FIELD: physics.
SUBSTANCE: device for measuring average flow velocity of water in open water courses has two hydrometrical rods of equal length whose lower ends are attached to each other at an acute angle and their joint is pivotally connected to a tray lying at the bottom of the nullah. The hydrometrical rods are fitted with a mechanism for countering the hydrodynamic effect of water flow in form of springs which join them to the tray of the device.
EFFECT: more accurate measurement and simple operation of the device.
2 cl, 2 dwg
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SU684373A1 |
