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Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions (2021)
Journal Article
Ragab, R., Parker, J., Li, M., Liu, T., & Sun, W. (2021). Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions. International Journal of Pressure Vessels and Piping, 192, Article 104389. https://doi.org/10.1016/j.ijpvp.2021.104389

This paper is concerned with the creep-damage modelling of a Grade 91 pressurised header, which was observed to undergo in-service cracking in the weldments. A multi-axial creep damage model of Kachanov type, with a single state damage variable, has... Read More about Modelling of a Grade 91 power plant pressurised header weldment under ultra super-critical creep conditions.

A component model for column face in bending of extended HolloBolt connections (2021)
Journal Article
Mahmood, M., & Tizani, W. (2021). A component model for column face in bending of extended HolloBolt connections. Journal of Constructional Steel Research, 182, Article 106655. https://doi.org/10.1016/j.jcsr.2021.106655

Extended HolloBolt (EHB) is a practical anchored blind bolting system for concrete-filled steel sections. One of the failure modes of EHB connections is the bending of the column face component. Up to date, no analytical model to estimate the strengt... Read More about A component model for column face in bending of extended HolloBolt connections.

Interlaced layer thicknesses within single laser powder bed fusion geometries (2021)
Journal Article
Clare, A., Gullane, A., Hyde, C., Murray, J. W., Sankare, S., & Wits, W. W. (2021). Interlaced layer thicknesses within single laser powder bed fusion geometries. CIRP Annals - Manufacturing Technology, https://doi.org/10.1016/j.cirp.2021.03.001

The geometrical design freedoms associated with additive manufacturing techniques are currently well exploited and finding commercial application. The capability of layer-based processes to allow modification of composition and microstructure in proc... Read More about Interlaced layer thicknesses within single laser powder bed fusion geometries.

A Novel Current Limitation Technique Exploiting the Maximum Capability of Power Electronic Inverter and Bearingless Machine (2021)
Journal Article
Wen, Z., Valente, G., Formentini, A., Papini, L., Gerada, C., & Zanchetta, P. (2021). A Novel Current Limitation Technique Exploiting the Maximum Capability of Power Electronic Inverter and Bearingless Machine. IEEE Transactions on Industry Applications, 57(6), 7012-7023. https://doi.org/10.1109/tia.2021.3069149

This article presents a current limitation technique for a multiphase bearingless machine featuring a combined winding system. This winding structure allows the machine to produce both suspension force and motoring torque. The main challenges with th... Read More about A Novel Current Limitation Technique Exploiting the Maximum Capability of Power Electronic Inverter and Bearingless Machine.

4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft (2021)
Journal Article
Golovanov, D., Gerada, D., Sala, G., Degano, M., Trentin, A., Connor, P. H., Xu, Z., Rocca, A. L., Galassini, A., Tarisciotti, L., Eastwick, C. N., Pickering, S. J., Wheeler, P., Clare, J., Filipenko, M., & Gerada, C. (2021). 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft. IEEE Transactions on Transportation Electrification, 7(4), 2952-2964. https://doi.org/10.1109/TTE.2021.3068928

This article describes the underpinning research, development, construction, and testing of a 4-MW multithree phase generator designed for a hybrid-electric aircraft propulsion system demonstrator. The aim of the work is to demonstrate gravimetric po... Read More about 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft.

A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability (2021)
Presentation / Conference Contribution
Kaya, M., Costabeber, A., Watson, A. J., Tardelli, F., & Clare, J. C. (2020, December). A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability. Presented at 9th IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES 2020), Jaipur, India

This paper introduces a hybrid chain-link push-pull series connected (H-CL-P2SC) modular multilevel converter for HVDC applications, especially for those considering a connection of off-shore wind farms to the grid. On the ac side, each converter pha... Read More about A hybrid chain-link push-pull series connected (H-CL-P2SC) M2C with DC fault blocking capability.

Melting phase change heat transfer in a quasi-petal tube thermal energy storage unit (2021)
Journal Article
Mehryan, S. A. M., Raahemifar, K., Ramezani, S. R., Hajjar, A., Younis, O., Talebizadeh Sardari, P., & Ghalambaz, M. (2021). Melting phase change heat transfer in a quasi-petal tube thermal energy storage unit. PLoS ONE, 16(3), Article e0246972. https://doi.org/10.1371/journal.pone.0246972

In the present study, the thermal energy storage of a hot petal tube inside a shell-tube type Thermal Energy Storage (TES) unit was addressed. The shell is filled with the capric acid Phase Change Material (PCM) and absorbs the heat from a hot U-tube... Read More about Melting phase change heat transfer in a quasi-petal tube thermal energy storage unit.

Mechanisms and Product Options of Magnesiothermic Reduction of Silica to Silicon for Lithium-Ion Battery Applications (2021)
Journal Article
Tan, Y., Jiang, T., & Chen, G. Z. (2021). Mechanisms and Product Options of Magnesiothermic Reduction of Silica to Silicon for Lithium-Ion Battery Applications. Frontiers in Energy Research, 9, Article 651386. https://doi.org/10.3389/fenrg.2021.651386

Lithium-ion batteries (LIBs) have been one of the most predominant rechargeable power sources due to their high energy/power density and long cycle life. As one of the most promising candidates for the new generation negative electrode materials in L... Read More about Mechanisms and Product Options of Magnesiothermic Reduction of Silica to Silicon for Lithium-Ion Battery Applications.

Voltage Oriented Controller based Vienna Rectifier for Electric Vehicle Charging Stations (2021)
Journal Article
Rajendran, G., Vaithilingam, C. A., Misron, N., Naidu, K., & Ahmed, M. R. (2021). Voltage Oriented Controller based Vienna Rectifier for Electric Vehicle Charging Stations. IEEE Access, 9, 50798-50809. https://doi.org/10.1109/ACCESS.2021.3068653

Vienna rectifiers have gained popularity in recent years for AC to DC power conversion for many industrial applications such as welding power supplies, data centers, telecommunication power sources, aircraft systems, and electric vehicle charging sta... Read More about Voltage Oriented Controller based Vienna Rectifier for Electric Vehicle Charging Stations.

A novel trench fibre push-out method to evaluate interfacial failure in long fibre composites (2021)
Journal Article
De Meyere, R. M., Song, K., Gale, L., Harris, S., Edmonds, I. M., Marrow, T. J., Saiz, E., Giuliani, F., Armstrong, D. E., & Gavaldà-Diaz, O. (2021). A novel trench fibre push-out method to evaluate interfacial failure in long fibre composites. Journal of Materials Research, 36(11), 2305-2314. https://doi.org/10.1557/s43578-021-00153-1

Traditional fibre push-outs for the evaluation of interfacial properties in long fibre ceramic matrix composites present their limitations—solutions for which are addressed in this work by introducing the novel trench push-out test. The trench push-o... Read More about A novel trench fibre push-out method to evaluate interfacial failure in long fibre composites.