A retractable radome strake is provided that includes an assembly of finger elements. The assembly of finger elements, when coupled to a radome, deflect at wind speeds greater than approximately twenty mph or wind pressures greater than approximately one psf. Accordingly, the retractable radome stra
A retractable radome strake is provided that includes an assembly of finger elements. The assembly of finger elements, when coupled to a radome, deflect at wind speeds greater than approximately twenty mph or wind pressures greater than approximately one psf. Accordingly, the retractable radome strake does not unnecessarily contribute to the wind load of a radome enclosed antenna structure when the strakes are not needed.
대표청구항▼
1. A system for reducing vortex shedding on an object, comprising: a strake having a plurality of finger elements; wherein the strake is attached to the object, and wherein a maximum height of the strake is ten percent of an overall diameter of the object.2. The system of claim 1, wherein the strake
1. A system for reducing vortex shedding on an object, comprising: a strake having a plurality of finger elements; wherein the strake is attached to the object, and wherein a maximum height of the strake is ten percent of an overall diameter of the object.2. The system of claim 1, wherein the strake deflects at wind pressures greater than approximately one psf.3. The system of claim 1, wherein the strake deflects at wind speeds greater than approximately twenty mph.4. The system of claim 1, wherein the finger elements are bristle elements.5. The system of claim 1, wherein the finger elements are plastic strips.6. The system of claim 1, wherein the plastic strips are made from polycarbonate.7. The system of claim 1, further comprising a port, wherein at least one of the assembly of finger elements extends through the port.8. The system of claim 1, further comprising a base, wherein the plurality of finger elements are coupled to the base.9. The system of claim 1, wherein the strake is one of a plurality of strakes positioned about the object.10. The system of claim 9, wherein the plurality of strakes are positioned in a helical type of pattern about the object.11. The system of claim 1, wherein the strake is molded into the object.12. The system of claim 1, wherein the strake is attached to the object by adhesive.13. The system of claim 1, wherein the object is a radome.14. An apparatus for reducing vortex shedding on an object, comprising: means for assembling a plurality of finger elements; andmeans for assembling a plurality of finger elements, wherein a maximum height of the plurality of finger elements is ten percent of an overall diameter of the object; andmeans for positioning the assembly of finger elements about the object, such that the positioning means allows the plurality of finger elements to deflect when at least one of wind speeds are greater than approximately twenty mph and wind pressures are greater than approximately one psf.15. The apparatus of claim 14, wherein the plurality of finger elements is a strake.16. The apparatus of claim 14, wherein the assembling means is a support structure that is coupled to the plurality of finger elements.17. The apparatus of claim 16, wherein the support structure couples to the object via non-metallic hardware.18. The apparatus of claim 14, wherein the positioning means is an adhesive.19. The apparatus of claim 18, wherein the adhesive is an epoxy.20. The apparatus of claim 14, wherein the object is a radome.21. The apparatus of claim 14, wherein the object is a chimney.22. The apparatus of claim 14, wherein the object is a radome.23. A method for manufacturing an apparatus for reducing vortex shedding on an object, comprising: arranging a plurality of finger elements into an assembly of finger elements, wherein a maximum height to the assembly of finger elements is ten percent of an overall diameter of the object; andcoupling the assembly of finger elements to the object, such that the assembly of finger elements deflects when at least one of wind speeds are greater than approximately twenty mph and wind pressures are greater than one psf.
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