FIELD: machine building.
SUBSTANCE: device for determination of aero-dynamic characteristics of model in supersonic aero-dynamic pipe consists of model with removable head part secured on strain balance by landing it on conic part and fixed with bolt. Further, the device consists of a strain station and a control unit located in aero-dynamic pipe and connected with a holder installed in the pipe. A cartridge with holes and spiral grooves outside is secured inside a case of the model and is installed on the strain balance by means of a sub with two cavities with holes and a stop. The spiral grooves connected with a cooling system positioned in a laboratory by means of a hole in the cartridge and cavity.
EFFECT: upgraded accuracy, reliability of measurement of aero-dynamic characteristics of model, reduced cost at tests in supersonic aero-dynamic pipe and reduced time of tests.
1 dwg
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