Computation of unsteady momentum and heat transfer from a fixed circular cylinder in laminar flow

Baranyi, László (2003) Computation of unsteady momentum and heat transfer from a fixed circular cylinder in laminar flow. JOURNAL OF COMPUTATIONAL AND APPLIED MECHANICS, 4 (1). pp. 13-25. ISSN 1586-2070

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Abstract

This paper presents a finite difference solution for 2D, low Reynolds number, unsteady flow around and heat transfer from a stationary circular cylinder placed in a uniform flow. The fluid is assumed to be incompressible and of constant property. The governing equations are the Navier-Stokes equations, the continuity equation, a Poisson equation for pressure and the energy equation. The temperature of the cylinder wall is kept constant and the viscous energy dissipation term is neglected in the energy equation. The computed Strouhal numbers, time-mean drag and base pressure coefficients, as well as the average Nusselt numbers compare well with existing experimental results.

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