A chassis with distributed jet cooling is provided. The chassis includes one or more sidewalls defining a volume configured to substantially surround one or more heat generating components positioned within the volume. The chassis further includes at least one array of fins thermally coupled to a re
A chassis with distributed jet cooling is provided. The chassis includes one or more sidewalls defining a volume configured to substantially surround one or more heat generating components positioned within the volume. The chassis further includes at least one array of fins thermally coupled to a respective one of the one or more sidewalls and at least one synthetic jet assembly comprising a multi-orifice synthetic jet or a number of single orifice synthetic jets disposed on a side of a respective one of the array(s) of fins. The chassis further includes at least one attachment means for attaching a respective one of the at least one synthetic jet assemblies to a respective one of the one or more sidewalls.
대표청구항▼
1. A chassis with distributed jet cooling, the chassis comprising: one or more sidewalls defining a volume configured to substantially surround one or more heat generating components positioned within the volume;at least one array of fins thermally coupled to a respective one of the one or more side
1. A chassis with distributed jet cooling, the chassis comprising: one or more sidewalls defining a volume configured to substantially surround one or more heat generating components positioned within the volume;at least one array of fins thermally coupled to a respective one of the one or more sidewalls;at least one synthetic jet assembly comprising a multi-orifice synthetic jet or a plurality of single orifice synthetic jets disposed on a side of a respective one of the at least one array of fins, wherein each of the single orifice synthetic jets is configured to direct a jet at an end of a respective one of the fins,wherein each of the single orifice jets comprises an orifice, wherein at least a subset of the orifices have an opening length L in a range of about three (3) millimeters (mm) to about seventeen (17) mm, and wherein a distance d between a respective one of the orifices and the respective end of the fin is in a range of about one millimeter (mm) to about seven (7) mm; andat least one attachment means for attaching a respective one of the at least one synthetic jet assemblies to a respective one of the one or more sidewalls. 2. The chassis of claim 1, wherein the at least one synthetic jet assembly comprises a plurality of single orifice synthetic jets, wherein at least one of the sidewalls includes a plurality of slots disposed on at least one of the sides of the array of fins, and wherein the at least one attachment means are configured for insertion into respective ones of the slots and for securing the respective single orifice synthetic jet to the slot. 3. The chassis of claim 1, wherein the at least one synthetic jet assembly comprises a plurality of single orifice synthetic jets, wherein the at least one attachment means comprises a plurality of clips each of the clips having a bent portion, wherein each of the single orifice synthetic jets is attached to a respective one of the clips, and wherein the bent portion of each of the clips is fastened to a respective one of the one or more sidewalls. 4. The chassis of claim 1, wherein the at least one synthetic jet assembly comprises a plurality of single orifice synthetic jets, and wherein the at least one attachment means comprises a plurality of flexible portions, wherein each of the single orifice synthetic jets has at least one flexible portion affixed thereto, and wherein each of the flexible portions is fastened to a respective one of the one or more sidewalls. 5. The chassis of claim 4, wherein at least one of the single orifice synthetic jets is oriented at an angle relative to the fins. 6. The chassis of claim 1, wherein the at least one synthetic jet assembly comprises a plurality of single orifice synthetic jets, wherein the attachment means comprises a frame and a plurality rods attached to and extending from the frame, and wherein each of the single orifice synthetic jets is attached to two neighboring ones of the rods. 7. The chassis of claim 6, wherein the attachment means further comprises a plurality of flexible portions, wherein each of the single orifice synthetic jets has at least two flexible portions affixed thereto, and wherein the single orifice synthetic jets are attached to the rods via the flexible portions. 8. The chassis of claim 6, wherein each of the single orifice synthetic jets has at least three flexible portions affixed thereto, and wherein each of the single orifice synthetic jets is attached to the frame via a respective one of the flexible portions. 9. The chassis of claim 1, wherein the at least one synthetic jet assembly comprises a plurality of single orifice synthetic jets, wherein the attachment means comprises a partially enclosed package, and wherein each of the single orifice synthetic jets is disposed within the partially enclosed package. 10. The chassis of claim 9, wherein the partially enclosed package comprises a first portion and a second portion, wherein the first portion defines a plurality of openings configured to receive respective ones of the single orifice synthetic jets, and wherein the second portion is attached to the first portion to cover the openings. 