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Development of an combine experimental and computation methodology for the study of cavitation in centrifugal pumps


About This PhD Project

Project Description

The project will be part of a wider programme of research with activity ranging from advanced material characterisation and processing to fluid flow analysis. The broad area is the development of novel materials using micro and nano material processing.

This particular 4 year PhD research will aim to develop a methodology for the combined experimental and computational characterisation of cavitation in centrifugal pumps. The aim is to help interpret the impact of micro and nano textures applied to the surface of the pump impeller on the wear induced by cavitation. The primary focus of the research will be the experimental study but the aim is to leverage computational simulations to complement experimental observations. The successful candidate will be expected to develop a purpose built closed-loop test rig. Measurements will rely on phase locked high speed imaging. The main components of the test facility will include a VFD controlled motor connected to a pump impeller via a torque-meter. The impeller will be encased in a transparent volute to facilitate visual access to the cavitation. The computational part of the research will rely on existing computational solutions developed at the partner institution, the FluidDyn laboratory at ENSAM ParisTech. The computational methods have been previously validated and will be applied to characterise cavitation induced stresses around micro-textures.

Minimum Criteria
Applicants should have a Master of Engineering in a discipline relevant to mechanical, engineering physics or related field. A strong background in experimental fluid dynamics and computational fluid dynamics with a broad knowledge of hydraulic engineering and/or mechanical design.

The team is looking for high performance aspiring applicants with a desire to discovering new knowledge and to drive forward advanced fluid characterisation techniques. Applicants are invited from high achieving graduates with the specific related backgrounds noted above. Ideally the applicant will have demonstrated:

• An ability to design and/or implement experimental test facilities for the study of a fluid or thermal flow system.
• Expertise and know-how related to the experimental fluid dynamics
• A proven track record in good laboratory practise and record keeping
• A proven track record in computational fluid dynamics
• Good written and verbal communication skills

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