Investigation On Material Degradation During Tip-Rub Events University of Nottingham Department of Engineering United Kingdom

Investigation On Material Degradation During Tip-Rub Events

 

 

Reference

    ENG1272

Closing Date

    Monday, 15th July 2019

Department

    Engineering

 

Applications are sought for a PhD position at the University of Nottingham addressing the specific engineering details of aeroengine blade behaviour during tip-rub events. The successful candidate will have a first-class or upper second-class honours degree in mechanical engineering.

 

This Industrial CASE studentship is open to UK nationals only and will attract a stipend of £18k per annum for four years. The position arises from a long-standing engineering research relationship between the University of Nottingham and Rolls-Royce plc. The University of Nottingham hosts two of the (~30) University Technology Centres (UTCs) used by the company as the main engines of its engineering research and development. Nottingham’s UTC in gas turbine transmissions systems will host this studentship and the candidate will sit within a community of ~20 PhD students at various stages of their study. This PhD will be held in collaboration with colleagues at the UTC based at TU Dresden and the person appointed will be expected to spend periods at TU Dresden as part of their studies. There will also be an opportunity to spend up to 3 months within Rolls-Royce plc and to have significant interaction with an expert technical customer throughout the period of study.

 

Minimising the clearance between the blade tip and casing is important in modern aeroengines to improve efficiency (by reducing fuel consumption). The inclusion of sacrificial materials in the casing provides a ‘soft’ material should an incursion occur. Such events lead to heat generation and a complex multiaxial stress state (combinations of centrifugal loads and frictional loading), which can result in degradation in the form of wear and microstructural changes in the material of the blade and liner and, therefore, a reduced capability to endure service loads and temperatures, or any future incursion events. The proposed work will provide fundamental understanding through both experimental and modelling approaches, of the effect of incursion events on the microstructural and mechanical properties of the blade tip and liner materials and will assist in assessing the effects on the remaining life and future behaviour, leading to improved design and lifing rules for incursion events.

 

This project is available from 1st October 2019. Applications accepted until post is filled.  Informal inquiries can be made via email to Dr Chris Bennett (c.bennett@nottingham.ac.uk)

 

Please apply here https://www.nottingham.ac.uk/pgstudy/how-to-apply/apply-online.aspx

 

When applying for this studentship, please include the reference number (beginning ENG and supervisors name) within the personal statement section of the application. This will help in ensuring your application is sent directly to the academic advertising the studentship.


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