11. The chassis of claim 10, wherein the partially enclosed package further comprises a plurality of gaskets, each of the gaskets being disposed in a respective one of the openings and accommodating a respective one of the single orifice synthetic jets, and wherein the partially enclosed package is attached to a respective one of the sidewalls. 12. The chassis of claim 1, wherein a lower one of the sidewalls does not have an array of fins, wherein the attachment means comprises at least one plate mounted to the lower sidewall, wherein at least one of the single orifice synthetic jets is mounted to the plate and oriented to direct a jet outwards, and wherein the plate has at least one bent portion for guiding the jet around a corner of the chassis for incidence upon the array of fins on a neighboring one of the sidewalls. 13. The chassis of claim 12, wherein the attachment means comprises one plate mounted to the lower sidewall, wherein at least two of the single orifice synthetic jets are mounted to the plate and oriented to direct respective jets outwards in opposite directions, and wherein the plate has two bent portions for guiding respective ones of the jets around the respective corner of the chassis for incidence upon the array of fins on respective neighboring ones of the sidewalls. 14. The chassis of claim 13, wherein a plurality of the single orifice synthetic jets are mounted to the plate and oriented to direct respective jets outwards in a first direction, and wherein a plurality of the single orifice synthetic jets are mounted to the plate and oriented to direct respective jets outwards in a second direction. 15. The chassis of claim 12, wherein the attachment means comprises a first plate and a second plate mounted to the lower sidewall, wherein at least one of the single orifice synthetic jets is mounted to the first plate and oriented to direct a jet outwards in a first direction, wherein at least one of the single orifice synthetic jets is mounted to the second plate and oriented to direct a jet outwards in a second direction, and wherein each of the first and second plates has a bent portion for guiding the respective jet around the respective corner of the chassis for incidence upon the array of fins on the respective neighboring one of the sidewalls. 16. The chassis of claim 15, wherein a plurality of the single orifice synthetic jets are mounted to the first plate and oriented to direct respective jets outwards in the first direction, and wherein a plurality of the single orifice synthetic jets are mounted to the second plate and oriented to direct respective jets outwards in the second direction. 17. The chassis of claim 1, wherein each of the multi-orifice synthetic jets comprises: a first flexible structure;a second flexible structure;at least one active material coupled to at least one of the first and second flexible structures; anda compliant wall positioned between the first and second flexible structures and defining a chamber, wherein the compliant wall defines a plurality of orifices for facilitating fluid communication between the chamber and an ambient environment of the fins. 18. The chassis of claim 17, wherein the at least one active material is positioned on both of the first and second flexible structures. 19. The chassis of claim 1, wherein the fins comprise plate fins arranged in a v-groove configuration. 20. A chassis with distributed jet cooling, the chassis comprising: one or more sidewalls defining a volume configured to substantially surround one or more heat generating components positioned within the volume;at least one array of fins thermally coupled to a respective one of the one or more sidewalls;at least one synthetic jet assembly comprising a plurality of single orifice synthetic jets disposed on a side of a respective one of the at least one array of fins, wherein each of the single orifice synthetic jets is configured to direct a jet at an end of a respective one of the fins,wherein each of the single orifice jets comprises an orifice, wherein at least a subset of the orifices have an opening length L in a range of about three (3) millimeters (mm) to about seventeen (17) mm, and wherein a distance d between a respective one of the orifices and the respective end of the fin is in a range of about one millimeter (mm) to about seven (7) mm. 21. The chassis of claim 20, wherein at least a subset of the orifices have an opening length L in a range of about eight (8) mm to about seventeen (17) mm. 22. The chassis of claim 21, wherein at least a subset of the orifices have an opening length L in a range of about thirteen (13) mm to about seventeen (17) mm. 23. The chassis of claim 20, wherein the distance d is in a range of about one millimeter (mm) to about 3 mm. 24. The chassis of claim 20, wherein each of the at least one synthetic jet assembly comprises an integer number N single orifice synthetic jets, and wherein a spacing between neighboring ones of the single orifice synthetic jets is every fourth fin. 25. The chassis of claim 20, wherein each of the at least one synthetic jet assembly comprises an integer number N single orifice synthetic jets, and wherein a spacing between neighboring ones of the single orifice synthetic jets is every third fin. 26. The chassis of claim 20, wherein each of the at least one synthetic jet assembly comprises an integer number N single orifice synthetic jets, and wherein a spacing between neighboring ones of the single orifice synthetic jets is every other fin.
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