Method and device for the visualization of the flow separation in a supersonic nozzle

摘要

Method for visualising the flow separation in a supersonic nozzle, wherein the supersonic nozzle made of a material with a small thermal conductivity is produced, and in which the supersonic nozzle is operated with cold gas, which is supplied from a reservoir, wherein the cold gas against the ambient temperature with a temperature that is lowered in such a subsonic range of the supersonic nozzle is supplied to the fact that the temperature of air, which on a nozzle opening from the environment flows in the supersonic nozzle, at a nozzles the inside wall below the dew point of the air is.