منابع مشابه
Superconductivity, Cryogenics, and Vacuum Technology for Linear Accelerators*
The conventional, 10 -8 ’ Torr-range, ion-pumped vacuum system of the SLAC 3.2~km linear accelerator is briefly described, along with typical performance data. Since polarized electron sources are of increasing importance to high-energy research, the necessary physical environments for such sources is given, and differential pumping and/or isolation systems capable of maintaining those conditio...
متن کاملAn introduction to cryogenics
These notes aim to give a somewhat basic introduction to the hows (and occasionally whys) of cryogenics. Cryogenics is not a very well defined term; here I have taken it to mean systems that operate at temperatures of 77 K and below, with the emphasis on systems operating below 4.2 K and above 1 K. The first two temperatures are, of course, the boiling points of nitrogen and helium respectively...
متن کاملRefrigeration, Cryogenics, Optics, and Miscellaneous
Overall Cycles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Components of Compression Systems . . . . . . . . . . . . . . . . Absorption Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thermoelectric Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . Copyright...
متن کاملGeneration of hyperpolarised materials for magnetic resonance using high-field cryogenics
D. G. Gadian, K. S. Panesar, A. J. Perez Linde, W. Senczenko, A. J. Horsewill, W. Kockenberger, and J. R. Owers-Bradley Imaging & Biophysics Unit, UCL Institute of Child Health, London, United Kingdom, School of Physics & Astronomy, University of Nottingham, Nottingham, United Kingdom, Sir Peter Mansfield MR Centre, School of Physics & Astronomy, University of Nottingham, Nottingham, United Kin...
متن کاملEvaluation of cryogenics-based energy storage concepts
The goal of this paper is to evaluate cryogenics-based energy storage concepts: A thermo-electric energy storage unit, which uses surplus electricity while liquefying a gas, subsequently stored at cryogenic temperature. Here we review and evaluate concepts for power generation while regasifying the liquefied gas (cryogen) using an exergetic analysis. Two cold exergy recovery cycle configuration...
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ژورنال
عنوان ژورنال: TEION KOGAKU (Journal of Cryogenics and Superconductivity Society of Japan)
سال: 1986
ISSN: 0389-2441,1880-0408
DOI: 10.2221/jcsj.21.1