[ RadSafe ] Graphite SWAG Answer - Helium on tubine?

[howard long]

Penner said he expects metallurgy to enable direct turbine rotation by superheated helium
in a few years. Non-reactive helium, although very low mass, apparently could, with 
very high pressure at very high temperature, skip heat transfer steps and carry the energy direct from pebbles of U, thorium, silicon, etc, 
 
Is this something an Iran or N Korea could use without our fearing plutonium to AQ?
Howard Long

Dale Boyce <daleboyce at charter.net> wrote:
Apologies if someone has already given a legitimate answer to this thread.

If you want to generate electricity, you need water to heat to turn 
turbines. If you put graphite between the water and the turbines you lose 
efficiency for power generation. However, the Pu production doesn't really 
care what you do with the heat. One wouldn't expect graphite to be better 
for Pu production, but a loss in electrical output wouldn't be a big 
surprise, at least to me.

Dale
----- Original Message ----- 
From: "Maury Siskel" 
To: "Steven Dapra" 
Cc: 
Sent: Friday, November 11, 2005 2:54 PM
Subject: Re: [ RadSafe ] Graphite moderated reactors


> Great jumpin' butterballs and doggone!!! Dog and I had such high hopes! 
> Zut alors! Foiled again.......... Lost another one ....
> Maury&Dog
> ----------------------
> Steven Dapra wrote:
>
>> Nov. 10
>>
>> NOOOOOOOO, it is not another way, or any way, of asking how to make a 
>> bomb.
>>
>> Steven Dapra
>> sjd at swcp.com
>>
>>
>>
>> At 01:00 AM 11/11/05 +0300, you wrote:
>>
>>> Well, this is another way of asking how to make a bomb?
>>>
>>> Khalid
>>>
>>>
>>>> Nov. 9
>>>>
>>>> I read today that graphite moderated reactors are not very efficient 
>>>> for generating electricity, but are very good for producing plutonium. 
>>>> What is the reason for each of these?
>>>>
>>>> Reply by private e-mail if you wish.
>>>>
>>>> Steven Dapra
>>>> sjd at swcp.com
>>>
>>
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