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Design and modelling of next generation aeroengine cooling systems


   Department of Mechanical Engineering

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  Dr Carl Sangan, Dr M Carnevale, Dr James Scobie  No more applications being accepted  Funded PhD Project (UK Students Only)

Bath United Kingdom Aerospace Engineering Energy Technologies Mechanical Engineering Mathematics

About the Project

The University of Bath is inviting applications for the following PhD project commencing in October 2021 or as soon as possible thereafter.

Funding is available to candidates who qualify for ‘Home’ fee status. Following the UK’s departure from the European Union, the rules governing fee status have changed and, therefore, candidates from the EU/EEA are advised to check their eligibility before applying. Information may be found on our fee status guidance webpage, on the GOV.UK website and on the UKCISA website.

Informal queries should be directed to Dr Carl Sangan - [Email Address Removed]

Project:

Safran provides the world’s leading airframers with innovative and reliable propulsion systems. Efforts today focus on decreasing fuel consumption and maintenance costs, while designing more eco-responsible systems. Through CFM International (the 50/50 joint company between Safran Aircraft Engines and GE), Safran produce the LEAP® turbofan, successor to the best-selling CFM56®, with a reduction of 15% of CO2 emissions. The LEAP powers new- generation single-aisle commercial jets: the Airbus A320neo, Boeing 737 MAX and COMAC C919.

The ultimate goal of a new research programme between Safran and the University of Bath is to make air transport safer and more environmentally friendly in tackling the challenge of climate change and contributing to the transition to carbon-neutral aviation by 2050. Improvements in engine performance are critical to realise this ambition.

One of the most important problems facing gas turbine designers today is the ingestion of hot mainstream gases into the wheel-space between the turbine disc (rotor) and its adjacent casing (stator). A rim seal is fitted at the periphery and a superposed purge flow – typically fed through the bore of the stator - is used to prevent ingress. Through the project ‘Ingress through Gas Turbine Rim Seals’ (IRIS), next generation rim seal technologies are to be developed, seeking to reduce the use of purge flow while minimising aerodynamic loss in the turbine.

Building on a successful collaboration between Safran and the University of Bath in this area between 2018 and 2021, this new programme of work will utilise an advanced single-stage turbine test rig, fully instrumented to assess pressure, velocity, and concentration distributions within the turbine stage, to improve the understanding of its flow physics and modelling approaches. State-of-the-art experimentation will be coupled with computational fluid dynamics simulations to develop the modelling capability of the unsteady, three- dimensional flows occurring within the aeroengine stage.

The PhD candidate will join a growing team of turbomachinery researchers at Bath and work closely with academics and senior engineers at Safran Aircraft Engines. It is expected that the work will result in a series of technical publications at international conferences, in addition to frequent visits to the industrial collaborator in Paris.

Candidate Requirements:

Applicants should hold, or expect to receive, an undergraduate Masters first class degree or MSc distinction (or non-UK equivalent). English language entry requirements must be met at the time of application to be considered for funding, see https://www.bath.ac.uk/corporate-information/postgraduate-english-language-requirements/

Application:

Formal applications should be made via the University of Bath’s online application form for a PhD in Mechanical Engineering. Please ensure that you state the full project title and lead supervisor name on the application form.

https://samis.bath.ac.uk/urd/sits.urd/run/siw_ipp_lgn.login?process=siw_ipp_app&code1=RDUME-FP01&code2=0016

More information about applying for a PhD at Bath may be found here:

http://www.bath.ac.uk/guides/how-to-apply-for-doctoral-study/


Funding Notes

A studentship includes ‘Home’ tuition fees, a stipend (£15,609 per annum, 2021/22 rate) and research/training expenses (£1,000 per annum) for up to 3.5 years.
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