Search Results - "Apperley, M."

How much energy can optimal control of domestic water heating save? by Booysen, M.J., Engelbrecht, J.A.A., Ritchie, M.J., Apperley, M., Cloete, A.H.

“…Scheduled control of domestic electric water heaters, designed to cut energy use while minimising the impact on users' comfort and convenience, has been fairly…”
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Three shades of green: Perspectives on at-work charging of electric vehicles using photovoltaic carports by Buresh, K.M., Apperley, M.D., Booysen, M.J.

“…Electric vehicles (EVs) are widely heralded as the silver bullet for greening personal transport. However their eventual impact in South Africa, a developing…”
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The co-extrusion of metal-sheathed high-temperature superconductors by Apperley, M.H., Sorrell, C.C., Crosky, A.

“…The co-extrusion of copper cans containing Ag-clad high-temperature superconductor (HTS) cores using a direct extrusion technique was investigated. Composite…”
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Comfort, peak load and energy: Centralised control of water heaters for demand-driven prioritisation by Roux, M., Apperley, M., Booysen, M.J.

“…Recent advances in smart grid technology enable new approaches to address the problem of load control for domestic water heating. Since water heaters store…”
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Properties of Ag–Mg alloy sheathed Bi-2223 tapes by Apperley, M.H., Zeng, R., Darmann, F., McCaughey, G.

“…The mechanical properties of 37 filament, pure Ag and Ag alloy (0.2 and 0.5 wt% Mg) sheathed Bi-2223 high temperature superconductor tapes were investigated…”
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DC and AC self-magnetic field profiles of (6+1) filamentary BSCCO tapes with different filament arrangements measured by Hall probe magnetometry by Kvitkovic, J., Majoros, M., Glowacki, B.A., Apperley, M.

“…The magnetic field distribution in the vicinity of (BiPb) 2Sr 2Ca 2Cu 3O 10+ x tapes carrying a transport current was measured with AC/DC Hall probe scanning…”
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Transport ac losses in (Bi,Pb)SrCaCuO-2223/Ag multifilamentary tapes with different filament arrangements by Majoros, M, Glowacki, B.A, Campbell, A.M, Apperley, M, Darmann, F

“…Transport ac losses in multifilamentary (Bi,Pb)SrCaCuO-2223/Ag tapes with different filament arrangements have been measured. The samples were untwisted and…”
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Effect of strain on ac power loss of Bi-2223/Ag superconducting tapes by Savvides, N., Herrmann, J., Reilly, D., Muller, K.-H., Darmann, F., McCaughey, G., Zhao, R., Apperley, M.

“…The ac power losses of monofilament and multifilament Bi-2223/Ag composite tapes were investigated to determine the effect of mechanical strain on the loss and…”
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Managing complexity in a distributed digital library by Witten, I.H., McNab, R.J., Jones, S., Apperley, M., Bainbridge, D., Cunningham, S.J.

“…As the capabilities of distributed digital libraries increase, managing organizational and software complexity becomes a key issue. How can collections and…”
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Effect of various mechanical deformation techniques on critical current densities of Ag/Bi-2223 tapes by Chen, W.M., Guo, Y.C., McCaughey, G., Apperley, M., Liu, H.K., Dou, S.X.

“…We have systematically studied the reduction rate dependence of critical current densities J c of Ag/Bi-2223 tapes using three methods, including normal…”
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Characterization of thermal conductivity and mechanical properties of Ag-alloy sheathed Bi(Pb)-Sr-Ca-Cu-O superconductor tape by Jang, S.H., Jun Hyung Lim, Jung Ho Kim, Bong Ki Ji, Jinho Joo, Nah, W., Volf, J.S., Hua Kun Liu, Apperley, M.

“…We evaluated the effect of alloying additions to Ag on thermal conductivity and mechanical properties of Ag-alloy sheathed Bi-2223 (BSCCO) superconductor tape…”
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A comparison of Ag and Ag-alloy sheathed Bi-2223 tapes by Liu, H.K., Zhang, Z.M., Rong Zeng, Horvat, J., Apperley, M.

“…Ag and Ag-alloy sheathed Bi-2223 tapes were fabricated by a powder-in-tube technique with different configurations of the precursor and restack sheath…”
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Current distribution and critical state in superconducting silver-sheathed (Bi,Pb)-2223 tapes by Herrmann, J., Savvides, N., Müller, K.-H., Zhao, R., McCaughey, G., Darmann, F., Apperley, M.

“…A novel method for the unambiguous determination of the self-field critical current of superconducting silver-sheated (Bi,Pb) 2Sr 2Ca 2Cu 3O x…”
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AC losses of filamentary HTS twisted filament round wires and flat tapes by Darmann, F., Zhao, R., McCaughey, G., Apperley, M., Beales, T.P., Friend, C.

“…Samples of multifilamentary Bi-2223/Ag/alloy twisted filament tapes and Z stack round wires, consisting of untwisted and twisted stacks (or z-arrays) of flat…”
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Superconductivity in a Ag-doped Bi-Pb-Sr-Ca-Cu-O system by DOU, S. X, SONG, K.-H, LIU, H. K, SORRELL, C. C, APPERLEY, M. H, SAVVIDES, N

“…For the Bi-Pb-Sr-Ca-Cu-O (BPSCCO) system, a consistent set of data for Tc, x-ray diffraction, and scanning electron microscopy shows that Ag additions strongly…”
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Development of an HTS inductor for an electronic high voltage generator by Jin, J.X., Dou, S.X., Darmann, F., Apperley, M., Beales, T.

“…A power electronic circuit has been built and identified to be able to generate high voltage which can be increased rapidly to a value many times greater than…”
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Comparative studies on "sandwich" rolling and flat rolling in processing Ag/Bi-2223 tapes by Chen, Wu.M., Guo, Y.C., Fu, X.G., Liu, H.K., Dou, S.X., Apperley, M.

“…The normal rolling method is commonly used for intermediate mechanical deformation in the powder-in-tube process to make Ag-clad Bi-based superconducting…”
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Magnetic saturable reactor type HTS fault current limiter for electrical application by Jin, J.X., Dou, S.X., Cook, C., Grantham, C., Apperley, M., Beales, T.

“…An electrical fault current limiter (FCL) developed based on the principle of a magnetic saturable reactor requires a high current ampere-turn coil as its dc…”
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Magneto-optical images of Ag/Bi-2223 tapes processed by flat rolling, "sandwich" rolling and pressing by Liu, H.K., Polyanskii, A., Chen, W.M., Guo, Y.C., Dou, S.X., Apperley, M.

“…Magneto-optical imaging (MOI) has been used for study Ag/Bi-2223 tapes processed using flat rolling, "sandwich" rolling, and pressing methods for the…”
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Processing and characterisation of long-length silver/bismuth-2223 tape for electric power applications by Apperley, M.H., Darmann, F., McCaughey, G., Zhao, R., Beales, T.P.

“…The potential of high temperature superconductivity (HTS) to raise efficiencies in electric power utilisation is dependent on the availability of HTS materials…”
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