On computations of temperature dependent incompressible flows by high order methods
Institute of Thermomechanics AS CR, v. v. i., Dolejškova 1402/5, Praha 8, 182 00, Czech Republic
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Published online: 28 March 2016
Parallel vortex shedding from the heated cylinder as dependent on the cylinder temperature is investigated in numerical simulation. The computational scheme for the system of the incompressible Navier-Stokes equations coupled with the heat equation is presented. The scheme is based on the mixed implicit-explicit solver of the third order and the spectral element method for the spatial approximation. The results are compared with the experiments for flow of air and water. The Strouhal-Prandtl-Reynolds relationship and evolution of the separation angle as dependence on the temperature is the final result of the computations.
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