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Re: [Land-speed] New technology S-CO2

To: "23weldon" <23.weldon@comcast.net>, <land-speed@autox.team.net>
Subject: Re: [Land-speed] New technology S-CO2
From: "Dave Dahlgren" <dahlgren536@comcast.net>
Date: Mon, 14 Mar 2011 04:37:03 -0400
Think water cooled intercooler with ice water and pump for the condenser..
----- Original Message ----- 
From: "23weldon" <23.weldon@comcast.net>
To: <land-speed@autox.team.net>
Sent: Sunday, March 13, 2011 7:52 PM
Subject: [Land-speed] New technology S-CO2


> It's been a period of enforced personal silence after I got involved in an
> unfortunate exchange here.  But I thought it was worth making this one 
> post
> which may be of interest to some.
> Check out:
> http://www.sandia.gov/LabNews/110211.html
> It's a Sandia press release of sorts describing one of their projects.
>
> For extensive detail here's the Sandia technical paper on the project.
> http://prod.sandia.gov/techlib/access-control.cgi/2010/100171.pdf
>
> So what's the connection to land speed racing?
> The first photo in the web page shows a picture of some equipment under 
> test
> and in the back ground is a young engineer from Barber-Nichols, a Colorado
> company.
> Remember that name?  It's painted on a car in a Reno museum.
> http://www.oiccam.com/reno/car_museum/racecars/1977_steamin_demon.shtml
> The Barber name is also on the first page of our Bonneville records in the
> rule book under class  /S.
>
> Now take a close look at that photo in the Sandia release and just left of 
> the
> center of the picture is a cylindrical metallic assembly about a foot in
> diameter and 30 some inches long.  That is a 240 KW (320hp) Turbo 
> generator
> pumping high pressure supercritical CO2 (S-CO2) from one end into a boiler 
> of
> sorts which feeds a turbine on the other end which in turn sends the now
> energy depleted S-CO2  to a condenser from which it returns the loop to 
> the
> compressor.  The energy output is electricity.  At this point there is a 
> lot
> for me to learn about this process; but I can't help but wonder if the
> "boiler" and "condenser" can be made a small enough size to fit in a
> streamliner or lakester and whether the condenser cooling can be compact
> enough to fit into a practical streamliner body.  I'm assuming here that 
> air
> cooling with the S-CO2 coolant being reused is the only way.  I doubt if
> enough CO2 could be carried along to just exhaust it into the air the way 
> a
> steam loco or Stanley Steamer dumps water.  Nor is such an approach liable 
> to
> attract any outside technical support for obvious political reasons.
> PorkPie:  Got your ears on?
> Ed Weldon
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