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RISAdvanced Methods for Assessing Flow Physics of the TU Darmstadt Compressor Stage: Uncertainty Quantification of RANS Turbulence Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we quantify the turbulence modeling uncertainty for the transonic Technische Universität Darmstadt (TUDa) compressor. The present work applies the Eigenspace Perturbation Framework (EPF) as it is the only ...
Reynolds Number Effect on Transitional Delayed Detached-Eddy Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The accurate prediction of a wide range of operating conditions is desired by numerical methods. In particular, off-design conditions are a major challenge for steady Reynolds-averaged Navier–Stokes (RANS) methods. ...
Highly Aggressive Intercompressor Duct With Active Flow Control: Numerical Validation of Pulsed Jet Actuators With Unsteady Simulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. The application of active flow control (AFC) methods in an intercompressor duct (ICD) offers the possibility of further length reduction while suppressing separations. In particular, pulsed jet actuators (PJAs) ...
Assessment of the DDES-γ Model for the Simulation of a Highly Loaded Turbine Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow over the linear low-pressure turbine cascade MTU-T161 at Re = 90,000 is analyzed using delayed detached eddy simulations (DDES). At this operating point, the low Reynolds number and the high loading of the blade ...