Cattaneo-Christov hypothesis in a micropolar nanofluid flow over a stretching sheet subjected to exponential space-based heat generation and bilateral reactions
Year: 2025
Type: article
Abstract: Insight into the behavior of fluid flow over a vertical stretching sheet is essential in various applications such as industrial, aerodynamics, and thermal diffusion operations. The steady micropolar nanofluid flow with Cattaneo-Christov thermal flux across a vertical linear stretchy sheet is examined in the current study. The consequences of porous dissipation, exponential space-based heat generation, and bilateral reaction are elaborated. Formulated micropolar nanofluid has been expressed in partial derivative equations, which are transmuted into ordinary derivative models by adopting the similarity transformation. The resultant system of equations is solved using the Galerkin weighted residual technique in MATLAB. Numerical solutions were calculated for many values of pertinent factors, on the flow, distribution of velocity, temperature, and concentration are depicted in 2D and 3D visualization graphs. The Galerkin Weighted Residual Method is utilized to estimate the non-dimensional physical quantities, which are thereby validated by the previous data. It is depicted that Darcy-based porous dissipation meaningfully changed the energy distribution in the system by presenting an additional fluid resistive force. The heat source function spurred a higher temperature rise close to the stretchy plate, increasing convective heat transfer. The study introduces the Cattaneo-Christov thermal relaxation model in micropolar nanofluid flow over an expanding sheet, offering insights relevant to polymer extrusion and thermal processing industries. By incorporating Darcy-dissipation effects , the model accounts for porous medium resistance, which is vital for thermal regulation in aerospace surfaces and biomedical implants. A bi-lateral chemical reaction mechanism enhances species transport modeling, supporting advanced drug delivery systems and chemical engineering processes. The adoption of an exponential heat source allows more realistic simulation of heat transfer, improving the design of nano-electronic cooling systems and high-temperature manufacturing units. The use of the Galerkin weighted residual method ensures computational precision and efficiency, enabling accurate simulation of microscale and industrial-scale fluid flow applications.
Language: English
Subfield: Fluid Flow and Transfer Processes
Field: Chemical Engineering
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,620
OpenAlex ID: W4413019348