Zobrazeno 1 - 10
of 29
pro vyhledávání: '"W. C. Chronis"'
Publikováno v:
AIP Conference Proceedings.
The Spallation Neutron Source (SNS) is a neutron‐scattering facility being built at Oak Ridge, TN for the US Department of Energy. The SNS accelerator linac consists of superconducting radio‐frequency (SRF) cavities in cryostats (cryomodules). Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec466753c9e6e8578572fe3218b62a3e
https://doi.org/10.1063/1.1774683
https://doi.org/10.1063/1.1774683
Publikováno v:
Proceedings of the 1989 IEEE Particle Accelerator Conference, . 'Accelerator Science and Technology.
The CEBAF (Continuous Electron Beam Accelerator Facility) superconducting linear accelerator incorporates cryogenic refrigeration equipment at three locations within the site: the Central Helium Liquefier (CHF), located in the center of the accelerat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ddb8a182b7be3e5d1fc2650e9491b4e
https://doi.org/10.1109/pac.1989.73192
https://doi.org/10.1109/pac.1989.73192
Autor:
J. Creel, A. McCartney, K. Davidson, W. C. Chronis, D. Arenius, Venkatarao Ganni, Helmut Laumer
Publikováno v:
AIP Conference Proceedings.
The National Superconducting Cyclotron Laboratory (NSCL) is a National Science Foundation supported facility, with additional support from Michigan State University (MSU). The facility consists of two superconducting cyclotrons and over fifty individ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a306819f84ab8ba3e0163bc74bf542c7
https://doi.org/10.1063/1.1472023
https://doi.org/10.1063/1.1472023
Autor:
W. C. Chronis, J. R. Specht
Publikováno v:
AIP Conference Proceedings.
With 600 meters of superconducting accelerator, the Rare Isotope Accelerator (RIA) facility will have an extensive cryogenic system operating at both 2.0 K and 4.4 K. Approximately 250 4.4 K resonators, 200 2.0 K resonators, 160 4.4 K magnets, and se
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be220845ebdc9b385179f3020a066936
https://doi.org/10.1063/1.1472018
https://doi.org/10.1063/1.1472018
Publikováno v:
AIP Conference Proceedings.
In June 1999 the Thomas Jefferson National Accelerator Facility (TJNAF) Cryogenic Systems Group had completed the design, fabrication, and commissioning of a cold compressor system capable of pumping 250 g/s of 2-K helium vapor to a pressure above 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ad7e66098188920104c0ad2791334110
https://doi.org/10.1063/1.1472033
https://doi.org/10.1063/1.1472033
Publikováno v:
Advances in Cryogenic Engineering ISBN: 9781461368922
In the Accelerator Production of Tritium (APT) project, a one-kilometer-long linear accelerator (linac) is used as part of a plant that will provide tritium for national defense purposes. The accelerator consists of a low-energy (LE) normally conduct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::edadb62a2617fbc2d3721034261abee0
https://doi.org/10.1007/978-1-4615-4215-5_46
https://doi.org/10.1007/978-1-4615-4215-5_46
Publikováno v:
A Cryogenic Engineering Conference Publication ISBN: 9781461380221
The 2K system at CEBAF includes four stages of centrifugal cold compressors that operate between a suction pressure of 0.031 atm and a discharge of ~ 1 atm. Starting the cold compressors and pumping the system down to operating pressure is a complex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eddf630d6b89839a6eb38ffba8b9d85c
https://doi.org/10.1007/978-1-4613-0373-2_86
https://doi.org/10.1007/978-1-4613-0373-2_86
Autor:
B. S. Bevins, D. H. Kashy, Venkatarao Ganni, T. R. Reid, W. C. Chronis, M. M. Keesee, D. Arenius, J. D. Wilson
Publikováno v:
A Cryogenic Engineering Conference Publication ISBN: 9781461380221
The CEBAF Central Helium Liquefier (CHL) provides 2K refrigeration to the 338 superconducting niobium cavities in two 400 MeV linacs and one 45 MeV injector. The CHL consists of three first stage and three second stage compressors, a 4.5K cold box, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d947d951906243d07733d8210fed605
https://doi.org/10.1007/978-1-4613-0373-2_83
https://doi.org/10.1007/978-1-4613-0373-2_83
Publikováno v:
A Cryogenic Engineering Conference Publication ISBN: 9781461380221
The CEBAF End Station Helium Refrigerator (ESR) System 1 provides refrigeration at 80 K, 20 K and 4.5 K to three End Station experimental halls. The facility consists of a two stage helium screw compressor system, 4.5 K refrigerator, cryogen distribu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a2bd0b6aacbed3a857e5faebf6c2258
https://doi.org/10.1007/978-1-4613-0373-2_82
https://doi.org/10.1007/978-1-4613-0373-2_82
Publikováno v:
Advances in Cryogenic Engineering ISBN: 9781461279044
The heat load of a superconducting rf cavity is a strong function of the operating frequency and temperature. For CEBAF the optimized choice was 1500 MHz and 2.0 K. Four thousand eight hundred watts of refrigeration at 2.0 K (plus 12,000 W at 45 K) i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50926695110bc3a71148cc08260e079c
https://doi.org/10.1007/978-1-4613-0639-9_34
https://doi.org/10.1007/978-1-4613-0639-9_34