PhD Studentship: Aerodynamic optimisation of multi-passage swirling flows for gas turbine fuel injectors

Applications are invited for the above studentship within the Rolls-Royce University Technology Centre in Combustion System Aerothermal Processes located within the Department of Aeronautical and Automotive Engineering, Loughborough University.

The drive towards low emissions in aero gas turbines necessitates the development of new fuel injector technologies, with modern injectors comprising multiple passages in which vanes are used to impart significant amounts of swirl into the flow. These individual swirling passage flows must then coalesce and mix, and it is in this region where significant amounts of fuel also enter the airstream. The main aim of this PhD is to study the fluid dynamics of multi passage swirling flows and their subsequent coalescence and interaction. Although applicable to a variety of applications emphasis will be placed on the design of modern fuel injectors, the aim being to optimise the injector aerodynamic flow field leading to improved fuel atomisation. Numerical (CFD) techniques will be used to assess current geometries and establish suitable modelling methodologies. These will then be used to investigate and develop the correct design methodology along with new/novel configurations. Some experimental measurements may also be undertaken to assess the most promising candidates and validate the numerical work. Throughout the project there will be close collaboration with Rolls-Royce plc. through the Rolls-Royce University Technology Centre based at Loughborough.

The studentship is part of the Strategic Investment in Low-carbon Engine Technology II (SILOET II) programme funded by the Technology Strategy Board. Funding is for 3 years and covers fees and a tax-exempt stipend of £13,730. Tuition fees will be paid at the UK/EU rate. To be eligible applicants must have, or expect to gain, the minimum of a 2.1 Honours degree (or equivalent) in a relevant engineering discipline. The preferred start date is October 2013. Early application is strongly encouraged. This position is being re-advertised – if you have already applied do not re-apply.

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Information about the Department of Aeronautical and Automotive Engineering can be found at:

Enquiries about the project should be made to:

Dr Duncan Walker

Lecturer in Applied Aerodynamics

Dept. Aeronautical and Automotive Engineering

Loughborough University, LE11 3TU, UK

E: [email protected]

T: +44(0)1509 227235

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