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RISDelayed Detached Eddy Simulation of Airfoil Stall Flows Using High Order Schemes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An advanced hybrid ReynoldsAveraged Navier–Stokes/large eddy simulation (RANS/LES) turbulence model delayed detached eddy simulation (DDES) is conducted in thispaper to investigate the dynamic stall flows over 3D NACA0012 ...
Large Eddy Simulation of Coflow Jet Airfoil at High Angle of Attack
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Large eddy simulation (LES) is conducted to investigate coflow jet (CFJ) airfoil flows at high angle of attack (AOA). The Smagorinsky model with Van Driest damping is employed to resolve the subgridscale stress. The ...
Full-Annulus Simulation of Nonsynchronous Blade Vibration Excitation of an Axial Compressor
Publisher: The American Society of Mechanical Engineers (ASME)
Numerical Simulations of Hollow Cone Injection and Gasoline Compression Ignition Combustion With Naphtha Fuels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gasoline compression ignition (GCI), also known as partially premixed compression ignition (PPCI) and gasoline direct injection compression ignition (GDICI), engines have been considered an attractive alternative to ...
Performance Metric for Turbine Stage Under Unsteady Pulsating Flow Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In a turbine stage for a vehicular turbocharger or a pulse detonation engine (PDE) system, the power extraction process is inherently unsteady due to a highly pulsating flow delivered from the upstream combustor. Characterizing ...
Performance Characterization of Twin-Scroll Turbine Stage for Vehicular Turbocharger Under Unsteady Pulsating Flow Environment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Unsteady three-dimensional computations have been implemented on a turbocharger twin-scroll turbine system (volute–turbine wheel–diffuser). The flow unsteadiness in a turbocharger turbine system is essentially driven by a ...