<div dir="ltr"><div dir="ltr"><div class="gmail_default"><font face="verdana, sans-serif"><a href="https://en.wikipedia.org/wiki/McLaren_Technology_Centre">https://en.wikipedia.org/wiki/McLaren_Technology_Centre</a></font><br></div><div class="gmail_default"><font face="verdana, sans-serif"><br></font></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 6, 2018 at 4:50 AM C Bergström <<a href="mailto:cbergstrom@pathscale.com">cbergstrom@pathscale.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Building cooling maybe.. Then again in the UK I doubt the need would be so strong. The building from aerial view is ying/yang so it's probably just design</div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Nov 6, 2018 at 4:46 AM Prentice Bisbal via Beowulf <<a href="mailto:beowulf@beowulf.org" target="_blank">beowulf@beowulf.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
  
    
  
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    <p>Yes. Something exactly like that! Is that what that pond is used
      for? I would expect that is much larger than what is needed for a
      typical data center. <br>
    </p>
    <pre class="m_1048265873622229876m_5514018537456109023moz-signature" cols="72">Prentice </pre>
    <div class="m_1048265873622229876m_5514018537456109023moz-cite-prefix">On 11/05/2018 01:35 PM, John Hearns via
      Beowulf wrote:<br>
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              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. </span></div>
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          <div>Something like this perhaps?<br>
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          <div dir="ltr"><a href="https://youtu.be/0gCXfWCLZAA" target="_blank">https://youtu.be/0gCXfWCLZAA</a><br>
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      <div class="gmail_quote">
        <div dir="ltr">On Mon, 5 Nov 2018 at 16:01, Prentice Bisbal via
          Beowulf <<a href="mailto:beowulf@beowulf.org" target="_blank">beowulf@beowulf.org</a>> wrote:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div text="#000000" bgcolor="#FFFFFF">
            <pre class="m_1048265873622229876m_5514018537456109023m_-239222114683837985moz-signature" cols="72">Prentice </pre>
            <div class="m_1048265873622229876m_5514018537456109023m_-239222114683837985moz-cite-prefix">On
              11/05/2018 06:02 AM, Stu Midgley wrote:<br>
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            <blockquote type="cite">
              <div dir="ltr">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...
                <div><br>
                </div>
                <div>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?</div>
                <div><br>
                </div>
                <div>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.</div>
              </div>
            </blockquote>
            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.<br>
            <br>
            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. <br>
            <blockquote type="cite">
              <div dir="ltr">
                <div><br>
                </div>
                <div>OR... just use a boat...</div>
                <div><br>
                </div>
                <div><br>
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              <br>
              <div class="gmail_quote">
                <div dir="ltr">On Mon, Nov 5, 2018 at 2:27 PM <<a href="mailto:jaquilina@eagleeyet.net" target="_blank">jaquilina@eagleeyet.net</a>>
                  wrote:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Probably
                  a stupid question here,<br>
                  <br>
                  What is the advantage of using salty sea water lets
                  say over for example <br>
                  mineral oil? I have seen on you tube these guys
                  showing that a pc will <br>
                  still run in a fish tank and all components submerged
                  in mineral oil? <br>
                  Yes it will be messier to change components but would
                  the use of mineral <br>
                  oil be more efficient?<br>
                  <br>
                  <br>
                  On 2018-11-04 14:10, Gerald Henriksen wrote:<br>
                  > On Sat, 3 Nov 2018 18:27:05 +0000, you wrote:<br>
                  > <br>
                  >> I’m not sure there’s a huge population of
                  Xcloud-Xbox gamers in <br>
                  >> Orkney.  There's not much daylight this time
                  of year, of course, so <br>
                  >> maybe that's what those Orcadians are up to.<br>
                  > <br>
                  > Likely just a convenient place for a second test
                  unit.<br>
                  > <br>
                  > In a way this is just an extension of the
                  idea/product Sun came up wth<br>
                  > where they put a datacentre in a shipping
                  container with the idea that<br>
                  > you could quickly get the datacentre where it was
                  needed.<br>
                  > <br>
                  > While I wouldn't say this won't fail, I think
                  there is a lot of<br>
                  > attraction to the concept given not just the time
                  lag do build a<br>
                  > traditional data centre (mentioned in the
                  article), but even the cost<br>
                  > of real estate in many/most places people live
                  these days.  Do you,<br>
                  > for one example, want to pay NYC rents or just
                  throw a bunch of pods<br>
                  > in the Hudson?<br>
                  > <br>
                  > I guess once you accept the idea that we no
                  longer maintain these<br>
                  > datacentres in the traditional way - we now just
                  let hardware fail in<br>
                  > place and ignore it until it's time to replace
                  all the hardware -<br>
                  > moving to smaller sealed units doesn't seem to
                  strange.<br>
                  > _______________________________________________<br>
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                  sponsored by Penguin <br>
                  > Computing<br>
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                  unsubscribe) visit<br>
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                </blockquote>
              </div>
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              <div><br>
              </div>
              -- <br>
              <div dir="ltr" class="m_1048265873622229876m_5514018537456109023m_-239222114683837985gmail_signature" data-smartmail="gmail_signature">
                <div dir="ltr">Dr Stuart Midgley<br>
                  <a href="mailto:sdm900@gmail.com" target="_blank">sdm900@gmail.com</a></div>
              </div>
              <br>
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              <br>
              <pre>_______________________________________________
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    <br>
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</blockquote></div>