Mark Ainslie

Publications

• Fully-staggered-array bulk Re-Ba-Cu-O short-period undulator: large-scale 3D electromagnetic modelling and design optimization using A-V and H-formulation methods
• Numerical Modelling of Dynamic Resistance in a Parallel-Connected Stack of HTS Coated-Conductor Tapes
• Modelling and mitigating flux jumps in bulk high-temperature superconductors during quasi-static, high-field magnetisation
• Modeling of Stator Versus Magnet Width Effects in High-$T_c$ Superconducting Dynamos
• Experimental realization of a hybrid trapped field magnet lens using a GdBaCuO magnetic lens and MgB2 bulk cylinder
• Effect of Stack Geometry on the Dynamic Resistance Threshold Fields for Vertical Stacks of Coated Conductor Tapes
• Portable, desktop high-field magnet systems using bulk, single-grain RE–Ba–Cu–O high-temperature superconductors
• Simulation study for magnetic levitation in pure water exploiting the ultra-high magnetic field gradient product of a hybrid trapped field magnet lens (HTFML)
• Finite-element modelling of no-insulation HTS coils using rotated anisotropic resistivity
• Numerical simulation of flux avalanches in type-II superconducting thin films under transient AC magnetic fields
• Mechanism of the High- Tc Superconducting Dynamo: Models and Experiment
• Thickness Dependence of Trapped Magnetic Fields in Machined Bulk MgB2 Superconductors
• Pulsed-field magnetisation of Y-Ba-Cu-O bulk superconductors fabricated by the infiltration growth technique
• The effect of facet lines on critical current density and trapped field in bulk RE–Ba–Cu–O single grains
• Electromagnetic and Levitation Characteristics of a High-Temperature Superconducting Bulk Above an Electromagnet Guideway
• Reliable 4.8 T trapped magnetic fields in Gd–Ba–Cu–O bulk superconductors using pulsed field magnetization
• An Explanation for Observed Flux Creep in Opposite Direction to Lorentz Force in Partially Magnetized Bulk Superconductors
• Corrigendum: A new benchmark problem for electromagnetic modelling of superconductors: the high-T c superconducting dynamo (2020 Supercond. Sci. Technol. 33 105009)
• Design Optimization of a Hybrid Trapped Field Magnet Lens (HTFML)
• Influence of Inner Diameter and Height of Ring-Shaped REBaCuO Bulks on Trapped Field and Mechanical Stress During Field-Cooled Magnetization
• Dynamic Characteristics of a YBCO Bulk Above an Electromagnet Guideway
• Possibility of mechanical fracture of superconducting ring bulks due to thermal stress induced by local heat generation during pulsed-field magnetization
• Flux Dynamics and Thermal Behavior of a GdBaCuO Bulk Magnetized by Single- and Double-Pulse Techniques Using a Split-Type Coil
• Validation of a desktop-type magnet providing a quasi-microgravity space in a room-temperature bore of a high-gradient trapped field magnet (HG-TFM)
• Numerical Simulation of High-Temperature Superconducting Stacked-Tape Magnetic Lens via H-$\phi $ Model
• Mitigating ab-Plane Critical Current Density Inhomogeneity in Bulk HTS Rings for the Generation of NMR-Grade Magnetic Fields
• Trapped Fields >1 T in a Bulk Superconducting Ring by Pulsed Field Magnetization
• Inverse analysis of critical current density in a bulk high-temperature superconducting undulator
• Pulsed Field Magnetization of GdBaCuO Superconducting Bulks With High Magnetization Efficiency Using a Split-Type Coil With Soft Iron Yoke
• Experimental realization of an all-(RE)BaCuO hybrid trapped field magnet lens generating a 9.8 T concentrated magnetic field from a 7 T external field
• Dynamics of magnetic flux propagation in bulk, single grain superconducting rings during pulsed field magnetisation
• Flux penetration of an HTS coated-conductor tape by an approaching permanent magnet
• Simulation of AC Loss in the Armature Windings of a 100 kW All-HTS Motor With Various (RE)BCO Conductor Considerations
