Jet impingement cooling devices, systems, and methods
An impingement cooling device including a distributor plate, a manifold, and a heat spreader. The distributor plate includes a first side, a second side opposite the first side, a plurality of injection ports extending through the distributor plate from the first side to the second side, and a plurality of extraction ports extending through the distributor plate from the first side to the second side. The manifold is coupled to the distributor plate and includes a partition wall separating the plurality of injection ports and the plurality of extraction ports on the first side. The heat spreader at least partially covers an object to be cooled and includes a top surface configured to oppose the second side of the distributor plate. The heat spreader further includes a surface feature on the top surface configured to increase heat transfer therefrom.
1 . An impingement cooling device for providing cooling fluid to an object, the impingement cooling device comprising:
a distributor plate including a first side, a second side opposite the first side, a plurality of injection ports extending through the distributor plate from the first side to the second side, and a plurality of extraction ports extending through the distributor plate from the first side to the second side;
a manifold coupled to the distributor plate and including an inflow volume, an outflow volume, a first inflow opening in fluid communication with the inflow volume and the plurality of injection ports of the distributor plate, a first outflow opening in fluid communication with the outflow volume and the plurality of extraction ports of the distributor plate, and at least one structure separating the inflow volume and the outflow volume on the first side of the distributor plate; and
an impingement target being a separate component from the distributor plate and including a top surface, a bottom surface opposite the top surface, and a plurality of surface features protruding from the top surface, impingement target configured to be coupled to the distributor plate such that the second side of the distributor plate opposes the top surface of the impingement target, wherein the impingement target is configured to be coupled to a heat spreader covering the object via a thermal interface material, wherein the bottom surface of the impingement target has a surface area larger than a top surface of the heat spreader such that the impingement target overhangs at least one side of the heat spreader, so as to provide cooling to the object.
2 . The impingement cooling device of claim 1 , wherein the thermal interface material is on the bottom side of the impingement target for facilitating heat transfer between the impingement target and the heat spreader.
3 . The impingement cooling device of claim 1 , wherein the plurality of surface features on the top surface of the impingement target comprise surface etchings or machined features.
4 . The impingement cooling device of claim 1 , wherein the plurality of surface features are offset from the plurality of injection ports and the plurality of extraction ports on the second side of the distributor plate when the top surface of the impingement target opposes the second side of the distributor plate.
5 . The impingement cooling device of claim 1 , wherein each of the plurality of injection ports are formed within a post that protrudes from the second side of the distributor plate.
6 . The impingement cooling device of claim 5 , wherein, when the impingement target is coupled to the distributor plate, the posts of the distributor plate and the surface features protruding from the top surface of the impingement target intersect a plane between the impingement target and the distributor plate.
7 . The impingement cooling device of claim 6 , wherein the plane is parallel to the top surface of the impingement target.
8 . The impingement cooling device of claim 1 , wherein the manifold comprises a second inflow opening in fluid communication with the inflow volume and the plurality of injection ports of the distributor plate, and a second outflow opening in fluid communication with the outflow volume and the plurality of extraction ports of the distributor plate.
9 . The impingement cooling device of claim 8 , further comprising one or more cover plates configured to be secured to the manifold to restrict fluid flow through at least one of the first inflow opening, the second inflow opening, the first outflow opening, and the second outflow opening.
10 . The impingement cooling device of claim 1 , wherein the at least one structure of the manifold includes planar wall sections defining a trapezoidal cross-section.
11 . The impingement cooling device of claim 1 , further comprising a thermal interface material bonding the manifold and the distributor plate together.
12 . The impingement cooling device of claim 1 , wherein the plurality of injection ports are non-linear nozzles.