Geraint Jewell

Professor Geraint Jewell is affiliated with the University of Sheffield, serving as Director of the Rolls-Royce University Technology Centre in Advanced Electrical Machines (since 2006) and Director of the EPSRC Future Electrical Machines Manufacturing Hub (since 2019). He is a graduate of the university (BEng 1988, PhD 1992) and has held academic roles since 1994.

• EPSRC Advanced Research Fellowship (2000-2005)
• Royal Society Industry Fellowship at Rolls-Royce (2006-2008)
• Former Faculty Director of Research and Innovation (2008-2011)
• Former Head of Department (2013-2019)

His research focuses on power-dense electrical machines for aerospace applications, including permanent magnet machines, switched reluctance machines, and linear actuators. He has supervised ~20 PhD students and led collaborations with Rolls-Royce on high-temperature devices (up to 800°C) and aero-engine starter-generators.

Recent publications analyze stator insulation thermal degradation, eddy current control in additively manufactured materials, and magnetic loss prediction in silicon steel. His work spans electromagnetic modeling, core loss calculation, and advanced manufacturing techniques for electrical machines.

• EPSRC Advanced Research Fellowship (2000-2005)
• Royal Society Industry Fellowship (2006-2008)

He has advised PhD students across topics like consequent-pole PM machines, doubly salient SynRMs, and core loss characterization. His Electrical Machines and Drives Research Group explores modular motor design and magnetic material optimization for aerospace and electric vehicles.