Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > sci.electronics.design > #518675

Re: Liquid cooling baseline testing

Show all headers | View raw

On 2018-10-08, bitrex <user@example.net> wrote:
> On 10/07/2018 04:07 AM, whit3rd wrote:
>> On Friday, October 5, 2018 at 8:47:09 AM UTC-7, bitrex wrote:
>>> I have a piece of thin aluminum plate (one side of a type of extruded
>>> aluminum enclosure really, but the edges are not thermally well-coupled
>>> to the other sides of the box) about 25 cm long by 5 cm wide by 1 mm
>>> thick, and a 40 mm by 40 mm copper water block thermal epoxied to it.
>>> The lone cooling block looks rather like this:
>>>
>>> <https://imgur.com/a/woLmWnZ>
>>>
>>> Connected to a copper processor water block thermal pasted to the CPU ...
>> 
>>> I think three or four of them distributed strategically around the
>>> enclosure surface might be enough to keep it cool
>> 
>> If you want best heat transfer, the water/copper/epoxy/aluminum is no
>> improvement over water/aluminum.   Corrosion might be an issue (not
>> all Al alloys are good when wet, and Cu with Al is a corrosion issue).
>
> I was curious as to how well something like propylene glycol compared to 
> water as a coolant fluid but couldn't immediately find any data...

Antifreeze is usually diluted using water. water has a higher thermal capacity
also it flows much more freely. glycol is viscous.

https://www.engineeringtoolbox.com/propylene-glycol-d_363.html

Appaently noone considers using pure glycol as a coolant.

-- 
  Notsodium is mined on the banks of denial.

Back to sci.electronics.design | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 11:47 -0400
  Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 11:50 -0400
  Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-05 10:49 -0700
    Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 14:58 -0400
  Re: Liquid cooling baseline testing Jasen Betts <jasen@xnet.co.nz> - 2018-10-05 22:03 +0000
    Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 19:11 -0400
      Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 19:21 -0400
      Re: Liquid cooling baseline testing Lasse Langwadt Christensen <langwadt@fonz.dk> - 2018-10-05 16:35 -0700
        Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-05 17:49 -0700
        Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-05 21:14 -0400
          Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-05 18:23 -0700
            Re: Liquid cooling baseline testing Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-06 14:58 -0400
      Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-05 17:32 -0700
    Re: Liquid cooling baseline testing Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-06 14:57 -0400
      Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-06 12:28 -0700
        Re: Liquid cooling baseline testing Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-08 09:28 -0400
          Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-08 11:53 -0400
            Re: Liquid cooling baseline testing Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2018-10-08 14:06 -0400
              Re: Liquid cooling baseline testing "Carl" <carl.ijamesXYZ@ZYXverizon.net> - 2018-10-08 18:01 -0400
                Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-08 16:41 -0700
                Re: Liquid cooling baseline testing bill.sloman@ieee.org - 2018-10-08 17:06 -0700
                Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-09 00:26 -0400
                Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-09 00:29 -0400
                Re: Liquid cooling baseline testing George Herold <gherold@teachspin.com> - 2018-10-09 05:38 -0700
              Re: Liquid cooling baseline testing bill.sloman@ieee.org - 2018-10-08 16:58 -0700
  Re: Liquid cooling baseline testing whit3rd <whit3rd@gmail.com> - 2018-10-07 01:07 -0700
    Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-07 22:25 -0400
      Re: Liquid cooling baseline testing Jasen Betts <jasen@xnet.co.nz> - 2018-10-08 02:57 +0000
        Re: Liquid cooling baseline testing Lasse Langwadt Christensen <langwadt@fonz.dk> - 2018-10-08 08:35 -0700
      Re: Liquid cooling baseline testing bill.sloman@ieee.org - 2018-10-07 20:46 -0700
        Re: Liquid cooling baseline testing bitrex <user@example.net> - 2018-10-08 00:15 -0400
  Re: Liquid cooling baseline testing tabbypurr@gmail.com - 2018-10-07 02:40 -0700
    Re: Liquid cooling baseline testing bill.sloman@ieee.org - 2018-10-07 06:11 -0700

csiph-web