NDLI: Test of a Conduction-Cooled, Prototype, Superconducting Magnet for a Compact Cyclotron

Content Provider	IEEE Xplore Digital Library
Author	Michael, P.C. Antaya, T.A. Radovinsky, A. Smith, B.A. Pourrahimi, S.
Copyright Year	2002
Abstract	A 208-mm inner diameter, 62-mm-tall, wind-and-react Nb₃ Sn prototype magnet was tested to demonstrate its suitability for use in a compact superconducting cyclotron. The magnet and its 270 kg iron return yoke were cooled together by conduction using a 2-stage Gifford-McMahon cycle refrigerator. This paper presents thermal, electrical and electromagnetic data collected during the tests. Although the radiation shield for the assembly cooled to 47 K within one day, a total of nine days were needed to cool the magnet assembly to below 4 K, at an ultimate heat load of 0.2 W. The dominant heat load at each stage of the cold head was due to thermal conduction along the current leads. The coil was charged without quench to 211 A, generating a pole tip magnetic induction of 3 T. The test demonstrates the technical feasibility to design, manufacture and operate compact superconducting cyclotron magnets at currents in excess of 200 A. The results are being used to improve the design for future high-field, conduction-cooled superconducting cyclotrons.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	4100304
Ending Page	4100304
Page Count	1
File Size	358979
File Format	PDF
ISSN	10518223
Volume Number	23
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Superconducting magnets Temperature measurement Heating High temperature superconductors Copper Magnetic noise superconducting cyclotron Conduction-cooled $\hbox{Nb}_{3}\hbox{Sn}$ magnet cryocooler HTS current leads
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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