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Two-phase liquid helium flow testing to simulate the operation of a cryocondensation pump in the DIII-D tokamak.

Author(s) : LAUGHON G. J., BAXI C. B., CAMPBELL G. L., MAHDAVI M. A., MAKARIOU C. C., MENON M. M., SMITH J. P., SCHAFFER M. J., SCAUBEL K. M.

Summary

A liquid helium-cooled cryocondensation pump has been installed in the DIII-D tokamak at General Atomics. Two-phase helium flows through the pump at 5 to 10 g/s utilizing the heat transfer and constant temperature characteristics of boiling liquid helium. The pump is designed for a pumping speed of 32,000 l/s. Several pump geometries (simple tube, coaxial flow plug, and coaxial slotted insert) were tested.

Details

  • Original title: Two-phase liquid helium flow testing to simulate the operation of a cryocondensation pump in the DIII-D tokamak.
  • Record ID : 1995-2719
  • Languages: English
  • Source: Proceedings of the 15th international cryogenic engineering conference. ICEC 15.
  • Publication date: 1994/06/07

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