What about running cabling to the shore as well? Sent from my iPhone
> On 05 Nov 2018, at 19:34, Lux, Jim (337K) <james.p....@jpl.nasa.gov> wrote: > > The environment some 10s of meters submerged is significantly more benign > than the coast – no waves, howling winds, crashing surf, etc. Once you > solved the packaging problem (once), you’ve got a nice module you can > replicate and deploy as needed. On land, you need to pay rent, deal with > visual obstructions, etc. > > Here in California, it would probably be significantly easier to sink > something a km offshore than to put it on shore. The “onshore” facilities > would just be a fairly innocuous cabling head end. To “build” anything close > to the shore (within sight) would require substantial planning permission, > regulatory compliance, etc. > > I’m not sure what sort of permissions you’d actually need for the submerged > data center. Probably something from the Fisheries folks to ensure you’re > not disturbing the wildlife. You’d have to deal with an environmental impact > report for the shore facility, but that might be straightforward. > > > > Jim Lux > (818)354-2075 (office) > (818)395-2714 (cell) > > From: Beowulf [mailto:beowulf-boun...@beowulf.org] On Behalf Of Stu Midgley > Sent: Monday, November 05, 2018 3:03 AM > To: Jonathan Aquilina <jaquil...@eagleeyet.net> > Cc: Beowulf List <beowulf@beowulf.org> > Subject: Re: [Beowulf] More about those underwater data centers > > 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. > > OR... just use a boat... >
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