The Spallation Neutron Source (SNS): Radiation Protection Aspects from Design to Commissioning F. X. Gallmeier
[email protected]
P. D. Ferguson, I. I. Popova, E. B. Iverson, W. Lu SNS Experimental Facilities Division Oak Ridge National Laboratory managed by UT-Battelle EURISOL and SAFERIB Radiation Protection Meeting Saclay, October 27-28, 2005 October 27 , 2005
Slide 1
Outline 1 1 1 1
234567859 34 4 7 67 5776 44 458479 3 57 67 57 4784 4 73 5 4 799597 97 67 5773 5 787 394 4 7 4 7 53 4 9
October 27 , 2005
Slide 2
The Spallation Neutron Source Facility 1 577 47 547
53 4 747 !
1 " 7#$%7&'74 7 47 57 ()*77 57 38+97 5847 95879 4 7 9 3 5 1 57 5,75 3 76*7 47 57( -# *7..
1 7 47 57 57 38+97 58476 44 76 37 5 3 79 534 1 7 47 5779 3 7834/57 63 07127735 37 9 3 57 4 776*7
0 3 57 7 57.. October 27 , 2005
Slide 3
SNS Key Parameters 1 1234356789 6 3 826356492 84 1 1896 234356789 68582 1 1862948 1 1234356 8685 4 1 "582 6 826 8 1 &92 84'(542 85467)*)5 1 + 78263,65842356789 6)58
October 27 , 2005
6 68 6 6! #$6% -
Slide 4
Layout of the SNS Linac The SNS Linac is constructed of 5 different types of linear accelerator “building blocks”, each of which is optimized to a certain range of Hbeam velocities 402.5 MHz RFQ
DTL
805 MHz CCL
Super Conduct 1
186 MeV 86.8 MeV Ion 2.5 MeV Source (7% speed (40% speed (55% speed of light) of light) of light)
Lawrence Berkley National Lab. October 27 , 2005
Los Alamos National Lab.
Super Conduct 2
387 MeV (70% speed of light)
To Ring
1000 MeV (88% speed of light)
Jefferson National Laboratory Slide 5
Linac Components
October 27 , 2005
Slide 6
The Accumulator Ring (designed and being built at Brookhaven National Lab.)
5
9484 7694 54 9 4 5 4 874
123456
October 27 , 2005
123456
!99 84 4 874 4 "1#$4 6 4 %4
477898 6 7 664 484
4 6 674 78*648 6
789 6
%89 4 %4###&
'( 4 874 4 )8
75 6
5
554
76 Slide 7
The Target Monolith (designed and being built at Oak Ridge National Lab.)
Shutter Gate Hot Cell
400” (10 m) Diameter liner October 27 , 2005
Target and Cart Assembly Slide 8
Target Region within Target Monolith Target Module with jumpers
Target Inflatable seal Core Vessel water cooled shielding
Core Vessel Multi-channel flange October 27 , 2005
Outer Reflector Plug
Moderators
Protons
Target Slide 9
Neutron Instrumentation
October 27 , 2005
Slide 10
Shielding Strategy at the SNS 1 3 3 7
4 75* 9357 7384 4 747
38 57 4 7 4565 3 05 7 677538697:735 4 7# 73273 7);
