Up to now the best results have been obtained with PSP in transonic speed ranges because of the high absolute pressure differences. The main challenge to get acceptable PSP results on one hand is the ...

During World War II the Douglas Aircraft Company in California was approached by Air Technical Service Command, US Air Force, ...

The transonic cascade wind tunnel (TGK) is installed at the Institute of Propulsion ... is also unique due to its extremely stable test conditions, especially at the speed of sound. Among other things ...