pressure rise and frictional forces with the different parameters is also examined numerically. Results are also presented graphically at the end of the article. (C) 2010 Elsevier Ltd. All rights reserved.