Supercritical steam outflow through a thin nozzle:
forming a hollow jet
R.Kh. Bolotnova1 and E.F. Gainullina1,2
1Mavlyutov Institute of Mechanics UFRC RAS, Ufa, Russia
2Ufa State Aviation Technical University, Ufa, Russia
E-mail: bolotnova@anrb.ru
Keywords: simulation, OpenFOAM package, thin nozzle, steam outflow, supercritical state
Pages: 751–757
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 formulation. 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.
DOI: 10.1134/S0869864318050116
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