Exact solutions of the equations of momentum and energy of a circular disk in a uniform incompressible flow directed along its axis of symmetry are obtained. Laminar, irrotational and inviscid flows were assumed. The solutions for the pressure distribution, drag coefficient and convective heat transfer of the disk are presented in explicit forms. Some peculiar fluid-dynamical behavior of the pressure distribution at low and high Reynolds numbers are revealed. The derived equations were agreeable with other numerical and analytical solutions and experimental data.

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