The activity of the ONERA-CERT in the aerodynamic cryogenic experimental branch is presented. Firstly, the T2 induction wind tunnel is described, acting in cryogenic conditions since 1981, and the flow characteristics are indicated. Then the hollow model conception and its cooling during the run are developed and the importance of the wall temperature measurements underlined. The presence of ice particles in the flow, tripping the transition on the model, is discussed; an efficient solution is given, providing fairly good results on a laminar profile at high Reynolds number. Finally cryogenic test results on a three-dimensional model are shown.
Cryogenic Induction Tunnel T2 at Toulouse
1989
12 pages
Report
No indication
English
The T2 Cryogenic Transonic Wind Tunnel of Onera-Cert Toulouse France
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