Immersion cooling system with phoretic force particulate collection
An apparatus is described. The apparatus includes a particle collector to collect particles from an electrically insulating liquid that one or more electronic devices are to be immersed within. The particle collector having an input port to receive the electrically insulating liquid. The particle collector having an output port to emit the electrically insulating liquid. The particle collector having one or more phoretic force devices. The phoretic force devices to induce phoretic forces within the particle collector that cause the particles to collect within the particle collector. A structure is also described. The structure is to be immersed in electrically insulating liquid and mimic a boiling enhancement layer of a cooling assembly of a chip package disposed on an electronic circuit board that is also immersed in the electrically insulating liquid.
1 . An immersion cooling system comprising:
a chamber to hold an electrically insulating liquid into which an electronic circuit board is to be immersed; and
a particle collector to collect particles from the electrically insulating liquid, the particle collector including:
an input port to receive the electrically insulating liquid;
an output port to emit the electrically insulating liquid; and
a plurality of baffles separately coupled to one or more walls of the particle collector, the plurality of baffles to create regions of slower movement of the electrically insulating liquid within the particle collector, one or more of the plurality of baffles to be electrified to induce phoretic forces within the particle collector that cause the particles to collect within the particle collector.
2 . The immersion cooling system of claim 1 , wherein an electric field resulting from the electrification of a first one of the plurality of baffles is to pass through a corresponding region of slower movement of the electrically insulating liquid within the particle collector.
3 . The immersion cooling system of claim 1 , wherein the particle collector includes one or more second devices to induce phoretic forces within the particle collector, the one or more second devices different than the plurality of baffles, the one or more second devices including one or more of:
a heater;
a cooler;
a transducer;
a vibrator; or
an electrode.
4 . The immersion cooling system of claim 1 , wherein the particle collector is external from the chamber, the input port is fluidically coupled to the chamber, and the output port is fluidically coupled to the chamber.
5 . The immersion cooling system of claim 1 , wherein the particles have a size of 1 μm or less.
6 . The immersion cooling system of claim 1 , wherein the electrification includes exposing a first one of the plurality of baffles to a positive voltage and a second one of the plurality of baffles to a negative voltage.
7 . The immersion cooling system of claim 1 , wherein a first one of the baffles is oriented at a first angle and a second one of the baffles is oriented at a second angle, the second angle different than the first angle.
8 . The immersion cooling system of claim 1 , wherein one or more of the plurality of baffles include an opening through which the electrically insulating liquid is to flow.
9 . The immersion cooling system of claim 1 , wherein the one or more of the plurality of baffles to be electrified include metal.
10 . The immersion cooling system of claim 1 , wherein an electrical potential associated with a first one of the plurality of baffles is different than an electrical potential of the corresponding wall to which the first one of the plurality of baffles is coupled.
11 . The immersion cooling system of claim 1 , including a pump fluidly coupled to the chamber and to the particle collector.
12 . A particle collector for an immersion cooling system, the particle collector comprising:
an input port to receive an electrically insulating liquid into which an electronic circuit is to be immersed, a chamber of the immersion cooling system to hold the electrically insulating liquid;
an output port to emit the electrically insulating liquid; and
a plurality of baffles separately coupled to one or more walls of the particle collector, the plurality of baffles to create regions of slower movement of the electrically insulating liquid within the particle collector, one or more of the plurality of baffles to be electrified to induce phoretic forces within the particle collector that cause particles to collect within the particle collector.
13 . The particle collector of claim 12 , wherein an electric field resulting from the electrification of a first one of the plurality of baffles is to pass through a corresponding region of slower movement of the electrically insulating liquid within the particle collector.
14 . The particle collector of claim 12 , including one or more second devices to induce phoretic forces within the particle collector, the one or more second devices different than the plurality of baffles, the one or more second devices including one or more of:
a heater;
a cooler;
a transducer;
a vibrator; or
an electrode.
15 . The particle collector of claim 12 , wherein the input port is fluidically coupled to the chamber and the output port is fluidically coupled to the chamber.
16 . A system comprising:
an electronic circuit board; and
an immersion cooling system including:
a chamber to hold an electrically insulating liquid, the electronic circuit board to be immersed in the electrically insulating liquid;
a particle collector to collect particles from the electrically insulating liquid, the particle collector including:
an input port to receive the electrically insulating liquid;
an output port to emit the electrically insulating liquid;
a plurality of baffles separately coupled to one or more walls of the particle collector, the plurality of baffles to create regions of slower movement of the electrically insulating liquid within the particle collector, one or more of the plurality of baffles to be electrified to induce phoretic forces within the particle collector that cause the particles to collect within the particle collector; and
a sensor within the electrically insulating liquid to detect a certain type of particle within the electrically insulating liquid.
17 . The system of claim 16 , wherein the particle collector includes one or more second devices to induce phoretic forces within the particle collector, the one or more second devices different than the plurality of baffles, the one or more second devices including one or more of:
a heater;
a cooler;
a transducer;
a vibrator; or
an electrode.
18 . The system of claim 16 , wherein the particle collector includes a heated copper mesh to induce phoretic forces within the particle collector.
19 . The system of claim 16 , wherein the particle collector is external from the chamber, the input port is fluidically coupled to the chamber, and the output port is fluidically coupled to the chamber.
20 . A method comprising:
immersing an electronic circuit board within an electrically insulating liquid, a chamber of an immersion cooling system to hold the electrically insulating liquid in which the electronic circuit board is to be immersed, the immersion cooling system including an input port to receive the electrically insulating liquid and an output port to emit the electrically insulating liquid;
electrifying one or more baffles of a plurality of baffles to induce phoretic forces within the electrically insulating liquid while the electronic circuit board is in a powered off state to collect, at a particle collector, particles within the electrically insulating liquid, the plurality of baffles separately coupled to one or more walls of the particle collector, the plurality of baffles to create regions of slower movement of the electrically insulating liquid within the particle collector; and
after a period of time following the electrification of the one or more baffles, causing the electronic circuit board to be powered on.