Engineering Transactions, 70, 3, pp. 287–299, 2022

Exact Solution for Non-Newtonian Fluid Flow Beyond a Contaminated Fluid Sphere

Vijaya Lakshmi KUNCHE
ORCID ID 0000-0001-5232-5673
VIT-AP University Amaravati

Phani Kumar MEDURI
ORCID ID 0000-0001-5234-8170
VIT-AP University Amaravati

Stokes flow of non-Newtonian fluid beyond a partially contaminated non-Newtonian fluid sphere with interfacial slip condition is considered. An analytic solution for the flow fields indicated by the stream function and the drag force over the sphere was obtained. Special well-known cases are reduced. It was observed that with an increase in slip parameter values, there is a rise in drag coefficient values.

Keywords: micropolar fluid; Gegenbauer function; modified Bessel’s function; stagnant cap
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DOI: 10.24423/EngTrans.1417.20220726