Difference between revisions of "GlueX Target Design Review, February 23, 2012"

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(Notes)
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==Notes==
 
==Notes==
  
As recorded by Mark:
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* target volume of 0.4 l of liquid hydrogen expands to about 1000 l at STP
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* Hall B pumps on scattering chamber with turbo pump all the time.
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* Jim added [http://www.lakeshore.com/products/Cryogenic-Temperature-Sensors/Cernox/Models/Pages/Overview.aspx Lakeshore Cernox temperature sensors] at various heights.
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** Chris requested that they be removable, to replace defective ones
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* Chris recommends the [http://www.lakeshore.com/products/cryogenic-temperature-monitors/model-218/Pages/Overview.aspx Lakeshore Model 218] 8-channel temperature monitor read-out unit.
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* System should be able to liquefy helium-4, taking it down to 3 K.
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* Jim will look into adding a relief tube to by-pass normal feed in case of boil off of target liquid.
  
.4 l target
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Notes recorded by Mark.
1000 l at STP
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hall b pumps on scattering chamber with turbo pump all the time
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flag on height of fins in condenser, flag raised on gas flow in case of target boiling
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lakeshore cernox temperature sensors at various heights, Chris Keith requested
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steve reports problems with vcr fittings
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lakeshore model 218 8-channel read-out montor temperatures
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should be able to do helium 4
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go down to 3 degrees
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not 2.3 k
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relief tube, not used for cool down and gas feed, by-passes
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Revision as of 15:39, 23 February 2012

Present: Steve Christo, Jim Fochtman, Mark Ito, Dave Kashy, Chris Keith, Elton Smith, Tim Whitlatch, Elliott Wolin

Review Slides

Jim's Presentation

Notes

  • target volume of 0.4 l of liquid hydrogen expands to about 1000 l at STP
  • Hall B pumps on scattering chamber with turbo pump all the time.
  • Jim added Lakeshore Cernox temperature sensors at various heights.
    • Chris requested that they be removable, to replace defective ones
  • Chris recommends the Lakeshore Model 218 8-channel temperature monitor read-out unit.
  • System should be able to liquefy helium-4, taking it down to 3 K.
  • Jim will look into adding a relief tube to by-pass normal feed in case of boil off of target liquid.

Notes recorded by Mark.