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NACA Transonic Wind-Tunnel Test Sections

Ray H Wright, Vernon G Ward

Abstract

Report presents an approximate subsonic theory for the solid-blockage interference in circular wind tunnels with walls slotted in the direction of flow. This theory indicated the possibility of obtaining zero blockage interference. Tests in a circular slotted tunnel based on the theory confirmed the theoretical predictions.

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Available abstract

Key concepts: Transonic, Wind tunnel, Subsonic and transonic wind tunnel, Interference (communication), Supersonic wind tunnel, Aerodynamics, Mechanics, Hypersonic wind tunnel