> Honestly, though, I think most of this is moot. With
direct-contact liquid cooling and warm-water cooling, I think
for most data centers, cooling to ambient air should be
adequate. For >places where that isn't enough, I would think
a shallow, man-made cooling pond on premises would be an
adequate heat sink, without having to go all the way to the
ocean. By keeping >it shallow, at night when it cools off,
the pond could dump a lot of its heat to the atmosphere.
Something like this perhaps?
https://youtu.be/0gCXfWCLZAA
On Mon, 5 Nov 2018 at 16:01, Prentice Bisbal via Beowulf
<beowulf@beowulf.org <mailto:beowulf@beowulf.org>> wrote:
Prentice
On 11/05/2018 06:02 AM, Stu Midgley wrote:
As far as I can tell, they are just using the salt water
to reject the heat to. How they get the heat from the
cpu/hot bits to the water is not clearly stated...
A passive heat exchanger would make energy sense... but
would cost a bomb in engineering... maybe direct fluid
cooling (asetek) with a heat-exchanger to the salt water?
Either way, its stupid. They could just easily pump the
cool salt water from the ocean into a DC, reject heat to
it using the same methods... and pump it back to the
ocean. Since no real delta in height, it would be
efficient in energy.
The issue with this would be the increased maintenance
cost of the equipment pumping the salt water to the the
DC, do to the corrosion from the salt water, and overall
'dirtiness' of the saltwater. A better approach would be
to have a closed loop of treated freshwater going from
the data center to the a heat exchanger submerged in the
sea. This should reduce maintenance costs for the system.
Honestly, though, I think most of this is moot. With
direct-contact liquid cooling and warm-water cooling, I
think for most data centers, cooling to ambient air
should be adequate. For places where that isn't enough, I
would think a shallow, man-made cooling pond on premises
would be an adequate heat sink, without having to go all
the way to the ocean. By keeping it shallow, at night
when it cools off, the pond could dump a lot of its heat
to the atmosphere.
OR... just use a boat...
On Mon, Nov 5, 2018 at 2:27 PM <jaquil...@eagleeyet.net
<mailto:jaquil...@eagleeyet.net>> wrote:
Probably a stupid question here,
What is the advantage of using salty sea water lets
say over for example
mineral oil? I have seen on you tube these guys
showing that a pc will
still run in a fish tank and all components
submerged in mineral oil?
Yes it will be messier to change components but
would the use of mineral
oil be more efficient?
On 2018-11-04 14:10, Gerald Henriksen wrote:
> On Sat, 3 Nov 2018 18:27:05 +0000, you wrote:
>
>> I’m not sure there’s a huge population of
Xcloud-Xbox gamers in
>> Orkney. There's not much daylight this time of
year, of course, so
>> maybe that's what those Orcadians are up to.
>
> Likely just a convenient place for a second test unit.
>
> In a way this is just an extension of the
idea/product Sun came up wth
> where they put a datacentre in a shipping
container with the idea that
> you could quickly get the datacentre where it was
needed.
>
> While I wouldn't say this won't fail, I think
there is a lot of
> attraction to the concept given not just the time
lag do build a
> traditional data centre (mentioned in the
article), but even the cost
> of real estate in many/most places people live
these days. Do you,
> for one example, want to pay NYC rents or just
throw a bunch of pods
> in the Hudson?
>
> I guess once you accept the idea that we no longer
maintain these
> datacentres in the traditional way - we now just
let hardware fail in
> place and ignore it until it's time to replace all
the hardware -
> moving to smaller sealed units doesn't seem to
strange.
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--
Dr Stuart Midgley
sdm...@gmail.com <mailto:sdm...@gmail.com>
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