glast lat projectmarch 24, 2003 6h tracker peer review, wbs 4.1.4 1 glast large area telescope:...
TRANSCRIPT
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 1
GLAST Large Area Telescope:GLAST Large Area Telescope:
Tracker SubsystemWBS 4.1.4
6H: Tower Shipping and Storage
Thomas BordenStanford Linear Accelerator CenterTracker Subsystem Engineer
Gamma-ray Large Gamma-ray Large Area Space Area Space TelescopeTelescope
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 2
AgendaAgenda
• Requirements• Shipping Containers• Transportation Monitoring• Tower Storage
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 3
RequirementsRequirements
• Documentation– LAT-SS-00778, LAT Environmental Specification– LAT-SS-00134, Tracker Level IV Specification– LAT-MD-00228, LAT Contamination Control Plan
• Full performance testing before and after shipping• Full documentation delivered with Towers
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 4
Shipping ContainersShipping Containers
• Double containment• Inner container attaches to vibration fixture
– Aluminum rods at each corner of vibration fixture– Aluminum plates with high density foam– Data logger attached to vibration fixture– Cables secured under tower
• Outer Container– Two pieces– High impact plastic– 4 inches of high density foam all around
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 5
Transportation MonitoringTransportation Monitoring
• Electronic data logger• Mechanical shock (+/- 50 g’s), temperature, humidity and pressure• Records data in as short as 5 second intervals• Records maximum value during interval• Battery life 20 days
GLAST LAT Project March 24, 2003
6H Tracker Peer Review, WBS 4.1.4 6
Tower StorageTower Storage
• Inner shipping container used for storage• At SLAC towers will be stored in clean room, in inner container, prior
to integration• Outer shipping containers and data loggers will be reused