FIELD: experimental aerothermodynamics.
SUBSTANCE: device relates to experimental aerothermodynamics, in particular, to laboratory aerodynamic installations of short-term action, providing simulation of flight conditions of aircraft in upper atmosphere layers with high Mach numbers. Models are installed in aerodynamic unit in front of, for example, conical hypersonic nozzle. Flow outflows from the middle area of the nozzle in a straight line, but the areas of the flow closest to the nozzle slope can be reflected from the wall of the aerodynamic unit and affect the main flow. To eliminate the summation of the main and reflected flows at the initial quasi-stationary time of the nozzle outflow, the proposed installation takes into account the size of the vacuum chamber.
EFFECT: high accuracy of measuring flow parameters at high flow rates.
1 cl, 5 dwg
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Authors
Dates
2024-05-02—Published
2023-12-19—Filed