3D CFD modelling and exergy loss minimisation within a high-pressure vortex tube Online publication date: Fri, 08-Apr-2022
by Abbas Aghagoli; Mikhail Sorin
International Journal of Exergy (IJEX), Vol. 37, No. 4, 2022
Abstract: In the present study, 3D CFD simulation of a vortex tube at high operating pressure is investigated. The impact of inlet pressure and cold mass fraction is investigated in terms of the exergy losses within the vortex tube. The results show that the minimum exergy losses occur at cold mass fraction equals 0.5, meanwhile, the exergy efficiency achieves its maximum at cold mass fraction equals 0.9. It is illustrated that friction has a major impact on entropy generation rate near the wall and at the centre of the vortex tube.
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