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Numerické řešení dvoufázového proudění při interakci statoru a rotoru

Publication Date
  • Stator Rotor Interaction
  • Numerical Solution
  • Compressible Flow
  • Wet Steam
  • Computer Science


This work deals with a numerical solution of 2D unsteady compressible flow of mixture of vapor and condensed droplets in axial turbine stage. Governing equations consist of the Euler equations for the mixture and the transport equations for integral parameters of droplet spectra (Hill's approximation). The computational domain is created by several stator and rotor blade passages in order to get simple periodicity condition. The stator and the rotor parts are connected by 'interface cells', proposed originally by Giles. Numerical method is based on the Strang splitting method, convection part is solved by the finite volume cell-vertex method based on the Lax-Wendroff scheme with artificial viscosity term and condensation part is solved by two-stage explicit Runge-Kutta method. The first numerical results are discussed.

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