Program CICC, flow and heat transfer in cable-in-conduit conductors: Equations and verification
Computer program CICC has been written for use in the thermo-fluids design of the cryogenic superconducting magnets to be used in the International Thermonuclear Experimental Reactor (ITER). These magnets utilize forced-flow, helium-cooled, cable-in-conduit conductors (CICC). Due to conductor movement caused by the high magnetic forces, these superconductors can develop normal zones that generate electrical resistance heat. Program CICC models the transient thermodynamic and fluid-dynamic system response after the appearance of a normal zone in the superconductor. The computational algorithm couples a one-dimensional compressible pipe flow model (including flow choking) with two-dimensional axisymmetric heat-conduction models of the superconductor cable, the conduit, and the epoxy conduit insulation. NBS/sup asterisk / helium properties are used. The model is verified by comparison with measured temperature and pressure profiles from thermal expulsion experiments. 37 refs., 12 figs.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 6253151
- Report Number(s):
- UCID-21733; ON: DE89013379
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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