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3-14-2002 Instrument Engineering
ARCS Review
Engineering Design
Ralph Niemann
Don Ghilardi
Robb Williams
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3-14-2002 Instrument Engineering
Recent Design Issues
• Detector Mounting• Vacuum Vessel Concepts• System Integration
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3-14-2002 Instrument Engineering
Detector Module Mounting
• 8 Detectors per Module
• Neutron Shielding
• Read out card (ROC) mounting
• Current concept ~35 pounds
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3-14-2002 Instrument Engineering
Module Mounting
• Assume Man Access from behind for now
• Potential Access:
– From above/below
– Remote Access
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3-14-2002 Instrument Engineering
Module Mounting
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3-14-2002 Instrument Engineering
Module Mounting
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3-14-2002 Instrument Engineering
Module Mounting
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3-14-2002 Instrument Engineering
Vacuum Vessel
• Tank Particulars
– 70 Cubic Meters
– 3.9 meter radius
– Irregular shape to accommodate building
– 35,000 pounds
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3-14-2002 Instrument Engineering
Tank Drawing
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3-14-2002 Instrument Engineering
Tank Plan View
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3-14-2002 Instrument Engineering
Sample Gate Concept
• Ability to change sample without bringing entire vessel to atmosphere
• Other concepts still need to be investigated.
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3-14-2002 Instrument Engineering
Sample Chamber
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3-14-2002 Instrument Engineering
Sample Chamber
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3-14-2002 Instrument Engineering
Sample Access
• Hoist for sample equipment
• Access to sample area from Central Lab Office
• Miscellaneous tank controls accessible from sample area
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3-14-2002 Instrument Engineering
Pump Access
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3-14-2002 Instrument Engineering
Instrument Shielding
• Poured in Place High Density Concrete
• Stackable High Density Concrete
• Steel Shielding 18” around the beam
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3-14-2002 Instrument Engineering
Fermi Chopper Mounting
• Remote Adjustment in and out of beam
• Integrate design with shielding to allow access from the top of shielding
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3-14-2002 Instrument Engineering
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3-14-2002 Instrument Engineering
Upcoming Efforts
• Detector Mounting– Test Chamber
• Detector in Vacuum
• Module Handling
• Vacuum Chamber– Tank Access
– Installation Issues
– “Crispy Mix” Mounting and Vacuum Effects
• Sample Chamber– Gate Concept
– Sample Manipulation
– Other Components
• Collimator
• “Thimble”
• System Integration– Conventional Facilities
– Safety Regulations