Normal zone propagation experiments on HTS composite conductors

F. Trillaud; H. Palanki; U. P. Trociewitz; S. H. Thompson; H. W. Weijers; J. Schwartz

doi:10.1016/S0011-2275(03)00044-4

Normal zone propagation experiments on HTS composite conductors

F. Trillaud, H. Palanki, U. P. Trociewitz, S. H. Thompson, H. W. Weijers, J. Schwartz

Research output: Contribution to journal › Article › peer-review

105 Scopus citations

Abstract

As high temperature superconductor magnet applications become a reality due to increases in conductor performance, it is important to understand the behavior of normal zones in conductors and magnets in order to design safe magnet systems. Here we study the effects of localized heat pulses in Ag-alloy sheathed Bi₂Sr₂Ca₂Cu₃O_x powder-in-tube conductors and Ni-alloy substrated YBa₂Cu₃O_x coated conductor tapes cooled by N₂ gas. A heater was used to initiate a normal zone. The experimental setup to measure the energy required such that the normal zone propagates and the normal zone propagation velocity in the longitudinal direction is described. Results for both conductor architectures are presented.

Original language	English (US)
Pages (from-to)	271-279
Number of pages	9
Journal	Cryogenics
Volume	43
Issue number	3-5
DOIs	https://doi.org/10.1016/S0011-2275(03)00044-4
State	Published - Mar 2003

All Science Journal Classification (ASJC) codes

General Materials Science
General Physics and Astronomy

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10.1016/S0011-2275(03)00044-4

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title = "Normal zone propagation experiments on HTS composite conductors",

abstract = "As high temperature superconductor magnet applications become a reality due to increases in conductor performance, it is important to understand the behavior of normal zones in conductors and magnets in order to design safe magnet systems. Here we study the effects of localized heat pulses in Ag-alloy sheathed Bi2Sr2Ca2Cu3Ox powder-in-tube conductors and Ni-alloy substrated YBa2Cu3Ox coated conductor tapes cooled by N2 gas. A heater was used to initiate a normal zone. The experimental setup to measure the energy required such that the normal zone propagates and the normal zone propagation velocity in the longitudinal direction is described. Results for both conductor architectures are presented.",

author = "F. Trillaud and H. Palanki and Trociewitz, {U. P.} and Thompson, {S. H.} and Weijers, {H. W.} and J. Schwartz",

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AU - Trillaud, F.

AU - Palanki, H.

AU - Trociewitz, U. P.

AU - Thompson, S. H.

AU - Weijers, H. W.

AU - Schwartz, J.

N1 - Funding Information: This work was supported by the US Department of Energy through Lockheed Martin and the Oak Ridge National Laboratory.

PY - 2003/3

Y1 - 2003/3

N2 - As high temperature superconductor magnet applications become a reality due to increases in conductor performance, it is important to understand the behavior of normal zones in conductors and magnets in order to design safe magnet systems. Here we study the effects of localized heat pulses in Ag-alloy sheathed Bi2Sr2Ca2Cu3Ox powder-in-tube conductors and Ni-alloy substrated YBa2Cu3Ox coated conductor tapes cooled by N2 gas. A heater was used to initiate a normal zone. The experimental setup to measure the energy required such that the normal zone propagates and the normal zone propagation velocity in the longitudinal direction is described. Results for both conductor architectures are presented.

AB - As high temperature superconductor magnet applications become a reality due to increases in conductor performance, it is important to understand the behavior of normal zones in conductors and magnets in order to design safe magnet systems. Here we study the effects of localized heat pulses in Ag-alloy sheathed Bi2Sr2Ca2Cu3Ox powder-in-tube conductors and Ni-alloy substrated YBa2Cu3Ox coated conductor tapes cooled by N2 gas. A heater was used to initiate a normal zone. The experimental setup to measure the energy required such that the normal zone propagates and the normal zone propagation velocity in the longitudinal direction is described. Results for both conductor architectures are presented.

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Normal zone propagation experiments on HTS composite conductors

Abstract

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