84 K nitrogen system for the SSC
- Superconducting Super Collider Lab., Dallas, TX (United States)
- Center for Advanced Technology, Indore (India)
The nitrogen system for the Superconducting Super Collider (SSC) is designed to provide the 84 K (nominal) shield refrigeration for the collider rings. Liquid nitrogen is supplied to the collider tunnel from one, two, or more locations on the surface through the service shafts and is distributed along the 87 km of both rings by the 84 K shield lines. Additional design requirements for the nitrogen distribution system include precooling fluid supply to the helium plants, supplying makeup liquid nitrogen to the reservoirs located at the entrance of the main shafts, and providing an efficient cooldown means for the cold mass from 300 K to 90 K. The operational modes and possible emergency and maintenance conditions of the collider are taken into account for the nitrogen system design. The status of our work, including design considerations that address thermal aspects (heat load, recooling scheme, etc.) and hydraulic aspects (pressures, elevations, distances, etc.) of the nitrogen system will be discussed.
- Research Organization:
- Superconducting Super Collider Lab., Dallas, TX (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC35-89ER40486
- OSTI ID:
- 10148554
- Report Number(s):
- SSCL-Preprint--87; CONF-920331--9; ON: DE92013955
- Country of Publication:
- United States
- Language:
- English
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