| 摘要 |
FIELD: measuring technique. ^ SUBSTANCE: air pressure gage is shaped into pyramid (1) and comprises intake (3) made in the front side of the pyramid, peripheral receiving openings (4) and (5) made in sides (6) and (7) of the pyramid and receiving opening (8) made in side (9) of the pyramid that is set against the wind. The half-angle between the sides (6) and (7) should be larger than the minimum absolute value of the flow bevel angle. ^ EFFECT: enhanced precision. ^ 1 dwg |
