Biography
Dr Paul Beard is an Associate Professor in the Oxford Thermofluids Institute (OTI), Department of Engineering Science, and Principal Investigator of the Oxford Turbine Research Facility (OTRF). He directs the OTRF research programme, which investigates the aerothermal performance of high-pressure turbines under engine-representative conditions.
Paul studied Engineering Science at the University of Oxford before completing a DPhil in Engineering Science. His research combines fundamental experimental aerothermodynamics with the development of advanced measurement techniques and large-scale experimental facilities. He works closely with the aerospace industry, particularly Rolls-Royce, developing research programmes addressing turbine performance, cooling, component durability and future propulsion technologies. His research also includes national and international academic collaborations.
Alongside his research, Paul teaches Engineering Science at Exeter College and contributes to the wider engineering profession. He has served on the IMechE Thermofluids Board since 2009, including as Chair from 2014–2017, and has previously served on IMechE Council and its Technology Strategy Board.
Research
Paul’s research focuses on experimental turbine aerothermodynamics, with particular interests in high-pressure turbine aerodynamics, cooling and heat transfer, secondary-air systems, component durability and advanced experimental measurement.
A central part of his research is the Oxford Turbine Research Facility (OTRF), which enables full-scale high-pressure turbine experiments at engine-representative aerodynamic and thermal conditions. His research uses OTRF to investigate how turbine aerodynamics, cooling flows and component condition interact to determine turbine efficiency and durability.
Current research themes include:
- Turbine cooling and heat transfer – understanding coolant transport and thermal protection in highly cooled turbine stages and developing experimental methods to quantify cooling performance under engine-representative conditions.
- Advanced thermal measurement – development of high-speed infrared thermography for quantitative full-field thermal measurements on transonic rotating turbine blades travelling at approximately 300 m/s. This work includes new approaches to radiometric calibration, high-speed image acquisition and image processing.
- Turbine component durability – investigating the aerothermal consequences of component deterioration and potential mitigation technologies. Research on retrofit effusion cooling has progressed from OTRF experiments through engine validation to adoption by Rolls-Royce for an in-service turbine solution.
- Secondary-air systems – experimental research into turbine rim-seal ingestion, cavity flows and the interaction between secondary-air systems and the mainstream turbine flow.
- Combustor–turbine interaction – development of experimental capability to investigate the influence of realistic combustor exit conditions on downstream turbine aerodynamics and heat transfer.
- Experimental facilities and methods – development of new test facilities, instrumentation and measurement approaches required to investigate turbine technologies where established experimental methods are insufficient.
Paul works closely with Rolls-Royce and other industrial partners on the development and definition of turbine research programmes. Academic collaborations include researchers at the University of Surrey, The University of Tokyo and TU Delft.
Teaching
Paul has taught Engineering Science at the University of Oxford since 2004 as a Stipendiary College Lecturer at Exeter College. His undergraduate teaching includes engineering mathematics, thermodynamics, fluid mechanics and energy systems, with an emphasis on applying fundamental engineering principles to practical engineering problems and developing independent technical judgement.
He supervises undergraduate research projects, DPhil students and postdoctoral researchers working in experimental turbomachinery and thermofluids. His research supervision covers turbine aerodynamics and heat transfer, cooling systems, secondary-air systems, optical and thermal measurement techniques, and the design and operation of large-scale experimental facilities.
Selected Publications
Paul’s research has produced 26 refereed journal papers and 28 refereed conference proceedings, including 30 publications as first or senior author.
Sisti, M., Falsetti, C. & Beard, P.F. (2025). High speed infrared thermography to investigate heat transfer of transonic turbine rotor blades. Measurement. doi:10.1016/j.measurement.2025.118103.
Singh, D., Beard, P.F., Cardwell, D., Staelens, V., Bahulekar, P., Stokes, M., Bather, S. & Chana, K.S. (2025). An Aerodynamic Investigation of a High-Pressure Turbine Using Rotor Casing Static Pressure Measurements at Engine Representative Conditions With Different Tip Designs, Tip Gaps and Inlet Temperature Profiles. Journal of Turbomachinery, 147(6):021009. doi:10.1115/1.4066965.
Singh, D., Beard, P.F., Cardwell, D.N. & Chana, K.S. (2024). Understanding Thermal Unsteadiness in Engine Representative Flows and Improved Methodologies for Derived Heat Transfer Calculations Using Thin-Film Gauges. Journal of Turbomachinery, 146(2):021009. doi:10.1115/1.4063735.
Sisti, M., Falsetti, C. & Beard, P.F. (2023). Infrared temperature measurements on fast moving targets: A novel calibration approach. Measurement. doi:10.1016/j.measurement.2023.113870.
Bru Revert, A., Beard, P.F. & Chew, J.W. (2023). Inertial and Acoustic Waves in a Turbine Rim Chute Rim Seal Cavity. Journal of Engineering for Gas Turbines and Power, 145(6):061021. doi:10.1115/1.4056552.
Singh, D., Beard, P.F., Cardwell, D.N. & Chana, K.S. (2022). Investigation of a High-Pressure Turbine Stage in a High-Speed Rotating Transient Test Facility for Rotor Tip Study and a Parametric Study for Improved Heat Transfer Calculation. Journal of Engineering for Gas Turbines and Power. doi:10.1115/1.4055683.
Adams, M.G., Adami, P., Collins, M., Beard, P.F., Chana, K.S. & Povey, T. (2021). Impact of Rotor-Casing Effusion Cooling on Turbine Performance and Operating Point: An Experimental, Computational, and Theoretical Study. Journal of Turbomachinery. doi:10.1115/1.4050019.
Bru Revert, A., Beard, P.F. & Chew, J.W. (2021). Flow and Ingestion in a Turbine Disc Cavity under Rotationally-Dominated Conditions. International Journal of Turbomachinery, Propulsion and Power, 6(3):29. doi:10.3390/ijtpp6030029.
Beard, P.F., Gao, F., Chana, K.S. & Chew, J.W. (2016). Unsteady Flow Phenomena in Turbine Rim Seals. Journal of Engineering for Gas Turbines and Power, 139(3). doi:10.1115/1.4034452.
Beard, P.F., Smith, A. & Povey, T. (2011). Experimental and CFD investigation of the efficiency of an unshrouded transonic HP turbine. Proceedings of the Institution of Mechanical Engineers, Part A: Journal of Power and Energy, 225(8), 1166–1179. doi:10.1177/0957650911407979. Awarded the IMechE Harold Disney Best Paper Prize.