scholarly journals Conceptual design for one megawatt spallation neutron source at Argonne

2002 ◽  
Author(s):  
Y. Cho ◽  
J. Bailey ◽  
B. Brown ◽  
F. Brumwell ◽  
J. Carpenter ◽  
...  
Keyword(s):  
Conceptual Design ◽  
Neutron Source ◽  
Spallation Neutron Source

scholarly journals Neutronics analyses for the conceptual design of the SNS Second Target Station

2020 ◽  
Vol 22 (2-3) ◽  
pp. 265-273
Author(s):  
Igor Remec ◽  
Franz X. Gallmeier
Keyword(s):  
Proton Beam ◽  
Conceptual Design ◽  
Neutron Source ◽  
Cross Sections ◽  
Energy Deposition ◽  
National Laboratory ◽  
Spallation Neutron Source ◽  
Target Station ◽  
Oak Ridge ◽  
Residual Heat

The Spallation Neutron Source, in operation at the Oak Ridge National Laboratory since 2006, was designed to allow the addition of a second target station and an upgrade of the accelerator proton power. Both upgrades are now underway. This paper describes the evolution of the design of the target of the second target station with the emphasis on the effects of the proton beam footprint on the energy deposition in the target, stresses induced by the pulsed operation, and the importance of the residual heat. The moderator configurations and their optimization are discussed. With the utilization of pure parahydrogen moderators, small neutron beam cross-sections, and the specific optimization, neutron beams of the second target station will achieve exceptionally high peak brightness and time-averaged brightness.

The Spallation Neutron Source (SNS) project: a fertile ground for radiation protection and shielding challenges

2005 ◽  
Vol 115 (1-4) ◽  
pp. 23-32 ◽  
Author(s):  
F. X. Gallmeier ◽  
P. D. Ferguson ◽  
I. I. Popova ◽  
E. B. Iverson
Keyword(s):  
Radiation Protection ◽  
Neutron Source ◽  
Spallation Neutron Source ◽  
Fertile Ground
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