24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 1 LARP Vertical Test Facility Vertical Dewar Design, Magnet Prep And Installation Paul Kovach January 24, 2013
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 2 Outline Design details Assembly sequence
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 3 Design Details
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 4 Overall System Configuration
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 5 Self contained heat exchanger - copper pipe in yoke hole - connected directly to Nash pump Vertical Dewar = 24KA vapor cooled leads, 1.9K, 1 atm vessel, 4.5K LHe “thermal shield”, insulating vacuum, instrumentation, etc.
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 6 Top of lambda plate to bottom of dewar top hat = 40 in. (min. LHe distance ~ 28 in.) 1.9K exhaust (to Nash) 300K 4K liquid - gas Inner / outer Insulating vacuum 4K heat shield (existing dewar) Vertical Dewar Details G-10 – SST Lambda plate Bolted – metal seal 1.9K-4.5K relief G-10 hanging support 300K 1.9K vacuum 4.5K vacuum 4.5K vacuum Bottom detail 4.5K-1.9K “J-T” pre-cool heat exchanger 1.9K heat exchanger pipe
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 7 1.9k Heat Exchanger Details 1.9K exhaust (Nash vacuum) 1.9K reservoir helium pre-cool heat exchanger (from 1.9K exhaust) Level Probe4.5k He Supply
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 8 Assembly Sequence
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 9 Cold Mass Ready For Up-Righting Top Hat/ Lambda Plug Prep Fixture Lifting Details
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 10 Lower Up-Righted Cold Mass into Wiring Stand Attaching Top Hat/ Lambda Plug Assembly Remove Lifting Ring Install In Wiring Stand
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 11 Lower Magnet To Final Position In Wiring Stand Solder main leads Connect Hypertronics, etc. Lower Cold Mass Assembly Onto Wiring Stand
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 12 Existing Vertical Dewar New Vacuum Jacketed 1.9K Vessel Install 1.9K Vessel Into Vertical Dewar On Temporary Support Rings Install 1.9K vessel Into Vertical Dewar (1 time only)
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 13 Bolt Lambda Plug to 1.9K Vessel Connect vacuum line Connect He fill line Install heat exchanger, outer warm bore Remove Temporary Support Ring And Lower cold mass, 1.9K Vessel Into Dewar Install inner warm bore Lower Magnet Into 1.9K Vessel Install cold mass into dewar
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 14 Extra slides
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 15
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 16
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 17
24 January 2014 LARP VTF Follow-up Meeting P. Kovach VTF 18 Background Info Crane capacity: double hooks, 30T and 5T Hook heights: 303 IN., 30t; 324 IN. APPROX, 5T “dewar 3” = 6.1 m deep, sits 0.9 m above floor, is 710 mm inner diameter Plan assumes 4785 mm overall cold mass length