A flow angle probe is provided comprising: (a) a probe vane configured to contact a moving fluid within a fluid conduit; (b) an optional probe mounting mechanically coupled to the probe vane; (c) a rotary shaft coupled either to the optional probe mounting or the probe vane; (d) a rotary encoder cou
A flow angle probe is provided comprising: (a) a probe vane configured to contact a moving fluid within a fluid conduit; (b) an optional probe mounting mechanically coupled to the probe vane; (c) a rotary shaft coupled either to the optional probe mounting or the probe vane; (d) a rotary encoder coupled to the rotary shaft; (e) a sensor hermetically isolated from the probe vane and configured to sense a change in position of the rotary encoder; and (f) a probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor. The novel flow angle probes disclosed herein may be used in a wide variety of turbomachines and fluid processing systems, and applications, including turbomachine design and operational control, as well as in flow assurance.
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1. A flow angle probe for measuring a flow angle of a fluid moving within a fluid conduit, the flow angle probe comprising: a single probe vane configured to contact a moving fluid within a fluid conduit;a probe mounting fixed to the probe vane;a rotary shaft coupled to the probe mounting and suppor
1. A flow angle probe for measuring a flow angle of a fluid moving within a fluid conduit, the flow angle probe comprising: a single probe vane configured to contact a moving fluid within a fluid conduit;a probe mounting fixed to the probe vane;a rotary shaft coupled to the probe mounting and supported by a plurality of bearings to allow the rotary shaft to rotate with the probe vane;a rotary encoder coupled to the rotary shaft and is configured to rotate with the rotary shaft;a sensor hermetically isolated from the probe vane and configured to sense a change in rotational position of the rotary encoder; anda probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor,wherein the moving fluid within the fluid conduit causes the probe vane to passively rotate to a position corresponding to a flow angle of the moving fluid, andwherein the rotary shaft and the rotary encoder rotate to a position corresponding to the position of the probe vane, andwherein the position of the rotary encoder is detected by the sensor as a flow angle of the moving fluid within the fluid conduit. 2. The flow angle probe according to claim 1, wherein the rotary encoder and sensor act as a mechanical rotary detector. 3. The flow angle probe according to claim 1, wherein the rotary encoder and sensor act as an optical rotary detector. 4. The flow angle probe according to claim 1, wherein the rotary encoder and sensor act as a magnetic rotary detector. 5. The flow angle probe according to claim 4, wherein the rotary encoder is a magnet and wherein the sensor is a Hall sensor. 6. The flow angle probe according to claim 1, wherein the rotary encoder and sensor act as a capacitive rotary detector. 7. The flow angle probe according to claim 1, wherein the rotary encoder and sensor act as an inductive rotary detector. 8. The flow angle probe according to claim 1, wherein the rotary encoder comprises a reflective surface and the sensor is a transceiver configured to transmit a probe signal toward the rotary encoder and to receive a reflected signal in response. 9. A system comprising: a fluid conduit configured to accommodate fluid flow; anda flow angle probe comprising: a single probe vane configured to contact a moving fluid within the fluid conduit;a probe mounting fixed to the probe vane;a rotary shaft coupled to the probe mounting and supported by a plurality of bearings to allow the rotary shaft to rotate with the probe vane;a rotary encoder coupled to the rotary shaft and is configured to rotate with the rotary shaft;a sensor hermetically isolated from the probe vane and configured to sense a change in rotational position of the rotary encoder; anda probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor,wherein the moving fluid within the fluid conduit causes the probe vane to passively rotate to a position corresponding to a flow angle of the moving fluid, andwherein the rotary shaft and the rotary encoder rotate to a position corresponding to the position of the probe vane, andwherein the position of the rotary encoder is detected by the sensor as a flow angle of the moving fluid within the fluid conduit. 10. The system according to claim 9, wherein the rotary encoder and sensor act as a rotary detector selected from the group consisting of mechanical rotary detectors, optical rotary detectors, magnetic rotary detectors, capacitive rotary detectors, and inductive rotary detectors. 