A mathematical model for thermography on viscous fluid based on damped thermal flux
- 25 January 2021
- journal article
- research article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung A
- Vol. 76 (3), 285-294
- https://doi.org/10.1515/zna-2020-0322
Abstract
Thermography is a fully noninvasive technique that discerns the thermal profiles of highly viable rheological parameters in heat and mass transference. In this paper, the free convection flow of viscous fluid among two vertical and parallel plates in the existence of a transverse magnetic field is investigated. The Caputo time-fractional derivative is manipulated for introducing a thermal transport equation along with a weak memory. The analytical and closed-form fractional solution for the temperature and velocity profiles are obtained through Laplace paired in conjunction with the finite Sine-Fourier transforms technique. The solution to the classical model is concluded as a special case for the solutions to the fractional modeled problem when the memory factor (the order of fractional derivative) approaches 1. Also, the solutions are stated in connection with the Mittag–Leffler function. The influences of variations of fractional and material parameters are depicted through MathCad15.Keywords
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