[Eng-div] Fwd: [Accelerator_staff] Accelerator Colloquium - 6/14/12

[Gayle Coleman]

ACCELERATOR COLLOQUIUM

(1)  "Generation IV Advanced Nuclear Systems and Role of MYRRHA as Waste 
Transmutation R&D Facility"

Hamid Ait Abderrahim
Belgium Nuclear Research Centre (SCK*CEN)
Mol Belgium

Nuclear fission energy is a proven technology that provides today 31% of 
electricity in the EU-27, with reactors in 15 countries. It is the 
largest source of low carbon electricity, saving nearly 900 mT of CO2 
emissions a year. It contributes to Europe's security of supply by 
limiting the dependence on fossil fuel imports. Building up on its 
present leading position, Europe has to invest in R&D to overcome 
technological breakthroughs that would guarantee Europe's future low 
Carbon energy mix and energy security of supply.

In this talk, we will report on this vision and on the innovative 
nuclear systems as well as the status of the MYRRHA project and their 
perspective and how this can lead to sustainable nuclear energy use.


(2)   "The Linear Accelerator for MYRRHA ADS"

Dirk Vandeplassche, Luis Romao Medeiros, Hamid Ait Abderrahim, Marc Schyns
Belgium Nuclear Research Centre (SCK*CEN)
Mol, Belgium

Accelerator Driven Systems (ADS) are promising tools for the efficient 
transmutation of nuclear waste products in dedicated industrial 
installations, called transmuters. The MYRRHA project at Mol, Belgium, 
placed itself on the path towards these applications with a multipurpose 
and versatile system based on a liquid PbBi (LBE) cooled fast reactor 
(80 MWth) that may be operated in both critical and subcritical modes. 
In the latter case, the core is fed by spallation neutrons obtained from 
a 600 MeV proton beam hitting the LBE coolant/target. The accelerator 
providing this beam is a high intensity CW superconducting linac 
delivering a 4 mA beam and which will be laid out for the highest 
achievable reliability. The combination of parallel redundant and of 
fault tolerance implementing schemes should allow obtaining a beam MTBF 
value in excess of 250 hours that is required for optimal integrity and 
successful operation of the ADS. MYRRHA is expected to be operational in 
2023. The forthcoming 3-year period is fully dedicated to R&D 
activities, and in the field of the accelerator they are strongly 
focused on the reliability aspects and on the proper shaping of the beam 
trip spectrum. The R&D effort takes advantage of the highly modular 
structure of the linac which allows for efficient prototyping.

Thursday, June 14, 2012
11:00 a.m. - 12:00 p.m.
CEBAF Center, Room, F113


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