[97452] in North American Network Operators' Group
Re: Diesel storage (was:RE: 24x7 Support Strategies)
daemon@ATHENA.MIT.EDU (Dorn Hetzel)
Thu Jun 14 20:26:19 2007
Date: Thu, 14 Jun 2007 20:25:21 -0400
From: "Dorn Hetzel" <dhetzel@gmail.com>
To: "michael.dillon@bt.com" <michael.dillon@bt.com>
Cc: nanog@merit.edu
In-Reply-To: <D03E4899F2FB3D4C8464E8C76B3B68B085AC5B@E03MVC4-UKBR.domain1.systemhost.net>
Errors-To: owner-nanog@merit.edu
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It occurs to me that if you wanted to run backup generators on veggie, that
you could tap some of the waste heat from all the lieberts with a
desuperheater and keep the veggie as hot as you liked for no net energy
cost... :)
On 6/14/07, michael.dillon@bt.com <michael.dillon@bt.com> wrote:
>
> > As the price of petrol fuel supplies slowly moves upward due to demand
> from
> > China and India, I foresee datacenters moving away from diesel
> generators as
> > backup power sources towards fuel cells/generators that can burn natural
> gas and hydrogen.
> Technically fuel cells don't burn the fuel; they rely on a chemical
> process that is
> rather like a battery except that it relies on a continuous supply of
> fresh fuel
> to supply hydrogen atoms. The fuel cell has a catalyst which strips
> electrons
> off the fuel, and those flowing electrons are electricity.
>
> Unfortunately, most fuel cells run very hot (600 C with molten carbonate)
> or
> use noxious chemicals (sulphuric acid slurry). But a lot of work is being
> done
> into developing fuel cells that run at low temperatures and which are not
> so
> fussy about the fuel that you feed them. One company that has interesting
> commercial products right now is Acumentrics:
> http://www.acumentrics.com/products-power-generators.htm
>
> --Michael Dillon
>
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It occurs to me that if you wanted to run backup generators on veggie, that you could tap some of the waste heat from all the lieberts with a desuperheater and keep the veggie as hot as you liked for no net energy cost... :)
<br><br><div><span class="gmail_quote">On 6/14/07, <b class="gmail_sendername"><a href="mailto:michael.dillon@bt.com">michael.dillon@bt.com</a></b> <<a href="mailto:michael.dillon@bt.com">michael.dillon@bt.com</a>> wrote:
</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
<div><span class="q">
<div dir="ltr" align="left"><font face="Arial" size="2"><span>> </span></font> As the price of petrol fuel
supplies slowly moves upward due to demand from <span><font color="#0000ff" face="Arial" size="2"> </font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">> </font></span>China and India, I foresee datacenters
moving away from diesel generators as <span><font color="#0000ff" face="Arial" size="2"> </font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">></font> </span>backup power sources towards fuel
cells/generators that can burn natural gas and hydrogen. <br><span><font color="#0000ff" face="Arial" size="2"></font></span></div></span>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Technically fuel cells don't burn the fuel; they rely on
a chemical process that is </font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">rather like a battery except that it relies on
a continuous supply of fresh fuel</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">to supply hydrogen atoms. The fuel cell has a catalyst
which strips electrons</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">off the fuel, and those flowing electrons are
electricity.</font></span></div>
<div dir="ltr" align="left"><span></span> </div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">Unfortunately, most fuel cells run very hot (600 C
with molten carbonate) or</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">use noxious chemicals (sulphuric acid slurry). But a lot of
work is being done</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">into developing fuel cells that run at low temperatures and
which are not so</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">fussy about the fuel that you feed them. One company
that has interesting</font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">commercial products right now
is Acumentrics:</font></span><span> </span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2"><a href="http://www.acumentrics.com/products-power-generators.htm" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">http://www.acumentrics.com/products-power-generators.htm
</a></font> </span><br><span><font color="#0000ff" face="Arial" size="2"> </font></span></div>
<div dir="ltr" align="left"><span><font color="#0000ff" face="Arial" size="2">--Michael Dillon</font></span></div></div>
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