Thermophoresis and Brownian motion effects of nanoparticles on Radiative heat transfer in Hiemenz flow: Using Spectral Method

Abstract

This study presents a theoretical investigation into thermophoresis andBrownian motion e ects on radiative heat transfer in the neighborhood of stagnation point. Thermophoresis and Brownian motion play an important role in thermal and mass concentration analyses, which help to comprehend the major ideas in the disciplines of science and technology. An electrically conducting nano uid was described by the Buongiorno transport model. The power-law form of the stretching wall velocity made the similarity solution possible. The transformed system of the ordinary di erential equations was computed numerically with the e cient and rapid convergent spectral scheme. The obtained results for velocity, temperature, concentration, shear strain, and mass and heat transfer rates were perused for various values of the pertinent parameters. The outcomes divulged that with increase in power-law exponent, mass and heat transfer rates were enhanced. The information on volume and high-temperature transfer rate is provided in tables in this paper. The obtained results well matched the existing results.

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