FIELD: measurement technology.
SUBSTANCE: invention relates to experimental aerodynamics and can be used for analysis of aerodynamic characteristics of supersonic aircrafts in wind tunnels. Aerodynamic model of aircraft with air-jet engine comprises model housing, holder and aerodynamic strain gages. Housing has a profiled flow channel, in which there is a central body rigidly connected to the housing by means of pylons. Model is equipped with internal cylindrical shell rigidly fixed on central body with formation of inner cavity for arrangement of intramodel aerodynamic strain gages in it, on one side rigidly connected through seat with central body, and on other side – through seat with stern holder. On internal cylindrical shell and pressure nozzle rigidly fixed on it there installed are pressure sensors.
EFFECT: invention is aimed at improving measurement accuracy of aerodynamic loads acting on the model during blowdowns in a wind tunnel.
1 cl, 1 dwg