• Modelling higher trapped fields by pulsed field magnetisation of composite bulk MgB2 superconducting rings
• Composite stacks for reliable > 17 T trapped fields in bulk superconductor magnets
• Flux vortex dynamics in type-II superconductors
• The transient voltage response of ReBCO coated conductors exhibiting dynamic resistance
• Guiding future high-field magnet design by better predicting and mitigating screening current-induced stress and strain
• A conceptual study of a high gradient trapped field magnet (HG-TFM) toward providing a quasi-zero gravity space on Earth
• Waveform Control Pulsed Field Magnetization of RE-Ba-Cu-O Bulk Superconducting Rings
• A new benchmark problem for electromagnetic modelling of superconductors: the high-T c superconducting dynamo
• Numerical Simulation of AC Loss in the Armature Windings of Two 50 Kw-Class All-HTS Motors With Different Pole Shapes
• Electromagnetic strain measurements and two-directional mechanical stress estimation for a REBaCuO ring bulk reinforced by a metal ring during field-cooled magnetization
• A GdBCO bulk staggered array undulator
• Numerical simulation of flux jump behavior in REBaCuO ring bulks with an inhomogeneous Jc profile during pulsed-field magnetization
• Modelling the Frequency Dependence of the Open-Circuit Voltage of a High-T c Superconducting Dynamo
• Below 1 µV cm−1: determining the geometrically-saturated critical transport current of a superconducting tape
• Improved pulsed field magnetisation in MgB2 trapped-field magnets
• Modeling the charging process of a coil by an HTS dynamo-type flux pump
• Modelling parallel-connected, no-insulation high-$T_c$ superconducting magnets
• Spatial Distribution of Flexural Strength in Y–Ba–Cu–O Bulk Superconductors
• Numerical simulation and analysis of single grain YBCO processed from graded precursor powders
• Recent advances in superconducting rotating machines: an introduction to the ‘Focus on Superconducting Rotating Machines’
• Pulsed Field Magnetization of Bridge-Seeded, Bulk YBCO using Solenoid and Split Coils
• Trapped Field Enhancement of a Thin, High- $J_{\hbox{c}}$ MgB $_{2}$ Bulk without Flux Jumps using Pulsed Field Magnetization with a Split-type Coil with a Soft Iron Yoke
• Exploiting flux jumps for pulsed field magnetisation
• Demagnetization Study of Pulse-Field Magnetized Bulk Superconductors
• Demagnetization of Cubic Gd-Ba-Cu-O Bulk Superconductor by Crossed-Fields: Measurements and Three-Dimensional Modeling
• Bulk superconductors: a roadmap to applications
• A trapped field of 14.3 T in Y–Ba–Cu–O bulk superconductors fabricated by buffer-assisted seeded infiltration and growth
• Numerical modelling of dynamic resistance in high-temperature superconducting coated-conductor wires
• Toward Optimization of Multi-Pulse, Pulsed Field Magnetization of Bulk High-Temperature Superconductors
• A new concept of a hybrid trapped field magnet lens
• Lorentz force velocimetry using a bulk HTS magnet system: proof-of-concept
• Reducing AC losses in high-temperature superconducting coated-conductor wires towards more efficient superconducting electric power applications
• Influence of Jc(B, T) Characteristics on the Pulsed Field Magnetization of REBaCuO Disk Bulks
• Trapped Field Properties of GdBaCuO Bulk Superconductors of Various Diameters Magnetized by Pulsed Fields Using an Identical Split Coil
• Numerical modelling of mechanical stresses in bulk superconductor magnets with and without mechanical reinforcement
• Penetration depth of shielding currents due to crossed magnetic fields in bulk (RE)-Ba-Cu-O superconductors
• Origin of the DC output voltage from a high-Tc superconducting dynamo
• DC characterization and 3D modelling of a triangular, epoxy-impregnated high temperature superconducting coil
• Modelling of bulk superconductor magnetization
