Dr David Speirs
Research Fellow
Physics
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Publications
- Directed energy drilling using high-power microwaves
- Zhang L, Bamford R, Ronald K, Timoshkin I, Konoplev I V, Speirs D C, MacLachlan A J, Whyte C G, Wong T, MacGregor S, Bingham B, Eves S
- 2025 IEEE Pulsed Power & Plasma Science (PPPS) IEEE Pulsed Power & Plasma Science Conference 2025 2025 IEEE Pulsed Power & Plasma Science (PPPS) (2025)
- https://doi.org/10.1109/ppps56198.2025.11248698
- Plasma channel development in polymineralic and porous rock aggregates
- Wong Timothy, Macpherson Ruairidh Worthy, Timoshkin Igor, MacGregor Scott, Zhang Liang, Speirs David, Whyte Colin, MacLachlan Amy Jane, Ronald Kevin, Bingham Bob, Konoplev Ivan V, Eves Stuart, Bamford R
- IEEE Pulsed Power & Plasma Science Conference 2025 2025 IEEE Pulsed Power & Plasma Science (PPPS) (2025)
- https://doi.org/10.1109/PPPS56198.2025.11248476
- Plasma channel development in polymineralic and porous rock aggregates
- Wong T, MacPherson R, Timoshkin I, MacGregor S, Zhang L, Speirs DC, Whyte CG, MacLachlan AJ, Ronald K, Bingham B, Konoplev IV, Eves S, Bamford R
- IEEE Pulsed Power & Plasma Science Conference 2025 (2025)
- A Space Age Drill: DIGGER- Drilling and Integrated GigaHertz-Generated Energy Resource for Lunar and Asteroid Applications
- Bamford R, Wong Timothy, Macpherson Ruairidh Worthy, Timoshkin Igor, MacGregor Scott, Zhang Liang, Speirs David, Whyte Colin, MacLachlan Amy Jane, Ronald Kevin, Bingham Bob, Konoplev Ivan V, Martin May, Eves Stuart
- European Lunar Symposium (2025)
- https://doi.org/10.5281/zenodo.15629971
- Simulation and analysis of a high-k electron-scale turbulence diagnostic for MAST-U
- Speirs DC, Ruiz Ruiz J, Giacomin M, Hall-Chen VH, Phelps ADR, Vann R, Huggard PG, Wang H, Field A, Ronald K
- Nuclear Fusion Vol 65 (2025)
- https://doi.org/10.1088/1741-4326/adb761
- Overview of physics results from MAST upgrade towards core-pedestal-exhaust integration
- Harrison J R, Aboutaleb A, Ahmed S, Aljunid M, Allan S Y, Anand H, Andrew Y, Appel L C, Ash A, Ashton J, Bachmann O, Barnes M, Barrett B, Baver D, Beckett D, Bennett J, Berkery J, Bernert M, Boeglin W, Bowman C, Bradley J, Brida D, Browning P K, Brunetti D, Bryant P, Bryant J, Buchanan J, Bulmer N, Carruthers A, Cecconello M, Chen Z P, Clark J, Cowley C, Coy M, Crocker N, Cunningham G, Cziegler I, Da Assuncao T, Damizia Y, Davies P, Day I E, Derks G L, Dixon S, Doyle R, Dreval M, Dunne M, Duval B P, Eagles T, Edmond J, El-Haroun H, Elmore S D, Enters Y, Faitsch M, Federici F, Fedorczak N, Felici F, Field A R, Fitzgerald M, Fitzgerald I, Fitzpatrick R, Frassinetti L, Fuller W, Gahle D, Galdon-Quiroga J, Garzotti L, Gee S, Gheorghiu T, Gibson S, Gibson K J, Giroud C, Greenhouse D, Hall-Chen V H, Ham C J, Harrison R, Henderson S S, Hickling C, Hnat B, Howlett L, Hughes J, Hussain R, Imada K, Jacquet P, Jepson P, Kandan B, Katramados I, Kazakov Y O, King D, King R, Kirk A, Knolker M, Kochan M, Kogan L, Kool B, Kotschenreuther M, Lees M, Leonard A W, Liddiard G, Lipschultz B, Liu Y Q, Lomanowski B A, Lonigro N, Lore J, Lovell J, Mahajan S, Maiden F, Man-Friel C, Mansfield F, Marsden S, Martin R, Mazzi S, McAdams R, McArdle G, McClements K G, McClenaghan J, McConville D, McKay K, McKnight C, McKnight P, McLean A, McMillan B F, McShee A, Measures J, Mehay N, Michael C A, Militello F, Morbey D, Mordijck S, Moulton