[ RadSafe ] Modular Reactors

[Dan McCarn]

Thermal... or electric?

General Atomics was well on their way to designing a high-temperature,
pebble-bed, helium-cooled reactor.  What's the status of that?  Memory
serves that South Africa ordered one; is that true?

Dan ii

On Wed, Oct 31, 2012 at 12:06 PM, Jim Darrough <darrougj at onid.orst.edu>wrote:

> 50 Mw
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of McClung, Danny
> Sent: Wednesday, October 31, 2012 10:55 AM
> To: The International Radiation Protection (Health Physics) Mailing List
> Subject: Re: [ RadSafe ] Modular Reactors
>
> What is the projected power output of one of these units?
>
> Suitable for backyard use?
>
> Danny K. McClung, BS, RRPT
> Health Physics Consultant
> Office of Public Health (10P3A)
> Veterans Health Administration
> W 202.461.1021; M 202.527.2323
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Brennan, Mike
> (DOH)
> Sent: Wednesday, October 31, 2012 1:07 PM
> To: The International Radiation Protection (Health Physics) MailingList
> Subject: Re: [ RadSafe ] Modular Reactors
>
> If NuScale is "now making" reactors, they are doing it without the press
> releases I would expect, including one saying the NRC had given them a
> license.
>
> NuScale has an interesting concept, and some serious financing, but there
> are some real challenges.  I like that the reactor vessel is also the
> packaging for the fuel, both before and after use.  I like the modular,
> transportable, design.  I am not impressed with a two-year projected life
> for the reactor, but I recognize that this is driven by choosing light
> water
> and low enrichment.  I agree with the reasonableness of leaving used
> reactors in place for a couple of decade to let the spent fuel decay down,
> and I would love to see some ideas for using the heat after the reactor
> can't maintain criticality, but I see political problems.
>
> I wish them luck, but my breath remains unheld over their first delivery.
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of JPreisig at aol.com
> Sent: Tuesday, October 30, 2012 11:53 PM
> To: radsafe at health.phys.iit.edu
> Subject: [ RadSafe ] Modular Reactors
>
> Dear Radsafe:
>
>
>      Hey Group,
>
>           Apparently there is  a company called  nuscale power now making
> modular reactors.
> They are in Corvallis, Oregon.  Google the name???
>
>          Take  Care    Joe Preisig
>
>
>
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-- 
Dan ii

Dan W McCarn, Geologist
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