Abstract—
The steady-state Couette flow between two plane-parallel plates of finite thickness is considered. Fluids with the viscosity that decreases with increase in the temperature are considered. It is shown that the isothermality condition across the plates can be violated in the practically important case of small distances between the plates. This leads to the possibility of using dissipation to heat the fluid and, as a result, to significant reduction in friction without additional energy supply.
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The work was carried out with support from the Russian Science Foundation under the grant no. 16-19-10407.
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Translated by E.A. Pushkar
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Abramov, A.A., Abramov, F.A., Butkovskii, A.V. et al. Effect of Viscous Friction Reduction by Blocking Dissipation. Fluid Dyn 55, 743–750 (2020). https://doi.org/10.1134/S0015462820060014
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DOI: https://doi.org/10.1134/S0015462820060014