PhD Studentship in Tribodynamics of IC engines in collaboration with Aston Martin Lagonda Optimisation of transient compression ring modal behaviour on friction and blow-by response with cylinder deactivation



Ref: MGLC250413

The primary function of piston compression rings is to seal the combustion chamber from adverse effects of power loss and blow-by. This requirement can affect friction, reduction of which is another key driver in engine design. The parasitic losses of compression rings can account for 7-9% of fuel energy expended. Some of these losses are due to complex ring elastodynamic behaviour, which can also result in loss of sealing. Loss of power due to poor sealing itself can account for a significant parasitic loss and lead to unacceptable emissions. Progressively, industry is subjected to rigorous directives with regard to emissions above prescribed limits and fined according to a sliding scale above this limit. The aim of research is to combine ring modal behaviour with elastohydrodynamic analysis and a gas flow model. The objective is to carry out parametric studies for optimisation of ring geometry, topography and material of construction in order to arrive at optimal compression ring design.

The research will be carried out in the Dynamics Research Group (DRG) of Wolfson School of Mechanical & Manufacturing Engineering, Loughborough University in collaboration with Aston Martin Lagonda. Due to funding restrictions The tax free stipend is available for UK/EU students including tuition fees of £3,828 is £17,554 per annum. Funding is available for a period of 3 years.

A high calibre Mechanical or Automotive Engineering graduate with first class or second class upper division MEng or BEng Honours degree is sought.

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Please apply through the Apply button below.

Those interested to discuss the position can contact Dr. Miguel De la Cruz, tel.: 01509227529 or [email protected] 

It is very important to quote the reference: MGLC250413 on all correspondence and especially on the application form. 

Curriculum Vitae will only be accepted if accompanied by a completed standard University application form and other specified information. 

Deadline date for applications: 30th June, 2013

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