Difference between revisions of "GlueX Target Design Review, February 23, 2012"
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==Review Slides== | ==Review Slides== | ||
| − | [https:// | + | [https://halldweb.jlab.org/talks/2012-1Q/Hall%20D%20Target%20Design%20Status,%20February%2022,%202012.pptx Jim's Presentation] |
==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. | ||
| + | * 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 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. | ||
| + | * 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. |
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Latest revision as of 23:09, 31 March 2015
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.
