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Progress in modeling of laminar to turbulent transition on turbine vanes and blades
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Simon, Frederick F. Ashpis, David E. |
| Copyright Year | 1996 |
| Description | The progress in modeling of transition on turbine vanes and blades performed under the sponsorship of NASA Lewis Research Center is reviewed. Past work in bypass transition modeling for accurate heat transfer predictions, show that transition onset can be reasonably predicted by modified k - epsilon models, but fall short of predicting transition length. Improvements in the predictions of the transition region itself were made with intermittency models based on turbulent spot dynamics. Needs and proposals for extending the modeling to include wake passing and separation effects are outlined. |
| File Size | 1417932 |
| Page Count | 32 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19960015876 |
| Archival Resource Key | ark:/13960/t01023k92 |
| Language | English |
| Publisher Date | 1996-03-01 |
| Access Restriction | Open |
| Subject Keyword | Fluid Mechanics And Heat Transfer Viscosity Turbine Blades Reynolds Number Gas Turbine Engines Turbulent Boundary Layer Velocity Distribution Pressure Gradients Laminar Boundary Layer Temperature Effects Turbulence Models Wakes Vanes Shear Stress Boundary Layer Transition Separated Flow Boundary Layer Flow Ntrs Nasa Technical Reports ServerĀ (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |