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Installation effect on the noise of small high speed fans


   Faculty of Engineering and Physical Sciences

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  Prof Philip Joseph  No more applications being accepted  Competition Funded PhD Project (UK Students Only)

About the Project

Supervisory Team:   Phillip Joseph and Chaitanya Paruchuri

Project description

At the heart of Dysons’s products, such as vacuum cleaners, hair dryers and hand dryers, is an efficient high-speed fan for providing high flow rates at large pressure. However, like most fans they are also noisy.

This project is predominantly an experimental study into the investigation into the mechanisms of noise generation from this latest generation of high-speed fans. Particular emphasis will be given to ‘installation effects’ on the noise. Compared to their uninstalled levels their noise is known to increase once installed in the machine since the air passing through the fan, after flowing through the machine, becomes distorted and turbulent.

The project will use state-of-the-art measurement techniques for characterising the noise and the flow with the objective of understanding the noise generation mechanisms, and hence provide solutions for its mitigation. The experiments will take place on a new fan rig designed and built by Dyson at the University of Southampton.

The successful PhD candidate will join the Acoustics group at the Institute of Sound and Vibration Research (ISVR). The ISVR is recognised as one of the world’s leading centres for the investigation of sound and vibration phenomena. Applications are invited from prospective UK candidates with an excellent degree (or an equivalent standard in other qualifications approved by the University) in a relevant mathematics, science or engineering subject. Strong mathematical skills will be an advantage.

The studentship will be fully-funded including paid tuition fees (UK rate). We are fortunate that we are able to pay an enhanced tax-free stipend that is significantly greater than the standard rate. Regular interaction with staff at Dyson is anticipated together with visits to the company.

If you wish to discuss any details of the project informally, please contact Prof. Phil Joseph Research Group, Email: [Email Address Removed], Tel: +44 (0) 2380 59 9458

Entry Requirements

A very good undergraduate degree (at least a UK 2:1 honours degree, or its international equivalent).

Closing date: This position will be filled based on first come first serve bases. Applications should be received no later than 30 September 2022 for standard admissions. 

 Funding: full tuition plus, for UK students, an enhanced stipend of £20,000 tax-free per annum for up to 3.5 years.

How To Apply

Applications should be made online. Select programme type (Research), 2022/23, Faculty of Physical Sciences and Engineering, next page select “PhD Engineering & Environment (Full time)”. In Section 2 of the application form you should insert the name of the supervisor Phillip Joseph

Applications should include:

Research Proposal

Curriculum Vitae

Two reference letters

Degree Transcripts to date

Apply online: https://www.southampton.ac.uk/courses/how-to-apply/postgraduate-applications.page

For further information please contact: [Email Address Removed]

The School of Engineering is committed to promoting equality, diversity inclusivity as demonstrated by our Athena SWAN award. We welcome all applicants regardless of their gender, ethnicity, disability, sexual orientation or age, and will give full consideration to applicants seeking flexible working patterns and those who have taken a career break. The University has a generous maternity policy, onsite childcare facilities, and offers a range of benefits to help ensure employees’ well-being and work-life balance. The University of Southampton is committed to sustainability and has been awarded the Platinum EcoAward.


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