FEASIBILITY OF A TOROIDAL STREAM ANGULAR RATE SENSOR
FRANKLIN INST RESEARCH LABS PHILADELPHIA PA
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It is theoretically feasible to build a toroidal stream angular rate sensor TSARS based on the principle that a series of vortex rings is deflected by the Coriolis force so that the rotational velocities measured by a pair of symmetrically placed sensors are slightly different. The sensors may be the input ports of a jet type of fluid amplifier. It should be possible to detect angular rates as low as 0.05 degsec, with disturbance frequencies up to 10 cps. An uncertain item is the precise reproducibility of the vortices that are generated. An alternative design concept, having several advantages over the TSARS as well as the jet type of angular rate sensor, is the vortex axis jet angular rate sensor VAJARS, in which a straight vortex is provided along the axis of a large-diameter jet. Experimental studies are recommended, with VAJARS considered to be more promising.
- Fluidics and Fluerics