operational status and future plans for the los … by los alamos national security, llc for nnsa u...
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Operated by Los Alamos National Security, LLC for NNSA
U N C L A S S I F I E D
Operational Status and Future Plans for the Los Alamos Neutron
Science Center
Kevin W. Jones and Kurt F. Schoenberg
Los Alamos National Laboratory
September 29, 2008
Presentation to Linac08
Victoria, BC, Canada
LA-UR-08-06169
Operated by Los Alamos National Security, LLC for NNSA LA-UR-08-06169
The LANSCE accelerator provides uniquely flexible time-structured beams from 100 to 800 MeV that serve 24 active experimental stations
Lujan Center 1L Target
WNR Target 4
Target 2
Proton Radiography (pRad)
Isotope Production Facility
Ultra Cold Neutron (UCN) Area RLW plant Area A (Future MTS)
Cooling Towers
Side-coupled-cavity accelerator and equipment building (100-800 MeV)
Drift tube accelerator and equipment building (0.75-100 MeV)
Injector (0-0.75 MeV)
Central Control Room
Operated by Los Alamos National Security, LLC for NNSA LA-UR-08-06169
The LANSCE LINAC simultaneously drives five experimental areas engaged in a broad range of science
3 4
5
8
Lujan Center
ER-1
6 7
ER-2
11A/B
12
13
1 2
14
15
16
Lujan Target (1L)
Weapons Neutron Research Facility
(WNR)
15L
15R 30R
60R
90R
90L
30L
120L
9 10
PSR
Ultra-Cold Neutrons (H-)
Area D (H-)
WNR Target 2
WNR Target 4
Lujan
Pulses (20Hz)
WNR(40-100Hz) or pRad/UCN
Pulses
Time
H- In
tensity
8.3
ms
…
pRad
(on Demand)
Time
H- In
tensity
8.3
ms
…
pRad
(on Demand)
Time
H- In
tensity
8.3
ms
…
Accelerator pulses of ~0.6 ms come at a rate of up to 120 per second
H+ Beam
H- Beam
Proton Radiography (H-)
H- Source
Isotope Production Facility (H+)
H+ Source
Drift Tube Linear
Accelerator
Side-Coupled Linear Accelerator
800 MeV
0.75 MeV 100 MeV
Area A
Area C
(inactive, but proposed as Material
Test Station, H+)
Operated by Los Alamos National Security, LLC for NNSA LA-UR-08-06169
40.0%
50.0%
60.0%
70.0%
80.0%
90.0%
100.0%
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
Calendar Year
Re
lia
bil
ity
Linac and BOP
Beam Delivery System
Target and Moderators
Neutron Reliability at Lujan
Overall performance for the past 13 years has been steady and demonstrates the benefits of reinvestment
Reaping the benefits of
upgrade projects
Recovery from the first age-related
infrastructure problems
Thirteen-Year Average - ~81%
Targeted maintenance to mitigate
high voltage capacitor
failures
New Modular Target Design
Operated by Los Alamos National Security, LLC for NNSA LA-UR-08-06169
LANSCE expects significant investment over the next ten years that will require close and careful coordination for success
08 09 10 11 12 13 14 15 16 17 18 FY FY
Operations
FIRP
LANSCE-R
MTS
MaRIE
Improve Turn-on Efficiency
Operate 4,500 hours per year for User Program Meet customer (NNSA/SC-BES/SC-HENP/OFES/NE) expectations for reliability
Recoup 1MW operations capability
Build/install Mark III 1L Target
Roof replacement 208/480VAC electrical replacement Water system pump replacement
HVAC replacement CD-1 Pkg
Early Procurement
System replacement as scheduled
201MHz prototype
Site Prep
320kW Ops Expected 1MW Operations
Construction
Pre-Concept M4 Construction
Multi-Probe Diagnostic Hall Build Accelerator Upgrades/Finish Project
Conceptual Design
Fire protection remediation
Build-Install Mark IV Target
Operate an average of 3,000 scheduled hours per year for User Program
Preliminary & Final Design
Commissioning
FY08 = ~$50M
$65-75M/yr sustainable
+$10M +$12M
~$22M
~$196M
~$74M
~$500-750M
Enhance Lujan Lujan Enhancement Instrument build-out (BES) ~$47M
Mk. IV Design/Neutronics
Fission & Fusion Materials Facility Build
>1,000 unique Users per year in out years
Ramp 1MW
Navy FEL Injector Tests INP Phase 1 (100 KW)
Pre-INP Tech Development ~$350M
INP Phase 2 Weaponization (>200 KW)