• Influence of time-varying external magnetic fields on trapped fields in bulk superconductors
• Simulating the in-field AC and DC performance of high-temperature superconducting coils
• Numerical analysis of non-uniformities and anisotropy in high-temperature superconducting coils
• Numerical analysis of AC loss reduction in HTS superconducting coils using magnetic materials to divert flux
• Design and simulation of SMES system using YBCO tapes for direct drive wave energy converters
• Numerical modelling and comparison of MgB2 bulks fabricated by HIP and infiltration growth
• Computation of the field in an axial gap, trapped-flux type superconducting electric machine
• Modelling and comparison of trapped fields in (RE)BCO bulk superconductors for activation using pulsed field magnetization
• Design and market considerations for axial flux superconducting electric machine design
• A trapped field of 17.6 T in melt-processed, bulk Gd-Ba-Cu-O reinforced with shrink-fit steel
• Influence of soft ferromagnetic sections on the magnetic flux density profile of a large grain, bulk Y-Ba-Cu-O superconductor
• Modeling and Comparison of In-Field Critical Current Density Anisotropy in High-Temperature Superconducting (HTS) Coated Conductors
• Pulsed Field Magnetization of Single-Grain Bulk YBCO Processed From Graded Precursor Powders
• Mitigation of Demagnetization of Bulk Superconductors by Time-Varying External Magnetic Fields
• Pulsed field magnetization of 0°–0° and 45°–45° bridge-seeded Y–Ba–Cu–O bulk superconductors
• Flux jumps in high- J c MgB 2 bulks during pulsed field magnetization
• Trapped field of 1.1 T without flux jumps in an MgB2bulk during pulsed field magnetization using a split coil with a soft iron yoke
• Enhanced trapped field performance of bulk high-temperature superconductors using split coil, pulsed field magnetization with an iron yoke
• Numerical Simulation of the Performance of High-Temperature Superconducting Coils
• Flux jump-assisted pulsed field magnetisation of high-J c bulk high-temperature superconductors
• Pulsed Field Magnetizing Characteristics of Rectangular-Shaped Gd-Ba-Cu-O Bulk using Split- and Solenoid-type Coils
• Full magnetization of bulk (RE)Ba2Cu3O7-δ magnets with various rare-earth elements using pulsed fields at 77 K
• Transport AC Loss Measurements of a Triangular, Epoxy-Impregnated High Temperature Superconducting (HTS) Coil
• Corrigendum: Modelling of bulk superconductor magnetisation (2015 Supercond. Sci. Technol. 28 053002)
• Numerical Simulation and Analysis of a Saturated-Core Type Superconducting Fault Current Limiter
• Simulation studies of mechanical stresses in REBaCuO superconducting ring bulks with infinite and finite height reinforced by metal ring during field-cooled magnetization
• The 5th international workshop on numerical modelling of high temperature superconductors
• Numerical modelling of iron-pnictide bulk superconductor magnetization
• Calculating transport AC losses in stacks of high temperature superconductor coated conductors with magnetic substrates using FEM
• Theoretical and experimental studies on Jc and AC losses of 2G HTS coils
• The Ic behavior of 2G YBCO tapes under DC/AC magnetic fields at various temperatures
• Numerical analysis of the current and voltage sharing issues for resistive fault current limiter using YBCO coated conductors
• Modeling and electrical measurement of transport AC loss in HTS-based superconducting coils for electric machines
• Comparison of first- and second-order 2D finite element models for calculating AC loss in high temperature superconductor coated conductors
• An improved FEM model for computing transport AC loss in coils made of RABiTS YBCO coated conductors for electric machines
• AC losses of superconducting racetrack coil in various magnetic conditions
• Numerical analysis and finite element modelling of an HTS synchronous motor
