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RISSurface Roughness Effects on Unsteady Transition Property over a Pitching Airfoil
Publisher: ASCE
Abstract: The characteristics of unsteady boundary-layer transition on a small-amplitude pitching NACA0012 airfoil are investigated using the γ−Reθt¯−Ar transition model, which consists of the γ−Reθt¯ transition model and the roughness ...
A Galilean Invariant Variable–Based RANS Closure Model for Bypass and Laminar Separation Bubble–Induced Transition
Publisher: ASCE
Abstract: A one-equation Reynolds-averaged Navier-Stokes (RANS) closure model has been established for bypass transition and laminar separation bubble (LSB)–induced transition. A new local indicator is proposed to describe the ...