Heat transfer and dispersion in non-Newtonian compound flow in a converging channel
https://doi.org/10.35164/0554-2901-2025-03-30-32
Abstract
The flow and heat transfer of a non-Newtonian fluid in a converging channel is investigated. The main assumptions in the formulation of the problem were made based on the low value of the Reynolds number and the high value of the Peclet number. The Ellis model with viscosity depending on the temperature and degree of dispersion of the filler is used as a rheological model. Highly viscous media are considered, therefore the dissipative term is taken into account in the energy equation. Thermal boundary conditions of the first kind are used. Variable viscosity has a noticeable eff ect on the temperature, stress and velocity fields along the length of the channel. The proposed model provided the basis for an engineering method for calculating the optimal height of the dispersing gap. The problem is solved by the numerical finite difference method using iterations.
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Review
For citations:
Baranov A.V. Heat transfer and dispersion in non-Newtonian compound flow in a converging channel. Plasticheskie massy. 2025;(3):30-32. (In Russ.) https://doi.org/10.35164/0554-2901-2025-03-30-32
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