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International audienceWe investigate numerically, for the first time, the thermal counterflow of superfluid helium past acylinder by solving with a finite volume method the complete so-called two-fluid model. In agreement withexisting experimental results, we obtain symmetrical eddies both up- and downstream of the obstacle. Thegeneration of these eddies is a complex transient phenomenon that involves the friction of the normal fluidcomponent with the solid walls and the mutual friction between the superfluid and normal components.Implications for flow in a more realistic porous medium are also investigated

Numerical Investigation of Thermal Counterflow of He II Past Cylinders