HEG compression tube
The High Enthalpy Shock Tunnel Göttingen (HEG) is one of the major European hypersonic wind tunnels and is unique in its ability to reproduce correct absolute re-entry speeds. Flow speeds up to 7 km/s can be realized.
The correct reproduction of the absolute flow speed and thus the creation of correct gas temperatures in stagnated flow regions (~ 10000K) allows for the investigation of the influence of chemical reactions on the fluid mechanics during re-entry in the earth’s atmosphere or the entry into the atmosphere of other planets.
The experimental data gathered in HEG is suited to validate DLR’s numerical flow solver and the reaction models implemented. Additionally they can be compared to flight data and allow to judge the quality of the flight data as well as the experimental data of HEG itself.
Fields of Application