• Application Deadline
  • 36 months
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Swirling flows are commonly present in flow separation devices used for air and water filtration (e.g. automotive particulate matter filters, cyclone separators, microfiltration and water treatment devices). The Swirling flows for air and water filtration program is offered by Coventry University.

In some cases, swirl is the intrinsic part of the system, in others it is introduced to improve system filtration efficiency, while reducing fouling and other undesirable phenomena. Swirl also increases the residence time within the system. 

However, very high swirl levels result in high flow losses and flow non-uniformities, caused by formation of central recirculation zone and time-dependent instabilities.

Research Opportunity

Understanding complex characteristics of swirling flows is crucial for design of efficient filtration systems, and this project is focused on development of novel experimental and numerical techniques swirling flows in particle filtration applications. Thus, the aim of this project is experimental and numerical investigation of swirling flows in filtration applications.

The project will involve design of bespoke experimental flow rigs, pressure, temperature and flow measurements (Hot Wire Anemometry and Particle Image Velocimetry) in different simplified filtration flow configurations, and development of numerical methods for flow and particle transport modelling.

Detailed Programme Facts

Programme Structure

Training and Development
  • The successful candidate will receive comprehensive research training including technical, personal and professional skills.
  • All researchers at Coventry University (from PhD to Professor) are part of the Doctoral College and Centre for Research Capability and Development, which provides support with high-quality training and career development activities. 

English Language Requirements

You need the following IELTS score:

  • Minimum required score:


    The IELTS – or the International English Language Test System – tests your English-language abilities (writing, listening, speaking, and reading) on a scale of 1.00–9.00. The minimum IELTS score requirement refers to which Overall Band Score you received, which is your combined average score. Read more about IELTS.

    Get a free IELTS practice test

Academic Requirements

You need the following GPA score:

Required score: Upper Second Class

Applicants for graduate programs must have the equivalent of a bachelor’s degree with a minimum GPA equivalent to Upper Second Class on the UK Honour scale. Admitted applicants typically have an undergraduate GPA of or better on the UK Honour scale. No exam grade should be lower than 4.5 (European grade scale) or D (American grade scale).

Your GPA (Grade Point Average) is calculated using the grades that you received in each course, and is determined by the points assigned to each grade (e.g. for the US grading scale from A-F).

General Requirements

  • A minimum of a 2:1 first degree in a relevant discipline/subject area with a minimum 60% mark in the project element or equivalent with a minimum 60% overall module average. 
  • the potential to engage in innovative research and to complete the PhD within a 3.5 years

Additional items for candidate specification

  • excellent analytical skills and a deep knowledge of Fluid Mechanics are essential
  • experience in CFD modelling, coding (in particular Matlab) and experimental flow work are desirable

Tuition Fee

  • International

    Tuition Fee
    Based on the original amount of 0 GBP per year and a duration of 36 months.
  • EU/EEA

    Tuition Fee
    Based on the original amount of 0 GBP per year and a duration of 36 months.
We've labeled the tuition fee that applies to you because we think you are from and prefer over other currencies.

Bursary plus tuition fees  (UK/EU/International)

Living costs for Coventry

  • 656 - 1060 GBP/month
    Living Costs

The living costs include the total expenses per month, covering accommodation, public transportation, utilities (electricity, internet), books and groceries.


Check the programme website for information about funding options.

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Swirling flows for air and water filtration
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