Zobrazeno 1 - 10
of 30
pro vyhledávání: '"R. Grabovickic"'
Autor:
L. Li, K. Weeber, A.R. Ellis, P.C. Irwin, D.R. James, R. Grabovickic, A.D. Gadre, Isidor Sauers
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 15:3668-3671
Partial discharge (PD) in trapped air-filled gaps between two adjacent insulated high temperature superconducting (HTS) tapes made of Bi/sub 2/Sr/sub 2/Ca/sub 2/Cu/sub 3/O/sub x/ (BSCCO) was investigated experimentally. PD measurements were performed
Autor:
C.A. Foster, R. Grabovickic, Jonathan Demko, D. Lindsay, M.J. Cole, J.W. Lue, M. Roden, P.W. Fisher, J.C. Tolbert, Michael J Gouge
Publikováno v:
Physica C: Superconductivity. :1180-1185
Encouraged by the positive test results of a 1.5-m long prototype tri-axial cable, the Southwire/ORNL team has conceived, designed and built a 5-m tri-axial cable with three-phase terminations. The three concentric superconducting phases are made of
Publikováno v:
IEEE Transactions on Applied Superconductivity. 13:1726-1730
Thermal stability and quench propagation in a composite tape made of YBa/sub 2/Cu/sub 3/O/sub x/ (YBCO) superconductor were studied experimentally. Quench propagation in each test was initiated by applying a sequence of a short overcurrent pulse foll
Publikováno v:
IEEE Transactions on Applied Superconductivity. 13:1768-1771
A pair of silver coated YBCO tapes with varying degrees of electrical contact between the silver and the YBCO nickel substrate were studied to examine the impact of nickel on normal zone formation and stability. The YBCO tapes were fabricated using t
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 13:2964-2967
The use of high-temperature superconducting (HTS) materials for electric power applications is being realized in prototype systems. A test rig was designed and fabricated that uses a 6-T cryocooled magnet with an 20.3 cm warm bore. Inserted in the bo
Autor:
R. Grabovickic, Jonathan Demko, C.A. Foster, J.W. Lue, M. Roden, J.P. Stovall, D. Lindsay, P.W. Fisher, M.J. Cole, J.C. Tolbert, Michael J Gouge
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 13:1938-1941
Encouraged by the positive test results of a /spl sim/1.5-m long prototype tri-axial cable, the Southwire Company/Oak Ridge National Laboratory (ORNL) team has conceived, designed, and built a 5-m tri-axial cable with three-phase terminations. The th
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 9:2456-2459
Microwave power-handling capabilities of YBCO thin superconducting films, up to 150 W of the input power, have been investigated using a 14 GHz shielded dielectric cavity. The YBCO films were deposited by the thermal reactive co-evaporation and the d
Autor:
R. Grabovickic
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 9:4607-4612
This paper presents new analytical formulas for the accurate calculation of geometrical factors of Hakki-Coleman shielded dielectric resonators operating in the TE/sub 011/ mode. The new approach is compared numerically with existing semianalytical m
Autor:
R. Grabovickic, Janina Mazierska
Publikováno v:
IEEE Transactions on Appiled Superconductivity. 8:178-187
In the current quest for HTS films with negligible power effects at high RF power levels for wireless communications, accurate calculations of a maximum RF magnetic field H/sub max/ and of a maximum RF current density J/sub max/ flowing on the surfac
Publikováno v:
Applied Physics Letters. 75:1781-1783
We report on measurements of surface resistance (Rs) of YBa2Cu3Ox thin films irradiated with 0.9 GeV Pb ions. Measurements of Rs versus microwave-frequency (rf) magnetic field and temperature were carried out using a dielectric resonator technique. A