Abstract
A throughflow model based on the time-marching finite volume approach is described in this paper. The governing equations are derived by circumferentially averaging the three-dimensional Navier-Stokes equations neglecting the circumferentially non-uniform and viscous terms. An inviscid blade force model similar to the Large-particle method is derived. The viscous blade force has been modeled by the distributed loss model. The convective fluxes of the governing equation are discretized with the Edward's low-diffusion flux-splitting (LDFSS) scheme. And a point-iterative Symmetric Gauss-Seidel (SGS) scheme is used in the temporal discretization. The throughflow model has been applied to the NASA Rotor 67 and a high-load transonic fan stage ATS-2. The reasonable good agreements with the experiments and the 3D viscous computations show the potential of the method.
| Original language | English |
|---|---|
| Pages (from-to) | 519-525 |
| Number of pages | 7 |
| Journal | Journal of Thermal Science |
| Volume | 19 |
| Issue number | 6 |
| DOIs | |
| State | Published - Dec 2010 |
Keywords
- axial compressor
- throughflow model
- time marching
- transonic
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