03.2 - Experimental Aerodynamics

REYNOLDS NUMBER SCALING EFFECTS IN TRANSONIC CAVITY AERODYNAMICS: A HIGH-FIDELITY EXPERIMENTAL AND NUMERICAL FRAMEWORK

A. Goerttler¹, S. Koch¹, M. Werner¹, F. Tocci¹, F. Mayer, Airbus Defence and Space GmbH, Germany; A. Wagner¹; ¹German Aerospace Center (DLR), Germany

This study quantifies Reynolds number scaling in transonic cavity flows. Using cryogenic testing and CFD, it decouples viscous and compressibility effects to bridge the gap between wind tunnel data and flight conditions. Findings refine semi-empirical models and validate solvers, enabling reliable virtual flight testing in aircraft design.

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DOI: 10.71945/icas2026_0362