2015•Physics ProcediaOpen access

Cool Down Analysis of a Cryocooler Based Quadrupole Magnet Cryostat

Anup Choudhury, Soumen Kar, J. Chacko, M Kumar, S. Babu, Santosh Kumar Sahu, Rajesh Kumar, Joby Antony, T. S. Datta

Abstract

A superconducting quadrupole doublet magnet with cold superferric iron cover for the Hybrid Recoil Mass Analyzer (HYRA) beam line has been commissioned. The total cold mass of the helium vessel with iron yoke and pole is 2 ton. A set of two Sumitomo cryocoolers take care of various heat loads to the cryostat. The first successful cool down of the cryostat has been completed recently, magnets have been powered and magnetic field profiling has been done inside theroom temperature beam tube. This paper will highlight the cryostat details along with the cool down and operational test results obtained from the first cool down.

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Key concepts: Cryostat, Cryocooler, Magnet, Quadrupole magnet, Quadrupole, Materials science, Nuclear engineering, Physics