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주민석,배준한,고태국,강연일 연세대학교 산업기술연구소 1994 논문집 Vol.26 No.1
The transient one-dimensional heat conduction equation in a high Tc bulk superconductor with an localized hot zone has been analyzed numerically. After the heater energy is introduced in a few miliseconds, the development of the normal zone and full quench time are calculated with respect to distance as a fuction of three parameters including : transport current, heater current, heating time. The analysis of this model is performed using finite difference method under modified adiabatic condition. The results of computer simulation are also presented in this paper. Full quench occurs when transport currents exceed 1.15[A] in given heater current and heating time. A temperature of superconductor rises abruptly in heating region when heater energy is increased. If heater energy is same, heating time is dominant factor for quench. Given heater energy, ohmic heat dissipation is dominant part for quench. But, heating energy is dominant part for quench than conduction. When heater energy is large, quench is not affected by transport currents.