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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/38231488
Record Status
Checked
Record Id
38231488
Title
Innovative Cryogenic Test Facility for Testing SRF Cavity Series Production
Contributors
L Bizel-Bizellot (STFC Daresbury Lab.)
,
M Ellis (STFC Daresbury Lab.)
,
S Pattalwar (STFC Daresbury Lab.)
,
M Pendleton (STFC Daresbury Lab.)
,
P Smith (STFC Daresbury Lab.)
,
A Wheelhouse (STFC Daresbury Lab.)
Abstract
Testing SRF cavities in a vertical cryostat is the first step in qualifying the performance of SRF cavities before being integrated into a cryomodule. The European Spallation Source (ESS) requires 84 high-beta 5 cells, 704 MHz cavities which will be manufactured and qualified for their RF performance in a vertical cryostat at Science and Technology Facility Council (STFC) Daresbury Laboratory (United-kingdom). Taking a conventional approach each vertical test would require a large cryostat demanding more than 7000 litres of liquid helium per test for testing 3 cavities simultaneously. In order to reduce the overall operating cost, we plan to develop an alternative method to divide the liquid helium consumption by 5 by filling liquid helium only in each individual helium vessels enclosing each cavity placed horizontally in the cryostat. Therefore the test is performed in more realistic conditions such as in a cryomodule and reduces the operating time. This also reduces the mass flow-rate to be handled by a factor 10, leading to 2 g/s, thus reducing the size of the associated components such as the 2 K pumps, the safety device, the valves and transfer lines.
Organisation
ASTeC
,
TECH
,
STFC
Keywords
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Language
English (EN)
Type
Details
URI(s)
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Year
Paper In Conference Proceedings
In 18th International Conference on RF Superconductivity (SRF2017), Lanzhou, China, 17-21 Jul 2017, (2017): 520-523.
http://accelconf.…7/papers/tupb060.pdf
2017
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