All Outputs (8)

Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator (2019)
Conference Proceeding
Rocca, A. L., Connor, P. H., Xu, Z., Eastwick, C. N., Pickering, S. J., & Gerada, C. (2019). Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator. In 2019 IEEE International Electric Machines & Drives Conference (IEMDC) (322-328). https://doi.org/10.1109/iemdc.2019.8785357

This paper describes the thermal-mechanical characterisation methodology for the bearing chambers of a high-speed (32,000 rpm) electrical starter/generator [1]; presenting a low cost analysis approach and design guideline for future machines. The met... Read More about Thermo-Mechanical Modelling of Bearing Chambers of a High-Speed Starter/Generator.

Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry (2018)
Conference Proceeding
La Rocca, S., Pickering, S., Eastwick, C. N., Gerada, C., & Rönnberg, K. (2018). Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry.

In this paper a typical small low voltage TEFC motor (output power ~10 kW) has been studied using computational fluid dynamics. The complexity of the end winding geometries, often consisting of several insulated copper strands bound together, provide... Read More about Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry.

Numerical investigations of convective phenomena of oil impingement on end-windings (2018)
Conference Proceeding
Connor, P., La Rocca, A., Xu, Z., Eastwick, C., Pickering, S., & Gerada, C. (2018). Numerical investigations of convective phenomena of oil impingement on end-windings.

A novel experimental rig for analysing intensive liquid cooling of highly power-dense electrical machine components has been developed. Coupled fluid flow and heat transfer has been modelled, using computational fluid dynamics (CFD), to inform the de... Read More about Numerical investigations of convective phenomena of oil impingement on end-windings.

A semi-flooded cooling for a high speed machine: Concept, design and practice of an oil sleeve (2017)
Conference Proceeding
Xu, Z., La Rocca, A., Arumugam, P., Pickering, S. J., Gerada, C., Bozhko, S., …Zhang, H. (2017). A semi-flooded cooling for a high speed machine: Concept, design and practice of an oil sleeve. In Proceedings IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society (8557-8562). https://doi.org/10.1109/IECON.2017.8217503

This paper proposes a semi-flooded cooling concept for a high speed machine design. The electrical machine considered is for an aircraft starter-generator system where power density and efficiency are crucial. In order to achieve the high power densi... Read More about A semi-flooded cooling for a high speed machine: Concept, design and practice of an oil sleeve.

Stator and rotor vent modelling in a MVA rated synchronous machine (2016)
Conference Proceeding
Connor, P. H., Eastwick, C., Pickering, S. J., Gerada, C., & Rolston, R. (2016). Stator and rotor vent modelling in a MVA rated synchronous machine. In 2016 XXII International Conference on Electrical Machines (ICEM) (571-577). https://doi.org/10.1109/ICELMACH.2016.7732583

An investigation into the solution dependence of a conjugate heat transfer computational fluid dynamics (CFD) model of a synchronous generator, with respect to meshing, has been carried out. Utilising CFD as a tool for investigating the airflow and t... Read More about Stator and rotor vent modelling in a MVA rated synchronous machine.

Development of an aircraft wheel actuator for green taxiing (2014)
Conference Proceeding
Galea, M., Pickering, S. J., Tighe, C., XU, Z., Hamiti, T., & Gerada, C. (2014). Development of an aircraft wheel actuator for green taxiing. doi:10.1109/ICELMACH.2014.6960537

In this paper, the design and construction aspects of a wheel actuator to be used for aircraft taxiing on the ground and which will be located in the main landing gear are addressed. The main challenges with the application are the high torque densit... Read More about Development of an aircraft wheel actuator for green taxiing.

Mechanical and thermal management design of a motor for an aircraft wheel actuator (2014)
Conference Proceeding
Xu, Z., Galea, M., Tighe, C., Hamiti, T., Gerada, C., & Pickering, S. (2015). Mechanical and thermal management design of a motor for an aircraft wheel actuator. In 2014 17th International Conference on Electrical Machines and Systems (ICEMS). https://doi.org/10.1109/ICEMS.2014.7014056

A permanent magnet motor is designed as an actuator for taxiing large aircraft in an airport. The motor is attached to the main aircraft wheel to provide a direct drive. A special topology for this machine is developed selected and designed. Due to a... Read More about Mechanical and thermal management design of a motor for an aircraft wheel actuator.

CFD modelling of an entire synchronous generator for improved thermal management (2012)
Conference Proceeding
Connor, P. H., Pickering, S. J., Gerada, C., Eastwick, C. N., & Micallef, C. (2012). CFD modelling of an entire synchronous generator for improved thermal management. . https://doi.org/10.1049/cp.2012.0290

This paper is the first in a series dedicated to investigating the airflow and thermal management of electrical machines. Due to the temperature dependent resistive losses in the machine's windings any improvement in cooling provides a direct reducti... Read More about CFD modelling of an entire synchronous generator for improved thermal management.