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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Han, Zhen-Xue Paul, G. A. Cizmas |
| Copyright Year | 2001 |
| Abstract | This paper presents the development of a numerical algorithm for the computation of axial thrust load on a centrifugal compressor. An unstructured flow solver has been developed for the computation of a hybrid, structured and unstructured grid. The computational domain of the impeller has been discretized using a structured mesh, while the computational domain on the back side of the wheel has been discretized using an unstructured mesh. The two grids are merged and a median dual-mesh is generated. The Navier-Stokes equations are discretized using a finite volume method. Roe’s flux-difference scheme is used for inviscid fluxes and directional derivatives along edges are used for viscous fluxes. The gradients at the mesh vertices are calculated using the Least-squares method. An explicit scheme is used for time integration. Convergence is accelerated using a local time-step and implicit residual smoothing. The results of the numerical simulation include the axial thrust load of the centrifugal compressor. In addition, details of the leakage flow are presented. |
| Sponsorship | International Gas Turbine Institute |
| File Format | |
| ISBN | 9780791878507 |
| DOI | 10.1115/2001-GT-0568 |
| Volume Number | Volume 1: Aircraft Engine; Marine; Turbomachinery; Microturbines and Small Turbomachinery |
| Conference Proceedings | ASME Turbo Expo 2001: Power for Land, Sea, and Air |
| Language | English |
| Publisher Date | 2001-06-04 |
| Publisher Place | New Orleans, Louisiana, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Navier-stokes equations Computational fluid dynamics Computer simulation Wheels Compressors Flow (dynamics) Stress Finite volume methods Algorithms Computation Impellers Flux (metallurgy) Leakage flows Thrust |
| Content Type | Text |
| Resource Type | Article |
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