The First Solution for the Helical Flow of a Generalized Maxwell Fluid within Annulus of Cylinders by New Definition of Transcendental Function

Fang Wang and Jinling Liu

Mathematical Problems in Engineering, 2020, vol. 2020, 1-15

Abstract:

Most articles choose the transcendental function to define the finite Hankel transform, and very few articles choose . The derivations of and are also considered the same. In this paper, we find that the derivative formulas for the transcend function are different and prove the derivative formulas for and . Based on the exact formulas of and , we keep on studying the helical flow of a generalized Maxwell fluid between two boundless coaxial cylinders. In this case, the inner and outer cylinders start to rotate around their axis of symmetry at different angular frequencies and slide at different linear velocities at time . We deduced the velocity field and shear stress via Laplace transform and finite Hankel transform and their inverse transforms. According to generalized G and R functions, the solutions we obtained are given in the form of integrals and series. The solution of ordinary Maxwell fluid has been also obtained by solving the limit of the general solution of fractional Maxwell fluid.

Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:8919817

DOI: 10.1155/2020/8919817

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