D, Myatra O, Nelson A O, Nicassio M, O'Mullane M G, Oliver H JC, Ollus P, Osborne T, Osborne N, Parr E, Parry B, Patel B S, Payne D, Paz-Soldan C, Phelps A, Piron L, Piron C, Prechel G, Price M, Pritchard B, Proudfoot R, Reimerdes H, Rhodes T, Richardson P, Riquezes J, Rivero-Rodriguez J F, Roach C M, Robson M, Ronald K, Rose E, Ryan P, Ryan D, Saarelma S, Sabbagh S, Sarwar R, Saunders P, Sauter O, Scannell R, Schuett T, Seath R, Sharma R, Shi P, Sieglin B, Simmonds M, Smith J, Smith A, Soukhanovskii V A, Speirs D, Staebler G, Stephen R, Stevenson P, Stobbs J, Stott M, Stroud C, Tame C, Theiler C, Thomas-Davies N, Thornton A J, Tobin M, Vallar M, Vann R GL, Velarde L, Verhaegh K, Viezzer E, Vincent C, Voss G, Warr M, Wehner W, Wiesen S, Wijkamp T A, Wilkins D, Williams T, Wilson T, Wilson H R, Wong H, Wood M, Zamkovska V
- Nuclear Fusion Vol 64 (2024)
- https://doi.org/10.1088/1741-4326/ad6011
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Professional Activities
- Ionospheric Beat-Wave Brillouin Scattering at EISCAT
- Contributor
- 12/9/2021
- Generation of Electron Cyclotron Microwave Emissions in a Mirror Discharge,
- Contributor
- 12/9/2021
- International e-Conference on Recent Trends in Plasma Physics
- Contributor
- 19/5/2021
- International School on Physics and Allied Disciplines - 2021
- Contributor
- 9/3/2021
- Laboratory modelling of plasma waves excitation and transformation to electromagnetic emission in a mirror-confined plasma
- Contributor
- 28/1/2021
- Brillouin scattering during ionospheric beat wave heating: EISCAT observations and numerical modelling results
- Contributor
- 28/1/2021
Projects
- Drilling and Integrated GigaHertz-Generated Energy Resource DIGGER
- Ronald, Kevin (Principal Investigator) MacGregor, Scott (Co-investigator) MacLachlan, Amy Jane (Co-investigator) Timoshkin, Igor (Co-investigator) Whyte, Colin (Co-investigator) Wilson, Mark (Co-investigator) Speirs, David (Research Co-investigator) Zhang, Liang (Research Co-investigator)
- 14-Jan-2024 - 13-Jan-2025
- Vlasov-Maxwell simulation of wave-driven turbulence and novel electron and ion heating schemes
- Speirs, David (Co-investigator) Eliasson, Bengt (Principal Investigator)
- EPSRC awarded EPCC Tier-2 HPC resource access call. Funded 1 year of HPC resources on the CIRRUS Tier-2 HPC system for research.
- 14-Jan-2018 - 14-Jan-2019
- Microwave emission due to kinetic instabilities in an overdense mirror-confined plasma (International Exchanges Cost Share 2018 - Russia)
- Eliasson, Bengt (Principal Investigator) Bingham, Robert (Co-investigator) Phelps, Alan (Co-investigator) Ronald, Kevin (Co-investigator) Speirs, David (Co-investigator)
- 10-Jan-2018 - 09-Jan-2022
- Multiscale turbulent dynamics of tokamak plasmas (EPSRC Turbulence Centre)
- Ronald, Kevin (Principal Investigator) Phelps, Alan (Co-investigator) Speirs, David (Researcher)
- 01-Jan-2018 - 30-Jan-2024
- Parametric Wave Coupling and Non-Linear Mixing in Plasma
- Ronald, Kevin (Principal Investigator) Bingham, Robert (Co-investigator) Eliasson, Bengt (Co-investigator) Phelps, Alan (Co-investigator) MacInnes, Philip (Research Co-investigator) Speirs, David (Researcher) Whyte, Colin (Researcher)
- 01-Jan-2017 - 31-Jan-2020
- e2v Ltd HPM Source Computational Modelling
- Cross, Adrian (Principal Investigator) Ronald, Kevin (Co-investigator) Speirs, David (Research Co-investigator)
- 01-Jan-2014 - 31-Jan-2014