reduction of the reibungswiderstands by blowing and in the stru00f6mungsgrenzschicht of flugzeugrumpfs

摘要

increase in the grenzschichttemperatur by injection of a heiu00dfgases in the stru00f6mungsgrenzschicht, characterised by the fact that it and a gas of the same or similar or nature as the medium, the surface umstru00f6mt (air), the main feature that it a temperature so far on the temperature of the stru00f6mungsmediums isthat the gear of the umstru00f6mten body is reduced.