On Cattaneo–Christov double diffusion impact for temperature-dependent conductivity of Powell–Eyring liquid

Abstract Here generalized Fourier’s and Fick’s laws are employed for heat and mass transfer in stagnation point flow of Powell–Eyring liquid. The flow is generated due to stretched cylinder. Consideration of non-Fourier double diffusion characterizes the features of thermal and concentration relaxation factors. Temperature-dependent conductivity of fluid is adopted. The set of partial differential equations governing the flow of Powell–Eyring liquid and heat and mass transfer through non-Fourier double diffusion concept is established. The applicable transformations yield the strong nonlinear ordinary differential system. Homotopy theory is utilized to acquire convergent solutions for nonlinear differential systems. Coefficient of skin friction is calculated and addressed for distinct embedded parameters. Our presented analysis shows that temperature and concentration are decaying for larger thermal and concentration relaxation times.

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