UK Atomic Energy Authority
Core confinement in Spherical Tokamaks (Fellowship Scheme UKAEA – PPPL)
Job Ref: 4096
Job Title: Core confinement in Spherical Tokamaks (Fellowship Scheme UKAEA – PPPL)
Job type: FTA 2 years FT
Location: Culham, Oxfordshire
Salary: £34,000 to £37,000 + excellent benefits including outstanding pension scheme
Closing date: 30th November 2019
Would you like to work with world leading plasma physicists from the UK Atomic Energy Authority and Princeton University?
Are you interested in modelling the core plasma of the MAST Upgrade tokamak, the UK Fusion Research Programme’s leading plasma physics experiment?
Do you want the chance to exploit cutting edge research codes to explore the nature of confinement and turbulence in spherical tokamak plasmas?
It is an exciting period at the UK Atomic Energy Authority: our new experiment MAST-Upgrade (MAST-U) is at an advanced stage of commissioning and will explore the spherical tokamak route to fusion and test novel plasma exhaust concepts. It has ties to numerous UK & international universities and fusion laboratories throughout the world. Moreover, whilst on this 2-year fellowship you will have the opportunity to spend 3 months/year visiting the Princeton Plasma Physics Laboratory in the US as part of the UKAEA-PPPL Fellowship Scheme.
The MAST-U experiment is investigating key physics and engineering issues related to the production of commercial fusion energy and relies on modelling to optimise the plasma performance and understand the mechanisms underlying the core transport in a spherical tokamak plasma. Your job on this project will be to run the state-of-the-art TRANSP code and compare your transport model predictions directly against an extensive suite of diagnostic data collected from MAST Upgrade.
On-the-job training, as appropriate, will ensure that you can fulfil the key accountabilities for this post, which may include any of the following:
– Exploit the TRANSP transport modelling code
– Validate predictive capability of TRANSP against experimental data and identify regions where model improvement is required
– Understand experimental results relating to transport and confinement, e.g. observed confinement scalings, impurity accumulation, variations in observed plasma performance
– Study sensitivities, make predictions and guide development of MAST-U scenarios
– Compare reduced models within TRANSP (e.g. TGLF and MMM) to gyrokinetic calculations
– Act as point of contact for PPPL physicists
– Develop and maintain software interface (e.g. OMFIT) to the TRANSP code
– Share knowledge, support other users with their simulations
– Propose and lead/contribute to the research programmes of MAST-U
Dependent on your knowledge, experience, and interest, you will be encouraged to propose and execute new and novel experiment proposals during the MAST Upgrade experimental campaigns to validate your modelling.
At UKAEA we strive to make everyone feel welcome and fully supported. Our Ambassadors are actively promoting and advancing diversity and inclusion in the organisation to help make our Organisation an employer of choice. UKAEA has a graded career structure and our mentoring scheme will enable you to reach your true potential.
Knowledge skills and experience
– PhD level knowledge of plasma physics or equivalent work experience
– Ability, willingness, and ideally experience of working on and understanding large legacy codes written by others
– Proven ability to conduct independent research
– Strong interest in at least one area of tokamak plasma modelling including:
– Core turbulent transport models (quasilinear and/or gyrokinetic/gyrofluid codes)
– Heat and particle sources
– MHD/pedestal modelling
– Ability to interact with physicists and understand their requirements
– Good oral and written communications skills
– A good team player with a pro-active work ethos
– Specific user experience with core tokamak plasma transport codes: e.g. TRANSP
– Experience in running simulation codes within different frameworks and on different platforms
– Strong record of publications
– Good numerical and programming skills (e.g. Python/IDL/MATLAB)
The Jobholder has the opportunity to spend about 3 month/year visiting the Princeton Plasma Physics Laboratory in the US.
Please note all employees working at the UK Atomic Energy Authority will be required to complete an online Disclosure Certificate application as part of their clearance.
The UK Atomic Energy Authority actively promotes equality and values diversity in our workforce. We operate a number of flexible working arrangements (such as part-time working/job share/home working). Flexible working may be available with this role.
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