NASA NTRS · 19790004188
Fluid velocity measuring device
Abstract
A fluid velocity measuring device is described which, when placed in a freestream fluid flow, causes vortices to be formed at a frequency proportional to the flow rate of the fluid. Sensors on the device generate electric signals with frequency proportional to the rate of vortex creation and with relative mean amplitudes indicative of fluid flow direction. Electric circuitry translates the electric signals into indications of fluid speed and direction.
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Thomas, D. F., Jr., Williams, L. A., Jr.. 1978-10-31. Fluid velocity measuring device. https://ntrs.nasa.gov/citations/19790004188
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