FIELD: machine building.
SUBSTANCE: invention relates to machine building, namely to devices for measuring static pressure in supersonic gas-dynamic internal channels of structural elements. Device comprises coaxially located and glued inner cylinder with outer structural element and polarization-optical unit. External element of structure is fixed along external surfaces and is made in the form of rectangular ribs located along generatrix of internal cylinder and uniformly distributed in circumferential direction. One of the ribs is equipped with at least one small hole, and the static pressure measurement accuracy is determined by optimal ratios.
EFFECT: high accuracy of measuring rapidly varying and non-uniformly acting static pressure.
1 cl, 9 dwg
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