• Design and test of a superconducting magnetic energy storage (SMES) coil
• Comparison of AC losses, magnetic field/current distributions and critical currents of superconducting circular pancake coils and infinitely long stacks using coated conductors
• Tests for conceptual design of 6.6 kV class superconducting fault current limiter with YBCO thin film elements
• Superconducting fault current limiter design using parallel-connected YBCO thin films
• Experimental investigation of quench phenomena in YBCO thin films for SFCL applications
• Experimental study on an SFCL using series-connected YBCO thin films
• High temperature superconducting rotating electrical machines: An overview
• Transport current measurement of $I_{c}(T, B,\theta)$ and $n(T, B,\theta)$ for a bulk REBCO superconductor
• Transport Current Measurement of $I_{c}(T, B,\theta)$ and $n(T, B,\theta)$ for a Bulk REBCO Superconductor
• Numerical modelling of high‐temperature superconducting dynamos: A review
• A Comparative Study of Experimental and Simulated Trapped Magnetic Field of MgB2 Bulks Prepared by the Magnesium Vapor Transport Process
• Record field in a 10 mm-period bulk high-temperature superconducting undulator
• Pulsed field magnetization of a rectangular Y-Ba-Cu-O bulk, single grain superconductor assembly
• Pulsed field magnetization of a rectangular Y–Ba–Cu–O bulk, single grain superconductor assembly
• Optimisation of stacked, bulk high temperature superconductors for trapped-field magnet applications
• Preface
• Improved trapped field performance of single grain Y-Ba-Cu-O bulk superconductors containing artificial holes
• Numerical modelling of bulk superconductor magnetisation
• A portable magnetic field of >3 T generated by the flux jump assisted, pulsed field magnetization of bulk superconductors
• Trapped field properties of a Y–Ba–Cu–O bulk by pulsed field magnetization using a split coil inserted by iron yokes with various geometries and electromagnetic properties
• Numerical modelling and comparison of MgB2 bulks fabricated by HIP and infiltration growth
• Trapped Field Enhancement of a Thin, High- $J_{\hbox{c}}$ MgB $_{2}$ Bulk without Flux Jumps using Pulsed Field Magnetization with a Split-type Coil with a Soft Iron Yoke
• Optimized performance of an all-REBaCuO hybrid trapped field magnet lens (HTFML) with liquid nitrogen cooling
• Fast and efficient critical state modelling of field-cooled bulk high-temperature superconductors using a backward computation method
• Recent progress on the development of high temperature superconducting bulk materials
• Buffer-assisted top-seeded infiltration and growth for fabricating dense, single-grain (RE)-Ba-Cu-O bulk superconductors
• Influence of Jc(B, T) Characteristics on the Pulsed Field Magnetization of REBaCuO Disk Bulks
• Impact of Magnet Number on the DC Output of a Dynamo-Type HTS Flux Pump
• GdBCO bulk superconducting helical undulator for x-ray free-electron lasers
• Characterization of flux pump-charging of high-temperature superconducting coils using coupled numerical models
• Charging process simulation of a coil by a self-regulating high-T superconducting flux pump
• Influence of Jc(B, T) Characteristics on the Pulsed Field Magnetization of REBaCuO Disk Bulks
• Numerical modelling and comparison of MgB2 bulks fabricated by HIP and infiltration growth
• Trapped Field Enhancement of a Thin, High- $J_{\hbox{c}}$ MgB $_{2}$ Bulk without Flux Jumps using Pulsed Field Magnetization with a Split-type Coil with a Soft Iron Yoke
• An LTspice Electrical Circuit Model of the HTS Dynamo
• A proof-of-concept bitter-like HTS electromagnet fabricated from a silver-infiltrated (RE)BCO ceramic bulk
• A proof-of-concept Bitter-like HTS electromagnet fabricated from a silver-infiltrated (RE)BCO ceramic bulk
• AC Loss Reduction in REBCO Coated Conductors using the Hexagonal Arrangement Cabling Method