Difference between revisions of "GlueX Target Design Review, February 23, 2012"
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==Notes== | ==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. | * Hall B pumps on scattering chamber with turbo pump all the time. | ||
* Jim added [http://www.lakeshore.com/products/Cryogenic-Temperature-Sensors/Cernox/Models/Pages/Overview.aspx Lakeshore Cernox temperature sensors] at various heights. | * Jim added [http://www.lakeshore.com/products/Cryogenic-Temperature-Sensors/Cernox/Models/Pages/Overview.aspx Lakeshore Cernox temperature sensors] at various heights. | ||
| − | ** Chris requested that they be removable, to replace defective ones | + | ** Chris requested that they be removable, to replace defective ones. |
* 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. | * 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. | ||
* System should be able to liquefy helium-4, taking it down to 3 K. | * System should be able to liquefy helium-4, taking it down to 3 K. | ||
Revision as of 15:41, 23 February 2012
Present: Steve Christo, Jim Fochtman, Mark Ito, Dave Kashy, Chris Keith, Elton Smith, Tim Whitlatch, Elliott Wolin
Review Slides
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.
