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PostPosted: May 06, 2015 7:42 am 
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Joined: Feb 25, 2011 1:55 am
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New small modular reactor startup decloaked called X-Energy,

http://www.x-energy.com

Xe-100 appears to be a TRISO pebble bed gas cooled reactor, modular in design. Seems to be their basic concept is a 4 pack of containment vessels below grade, with a shared central spent fuel pebble storage caisson.


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PostPosted: May 07, 2015 12:44 am 
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Joined: Jan 12, 2010 10:15 am
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Location: Singapore
Hmm, I wonder if they have any connection with the Chinese HTR-PM development in Shandong. If not I think that they may be hard pressed to compete since the Chinese are already building a full power system and have racked up operating experience from the HTR-10 research at Tsinghua university.

That being said I wouldn't be surprised if they were.


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PostPosted: Feb 19, 2016 6:41 pm 
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Joined: Nov 30, 2006 3:30 pm
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Link to presentation given last week at ORNL with technical details of Xe-100:

The Xe-100: A Different Kind of Nuclear Reactor


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PostPosted: Feb 19, 2016 9:16 pm 
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Joined: Apr 23, 2011 8:47 pm
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Core power density 3.9 MWt / M3 for Xe-100

Can one compare core density in pebble bed reactors to other types of reactors?

Examples: BN-800 is only 1.06 MWt / M3
From http://www.transatomicpower.com/the-science/ 1960s Design--- 4 MW th/m3 , Transatomic Design--- 86 MW th/m3


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