Performance of the IFSMTF helium refrigerator in partial-array tests

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Performance of the International Fusion Superconducting Magnet Test Facility (IFSMTF) helium refrigerator in Partial Array Tests with three coils is described. The refrigerator was able to cool the coils and facility structure to 4.2 K in 20 days, with maximum temperature differentials of less than 50 K. Boiloff measurements were made for several components; only the lead dewars showed losses substantially higher than expected. Forced-flow cooling tests were also conducted. The coils and facility were warmed back to room temperature in 30 days. Several repairs and improvements were carried out. Results of another recent test on the refrigerator alone are ... continued below

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Pages: 10

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Schwenterly, S.W.; Fietz, W.A.; Stamps, R.E. & Ellis, J.F. January 1, 1985.

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Description

Performance of the International Fusion Superconducting Magnet Test Facility (IFSMTF) helium refrigerator in Partial Array Tests with three coils is described. The refrigerator was able to cool the coils and facility structure to 4.2 K in 20 days, with maximum temperature differentials of less than 50 K. Boiloff measurements were made for several components; only the lead dewars showed losses substantially higher than expected. Forced-flow cooling tests were also conducted. The coils and facility were warmed back to room temperature in 30 days. Several repairs and improvements were carried out. Results of another recent test on the refrigerator alone are reported.

Physical Description

Pages: 10

Notes

NTIS, PC A02/MF A01; 1.

Source

  • Cryogenic engineering conference and international cryogenic materials conference, Boston, MA, USA, 12 Aug 1985

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  • Other: DE85017312
  • Report No.: CONF-850814-3
  • Grant Number: AC05-84OR21400
  • Office of Scientific & Technical Information Report Number: 5181468
  • Archival Resource Key: ark:/67531/metadc1054824

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • January 1, 1985

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

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  • Feb. 1, 2018, 3:19 p.m.

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Schwenterly, S.W.; Fietz, W.A.; Stamps, R.E. & Ellis, J.F. Performance of the IFSMTF helium refrigerator in partial-array tests, article, January 1, 1985; Tennessee. (digital.library.unt.edu/ark:/67531/metadc1054824/: accessed October 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.