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Transonic Turbine Blade Loading Calculations Using Different Turbulence Models – Effects of Reflecting and Non-reflecting Boundary Conditions by S. Djouimaa; L. Messaoudi; Paul W. Giel is a Engineering article available to read on EtoBox.
What is Transonic Turbine Blade Loading Calculations Using Different Turbulence Models – Effects of Reflecting and Non-reflecting Boundary Conditions about?
The objective of this study is to simulate the transonic gas turbine blade-to-blade compressible fluid flow. We are interested mainly in the determination of the pressure distribution around the blade. The particular blade architecture makes these simulations more complex due to the variety of phenomena induced by this flow. Our study is based on the experiment performed by Giel and colleagues. Tests were conducted in a linear cascade at the NASA Glenn Research Center. The test article was a turbine rotor with design flow turning of 136°and an axial chord of 12.7 cm. Simulations were performed on an irregular quadratic structured grid with the FLUENT software package which solves the Navier-Stokes equations by using finite volume methods. Two-dimensional stationary numerical simulations were made under turbulent conditions allowing us to compare the characteristic flow effects of Reflecting Boundary Conditions (RBC) and Non-Reflecting Boundary Conditions (NRBC) newly implemented in FLUENT 6.0. Many simulations were made to compare different turbulence models: a one equation model (Spalart-Allmaras), several two-equation models (k-e, RNG k-e, Realizable k-e, SST k-x), and a Reynolds
Who reads Transonic Turbine Blade Loading Calculations Using Different Turbulence Models – Effects of Reflecting and Non-reflecting Boundary Conditions?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- S. Djouimaa; L. Messaoudi; Paul W. Giel
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 1359-4311)
- Published
- 2007
- Language
- EN
- Field
- Engineering (Physical Sciences)