Flow field disturbance due to point viscosity variations in a heterogeneous fluid

Das, Debasish (2022) Flow field disturbance due to point viscosity variations in a heterogeneous fluid. Other. arXiv, Ithaca, NY. (https://doi.org/10.48550/arXiv.2203.13087)

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Abstract

We derive the flow field disturbance produced by point viscosity variations in a heterogeneous fluid when subject to a background flow while neglecting fluid inertia. The disturbance flow field is found to be identical to that generated by a force-dipole called stresslet. Using a combination of theory and numerical simulations, we show how the hydrodynamics of an active rigid particle is altered due to the presence of point viscosity variations, and how this can be exploited to manipulate and steer them in microfluidic environments.

ORCID iDs

Das, Debasish ORCID logoORCID: https://orcid.org/0000-0003-2365-4720;
  • Item type:Monograph(Other)
    ID code:82925
    Dates:
    Date
    Event
    24 March 2022
    Published
    Keywords:heterogeneous fluid, flow, inertia, microfluidic environments, Mathematics, Mathematics (miscellaneous)
    Subjects:Science > Mathematics
    Department:Faculty of Science > Mathematics and Statistics
    Depositing user: Pure Administrator
    Date deposited:26 Oct 2022 09:41
    Last modified:25 Mar 2023 04:35
    URI:https://strathprints.strath.ac.uk/id/eprint/82925
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