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ISVR-FDAG-129: Aero-engine buzz-saw noise propagation in steady distorted intake flows

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  • Full or part time
    Prof R.J. Astley
    Dr A. McAlpine
  • Application Deadline
    Applications accepted all year round

Project Description

Applications are invited for a PhD Studentship working on Turbofan Aircraft Engine Noise. This project is funded via an Industrial CASE award from the Engineering and Physical Sciences Research Council with support from Rolls-Royce plc. It will be undertaken within the Rolls-Royce University Technology Centre in Gas Turbine Noise at the Institute of Sound and Vibration Research (ISVR) at the University of Southampton. Noise is a major environmental impact of civil aviation. Reducing aircraft noise is critical to the growth of air transport and to the future of the UK aircraft industry.

This project will focus on the prediction of supersonic fan noise, known colloquially as “buzz-saw” noise, which is generated by high-bypass-ratio turbofan engines. This noise source is particularly apparent at take-off. The key aim will be to develop new prediction methods which can simulate the nonlinear propagation and radiation of sound from turbofan intakes, including its propagation through non-uniform flow and absorption by acoustic lining on the duct walls. The work will involve computational fluid dynamics and computational aeroacoustics, theoretical modelling and validation studies using experimental data from Rolls-Royce fan rig tests.

The Industrial CASE award provides an enhanced, fully-funded studentship for four years (instead of the usual three years), but the funding is only available for UK eligible students (see https://www.epsrc.ac.uk/skills/students/help/eligibility ). Funding covers tuition fees and an enhanced tax-free stipend for four years starting at £16,000 per annum. Applicants should have a good first degree in a relevant science or engineering subject. Ideally the candidate should have some experience in acoustics and/or fluid dynamics.

If you wish to discuss any details of the project informally, please contact Professor Jeremy Astley, Acoustics Research Group, ISVR, University of Southampton. Email: [email protected] Tel: +44 (0) 23 8059 7038.

Visit our Postgraduate Research Opportunities Afternoon to find out more about Postgraduate Research study within the Faculty of Engineering and the Environment: http://www.southampton.ac.uk/engineering/news/events/2016/02/03-discover-your-future.page

How good is research at University of Southampton in General Engineering?

FTE Category A staff submitted: 192.23

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