Conveners
C2Po2A - Test Facilities
- Roger Jon Rabehl (Fermi National Accelerator Lab. (US))
- Michael Green (LBNL)
The Institute of Plasma Physics, Chinese Academy of Sciences (CASIPP) has completed the manufacturing and testing of the helium cryogenic subcooled testing platform (CSTP). The CSTP system mainly as a distribution system and testing platform for some key cyrogenic equipment, such as the cold compressor (CC), helium pump, venturi flow meter, etc. This paper describes the CSTP system and...
In order to increase the magnetic field and temperature margin of superconducting magnets, a test facility of a 700W@3K sub-cooled helium was proposed to decrease the operation temperature from the 4.5K saturated helium to the 3K sub-cooled helium. The process flow of 3K sub-cooled helium test facility has been designed with two cold compressors arranged in series to provide 700W@3K sub-cooled...
The subcooled helium cryogenic testing platform with cold compressors has been operated successfully in the end of 2018 at the Institute of Plasma Physics, Chinese Academy of Sciences (CASIPP). It is the first subcooled helium cryogenic system based on the cryogenic decompression technique in China, which has been designed and constructed over two years by our own team. The subcooled helium...
The High-Luminosity LHC project – HL-LHC aiming at peak luminosity above 5.0*10^34 cm-2.s-1 consists in replacing the matching sections on both sides of the ATLAS and CMS experiments. To complement new focusing quadrupoles, this upgrade considers using the so-called superconducting crab cavities, never operated so far with protons and therefore requiring qualification with beam. To this aim, a...
The demand for liquid helium (LHe) for users at CERN without dedicated infrastructure is set to increase due to future projects and experiments in the Antiproton Decelerator. LHe is supplied to the users by means of 500-l dewars filled in by the central liquefier (B165) that comprises a cryogenic plant of 100 W @ 4.5 K. In addition, the Superconducting Cable & Wire Test Facility (B163) located...
A new compact test facility for testing compact superconducting magnets down to 4.2 K using cryogen fluids has been developed at CEA Paris-Saclay. This facility has been constructed to test the solenoid magnets to be produced for the next Soreq particle accelerator (SARAF) project. The magnets are cooled with liquid helium at 4.2 K and the liquid bath can be pressurized up to 2 bars to...
Fermi National Accelerator Laboratory (Fermilab) has multiple cryogenic test facilities, undertaking testing of superconducting magnets, Superconducting Radio Frequency (SRF) cavities, SRF cryomodules and other helium cryogenic components. The test areas within Fermilab include: Meson Cryogenic Test facility (Meson), Industrial Building 1 (IB-1), Heavy Assembly Building/Illinois Accelerator...
Abstract. Cryogenic valve is widely used in cryogenic systems such as Aerospace propulsion systems and various cryostats. At low temperature, the valve is prone to strength decline, material brittleness and other problems, which easily lead to gas leakage and thus bring security risks. Cryogenic valves must be tested for leakage at low temperature in addition to normal temperature. In this...
