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JOURNALS // Prikladnaya Mekhanika i Tekhnicheskaya Fizika // Archive

Prikl. Mekh. Tekh. Fiz., 2018 Volume 59, Issue 6, Pages 26–38 (Mi pmtf498)

This article is cited in 15 papers

Numerical study on an unsteady flow of an immiscible micropolar fluid sandwiched between Newtonian fluids through a channel

M. Devakar, A. Raje, Sh. Kumar

Visvesvaraya National Institute of Technology, Nagpur, 440010, India

Abstract: This paper deals with an unsteady flow of a micropolar fluid sandwiched between Newtonian fluids through a horizontal channel. The governing time-dependent partial differential equations are solved numerically by using the Crank–Nicolson finite difference approach. The continuity of velocity and shear stress is considered at the fluid-fluid interfaces. It is observed that the fluid velocities increase with time; eventually, a steady state is reached at a certain time instant. The velocity decreases with increasing micropolarity parameter in the micropolar fluid region and remains almost unchanged in both Newtonian fluid regions.

Keywords: micropolar fluid, immiscible fluids, unsteady flow, horizontal channel.

UDC: 519.6

Received: 16.08.2017
Revised: 09.01.2018

DOI: 10.15372/PMTF20180603


 English version:
Journal of Applied Mechanics and Technical Physics, 2018, 59:6, 980–991

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