2003•Experiments and Measurements in Fluid MechanicsRequires access

Investigation of the method for gain M≥1 uniform transonic flow field at a special wind tunnel condition

Luo Xin

Abstract

A method of deduce the wind tunnel flexible wall nozzle throat has been used in FL24 wind tunnel to gain the M≥1 uniform transonic flow field with the big percentage blockage captive trajectory supports in the wind tunnel. The results of the flow field calibration show that the uniform transonic flow field was successfully gained and could satisfy the test requirments,then the transonic CTS test can be conducted in FL24 wind tunnel. The investigation is of practical application value.

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Key concepts: Transonic, Subsonic and transonic wind tunnel, Hypersonic wind tunnel, Wind tunnel, Supersonic wind tunnel, Nozzle, Trajectory, Flow (mathematics)