Analysis of a HTSC current lead under nonlinear heat transfer conditions
- Marquette Univ., Milwaukee, WI (United States). Dept. of Mechanical and Industrial Engineering
- Novi Sad Univ. (Yugoslavia). School of Engineering
- Los Alamos National Lab., NM (United States)
The main objective of this paper is to consider the influence of the temperature dependence of the convective heat transfer coefficient on the optimal thermal design of the high temperature superconducting a HTSCI part of a cryogenic current lead. In the previous study the analysis of a HTSC lead was performed with the assumption that the heat transfer coefficient between the coolant (boil-off liquid helium) and the lead is finite but constant along the lead. In a present effort the heat transfer coefficient is allowed to vary along die lead causing an additional nonlinearity in the model. Numerically obtained current lead temperature profiles and corresponding helium vapor temperature profiles were used to calculate entropy generation within the lead as a function of the relevant design parameters. It has been demonstrated that additional nonlinearities do not cause a significant change of optimal design parameters.
- Research Organization:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 62621
- Report Number(s):
- LA-UR-95-987; CONF-950890-1; ON: DE95009420
- Resource Relation:
- Conference: 19. IIR international congress of refrigeration: for a better quality of life, The Hague (Netherlands), 20-25 Aug 1995; Other Information: PBD: [1995]
- Country of Publication:
- United States
- Language:
- English
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