article · International Journal of Numerical Methods for Heat & Fluid Flow
Mathematical analysis investigates the behaviour of a non-Newtonian Sutterby nanofluid driven by peristaltic waves along an asymmetric channel. The formulation incorporates the effects of activation energy and thermal radiation, deriving governing equations for momentum, mass, and temperature under long wavelength approximations. Flow characteristics are evaluated by examining velocity, temperature, and nanoparticle concentration fields. The study reveals that an enhancement in the temperature ratio parameter leads to a corresponding rise in both fluid temperature and concentration. In addition, increasing the dimensionless reaction rate substantially enhances the kinetic energy of the reactants. This boost in kinetic energy facilitates a greater frequency of particle collisions, which subsequently drives up the overall temperature field within the channel.
Understanding how non-Newtonian nanofluids transfer heat under the influence of activation energy and thermal radiation is relevant to cancer therapies. By detailing how peristalsis and reaction kinetics affect temperature fields, this work aids the broader understanding of heat transfer mechanisms required to heat and destroy cancer cells during hyperthermia procedures.
This research is aimed at hyperthermia therapy, a treatment concept focused on reducing tumours and killing cancer cells through heat transfer. The findings could inform biomedical researchers and engineering teams designing thermal therapy equipment or targeted drug delivery protocols. Given that the abstract reports only theoretical and mathematical fluid flow models, this work is at an early research stage and remains distant from clinical application.
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Purpose The purpose of this paper is to investigate the behavior of a non-Newtonian nanofluid caused by peristaltic waves along an asymmetric channel. Additionally considered is the production of thermal radiation and activation energy. Design/methodology/approach The equations of momentum, mass and temperature of Sutterby nanofluids are obtained for long wavelength. By taking into account the velocity, temperature and concentration, the formulation is further finished. Findings Analyses of the physical variables influencing flow features are represented graphically. The present investigation shows that an enhancement in the temperature ratio parameter results in an increase in both the temperature and concentration. The investigation also shows that the dimensionless reaction rate significantly raises the kinetic energy of the reactant, which permits more particle collisions and as a result, raises the temperature field. Originality/value Due to their importance in the treatment of cancer, activation energy and thermal radiation as a route of heat transfer are crucial and exciting phenomena for researchers. So, the cancer cells are killed, and tumors are reduced in size with heat and making hyperthermia therapy a cutting-edge cancer treatment.
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DOI: 10.1108/hff-04-2023-0173
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