1980•NASA STI Repository (National Aeronautics and Space Administration)Open access

Modeling and control of transonic cryogenic wind tunnel: A summary report

S. Balakrishna

Abstract

A representative, control compatible, mathematical model of a cryogenic wind tunnel was synthesized which describes the unsteady behavior of the tunnel. The performance of this model was validated by appropriate transient and quasisteady state tests on the 0.3 m transonic cryogenic tunnel. An understanding was developed of the cryogenic tunnel behavior by an appropriate interactive real time simulation of the developed model.

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Key concepts: Transonic, Wind tunnel, Subsonic and transonic wind tunnel, Transient (computer programming), Hypersonic wind tunnel, Aerospace engineering, Cryogenics, Engineering