11. The system according to claim 9, wherein the rotary shaft is supported by a plurality of ceramic bearings. 12. The system according to claim 9, wherein the housing is comprised of an magnetic corrosion resistant metal alloy. 13. The system according to claim 9, wherein the probe mounting comprises a plurality of balance weights. 14. A flow angle probe comprising: a single probe vane configured to contact a moving multiphase fluid within a fluid conduit;a probe mounting fixed to the probe vane;a rotary shaft coupled to the probe mounting and supported by a plurality of bearings to allow the rotary shaft to rotate with the probe vane;a magnet coupled to the rotary shaft and configured to rotate with the rotary shaft;a Hall sensor hermetically isolated from the probe vane and configured to sense a change in position of the magnet; anda housing encompassing at least a portion of the rotary shaft, the magnet and the Hall sensor,wherein the moving fluid within the fluid conduit causes the probe vane to passively rotate to a position corresponding to a flow angle of the moving fluid, andwherein the rotary shaft and the magnet rotate to a position corresponding to the position of the probe vane, andwherein the position of the magnet is detected by the Hall sensor as a flow angle of the moving fluid within the fluid conduit. 15. A flow angle probe comprising: a single probe vane configured to contact a moving fluid within a fluid conduit;a rotary shaft fixed to the probe vane;a rotary encoder coupled to the rotary shaft and supported by a plurality of bearings to allow the rotary shaft to rotate with the probe vane;a sensor hermetically isolated from the probe vane and configured to sense a change in rotational position of the rotary encoder; anda probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor,wherein the moving fluid within the fluid conduit causes the probe vane to passively rotate to a position corresponding to a flow angle of the moving fluid, andwherein the rotary shaft and the rotary encoder rotate to a position corresponding to the position of the probe vane, andwherein the position of the rotary encoder is detected by the sensor as a flow angle of the moving fluid within the fluid conduit. 16. The flow angle probe according to claim 15, wherein the rotary encoder and sensor act as a mechanical rotary detector. 17. The flow angle probe according to claim 15, wherein the rotary encoder and sensor act as an optical rotary detector. 18. The flow angle probe according to claim 15, wherein the rotary encoder and sensor act as a magnetic rotary detector. 19. The flow angle probe according to claim 18, wherein the rotary encoder is a magnet and wherein the sensor is a Hall sensor. 20. The flow angle probe according to claim 15, wherein the rotary encoder and sensor act as a capacitive rotary detector. 21. The flow angle probe according to claim 15, wherein the rotary encoder and sensor act as an inductive rotary detector. 22. A system comprising: a fluid conduit configured to accommodate fluid flow; anda flow angle probe comprising: a single probe vane configured to contact a moving fluid within the fluid conduit;a rotary shaft fixed to the probe vane;a rotary encoder coupled to the rotary shaft and supported by a plurality of bearings to allow the rotary shaft to rotate with the probe vane;a sensor hermetically isolated from the probe vane and configured to sense a change in rotational position of the rotary encoder; anda probe housing encompassing at least a portion of the rotary shaft, the rotary encoder and the sensor,wherein the moving fluid within the fluid conduit causes the probe vane to passively rotate to a position corresponding to a flow angle of the moving fluid, andwherein the rotary shaft and the rotary encoder rotate to a position corresponding to the position of the probe vane, andwherein the position of the rotary encoder is detected by the sensor as a flow angle of the moving fluid within the fluid conduit. 23. The system according to claim 22, wherein the rotary encoder and sensor act as a rotary detector selected from the group consisting of mechanical rotary detectors, optical rotary detectors, magnetic rotary detectors, capacitive rotary detectors, and inductive rotary detectors. 24. The flow angle probe according to claim 22, wherein the rotary encoder comprises a reflective surface and the sensor is a transceiver configured to transmit a probe signal toward the rotary encoder and to receive a reflected signal in response. 25. The flow angle probe according to claim 24, wherein the probe signal is visible light.
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