Abstract
The process of hollow jet formation during steam outflow through a thin nozzle was studied; the water steam was initially at high pressure and in the supercritical state. The numerical solution for this problem was obtained with the sonicFoam solver library from the open-source CFD software package OpenFOAM in 2D axisymmetric formula-tion. The reliability of results is estimated by comparing two approaches for simulation of the dynamics of unloading wave propagating in the high-pressure nozzle using the OpenFOAM package with Peng−Robinson equation of state and numerical solution of a similar problem by method of through computation in the case of 1D planar approximation for perfect gas equation of state.
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Research was partially supported by the Russian Foundation for Basic Research grants (r-a 17–41–020582) and by the state budget funds for the state assignment (0246–2018–0002).
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Bolotnova, R.K., Gainullina, E.F. Supercritical steam outflow through a thin nozzle: forming a hollow jet. Thermophys. Aeromech. 25, 751–757 (2018). https://doi.org/10.1134/S0869864318050116
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DOI: https://doi.org/10.1134/S0869864318050116