Workshop on Accelerator Operations August 6-10, 2012 Glen D. Johns Accelerator Operations Manager
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1 HWDB: Operations at the Spallation Neutron Source Workshop on Accelerator Operations August 6-10, 2012 Glen D. Johns Accelerator Operations Manager
2 Outline Facility overview Organization Shift schedule Operating schedule Availability 2 Managed by UT-Battelle
3 Where is SNS? Eastern Tennessee as part of Oak Ridge National Lab 3 Managed by UT-Battelle
4 What is SNS? World s highest power pulsed spallation neutron source Consists of a 1 GeV superconducting linear accelerator, accumulator ring, and a flowing liquid mercury target Operates as a National User Facility for conducting neutron scattering research 13 instruments in User Program 6 in commissioning or under construction Funded by the Department of Energy s Office of Basic Energy Sciences (~$181M/year) 4 Managed by UT-Battelle
5 Main office building -CCR Support buildings -CHL -RFTF -CUB Klystron gallery Linac tunnel Ring Instrument hall / Target building 5 Managed by UT-Battelle
6 SNS Accelerator Complex Front-End: Produce a 1- msec long, chopped, H- beam LINAC: Accelerates the beam to 1 GeV Accumulator Ring: Compress 1 msec long pulse to 700 nsec H- stripped to protons 2.5 MeV 87 MeV 186 MeV 387 MeV 1000 MeV Ion Source RFQ DTL CCL SRF, =0.61 SRF, =0.81 Deliver beam to Target MHz 805 MHz Recent 1 MW operating parameters 925 MeV beam energy 1.14E14 protons per pulse 60 Hz pulse rep rate 1.1 ma average current to target 6 Managed by UT-Battelle
7 SNS Accelerator Complex Front-End: Produce a 1- msec long, chopped, H- beam LINAC: Accelerates the beam to 1 GeV Accumulator Ring: Compress 1 msec long pulse to 700 nsec H- stripped to protons 2.5 MeV 87 MeV 186 MeV 387 MeV 1000 MeV Ion Source RFQ DTL CCL SRF, =0.61 SRF, =0.81 Deliver beam to Target MHz 805 MHz Recent 1 MW operating parameters 925 MeV beam energy 1.14E14 protons per pulse 60 Hz pulse rep rate 1.1 ma average current to target 7 Managed by UT-Battelle
8 SNS Accelerator Complex Front-End: Produce a 1- msec long, chopped, H- beam LINAC: Accelerates the beam to 1 GeV Accumulator Ring: Compress 1 msec long pulse to 700 nsec H- stripped to protons 2.5 MeV 87 MeV 186 MeV 387 MeV 1000 MeV Ion Source RFQ DTL CCL SRF, =0.61 SRF, =0.81 Deliver beam to Target MHz 805 MHz Recent 1 MW operating parameters 925 MeV beam energy 1.14E14 protons per pulse 60 Hz pulse rep rate 1.1 ma average current to target 8 Managed by UT-Battelle
9 SNS Accelerator Complex Front-End: Produce a 1- msec long, chopped, H- beam LINAC: Accelerates the beam to 1 GeV Accumulator Ring: Compress 1 msec long pulse to 700 nsec H- stripped to protons 2.5 MeV 87 MeV 186 MeV 387 MeV 1000 MeV Ion Source RFQ DTL CCL SRF, =0.61 SRF, =0.81 Deliver beam to Target MHz 805 MHz Recent 1 MW operating parameters 925 MeV beam energy 1.14E14 protons per pulse 60 Hz pulse rep rate 1.1 ma average current to target 9 Managed by UT-Battelle
10 SNS Accelerator Complex Front-End: Produce a 1- msec long, chopped, H- beam LINAC: Accelerates the beam to 1 GeV Accumulator Ring: Compress 1 msec long pulse to 700 nsec H- stripped to protons 2.5 MeV 87 MeV 186 MeV 387 MeV 1000 MeV Ion Source RFQ DTL CCL SRF, =0.61 SRF, =0.81 Deliver beam to Target MHz 805 MHz Recent 1 MW operating parameters 925 MeV beam energy 1.14E14 protons per pulse 60 Hz pulse rep rate 1.1 ma average current to target 10 Managed by UT-Battelle
11 Research Accelerator Division (~370) Facility Operations (70) Data Operations (72) Instrument Operations (46) Accelerator and Target Operations (157) Facility Maintenance Control Systems Instrument Support Electrical and RF Site Services Instrument Data Acquisition and Controls Scientific Support Superconducting Linac Systems Radiological Control Information Technology Sample Environment Accelerator Physics, Beam Instrumentation, Ion Source Mechanical Systems and Operations Accelerator Operations 11 Managed by UT-Battelle
12 Accelerator Operations Group (18) Operations Manager Machine Specialist Operations Coordinator Maintenance & Operability Coordinator Control Room Shift Supervisor (10) Control Room Accelerator Specialist (4) 12 Managed by UT-Battelle
13 Shift Schedules 13 Managed by UT-Battelle
14 FY12 Operating Schedule 14 Managed by UT-Battelle
15 How are we doing? Hrs. delivered MWh delivered to target Downtime 85.6% 92.1% 93.6% Availability 80.7% % % Managed by UT-Battelle FY07 FY08 FY09 FY10 FY11 FY12 Presentation_name 60
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