Dr Julia Rees

Position: Reader
Home page: http://www.jrees.staff.shef.ac.uk
Telephone: (0114) 2223782
Office: H21 Hicks building


MAS248 Mathematics III (Chemical) Information uses MOLE
MAS340 Mathematics (Computational Methods) Information  
MAS5050 Mathematical Methods for Statistics Information  


Interests: Microfluidics, Microbubble technology, Engineering fluid dynamics, Stratified flows
Research groups: Fluid Dynamics, Environmental Dynamics
Publications: Preprint page, MathSciNet


Current grants, as Coinvestigator
Enhanced Biofuel Production via Integretad Microbubble Technology
Past grants, as Principal Investigator
Internal gravity waves in the stable atmospheric boundary layer NERC
Past grants, as Coinvestigator
Microbubble Cloud Generation EPSRC
European study group with industry ESGI2000 EPSRC


Dr Rees has a BSc Hons in Mathematics from the University of Leeds, a PhD in Applied Maths, again from Leeds, and an MEd from the University of Sheffield. She currently holds the position of Reader in Engineering Fluid Dynamics in the School of Mathematics and Statistics at the University of Sheffield.

Research interests:

I undertake research into a wide range of problems that involve fluid mechanics. I have successfully supervised many Phd students - please get in touch if you are interested in doing a Phd!

Engineering Fluid Dynamics

My research interests are motivated by the desire to better understand the behaviour of fluids in order to make advances in practical engineering systems. My work involves collaborations with engineering industrial partners, as well as with colleagues from the Faculty of Engineering here at Sheffield. I am particularly interested in micro-bubble mediated flows - this refers to flows where the injection of a stream of small micro-bubbles significantly improves transfer rates. This has applications to a wide range of applications, including distillation and water purification.


Rheology is the field of scientific research that investigates "how a fluid flows". I am particularly interested in fluids that don't follow the standard rules of Newtonian fluids. Such fluids are called complex or non-Newtonian fluids. My work in this area has involved experiments, asymptotic analysis and CFD modelling.

Microfluidics for Biotechnology

My research focuses on the solution of inverse problems that arise in the sensing and control of lab-on-a-chip chemical analysis and chemical microreactor applications, and path-lab-on-a-chip biomedical analysis. The work involves modelling flow in microchannels and is carried out in collaboration with the Microfluidics Group from the Department of Chemical and Process Engineering at the University of Sheffield.


My work involves modelling of the stably stratified atmospheric boundary layer and the analysis of meteorological observations. The Earth's boundary layer supports varied and complex waveforms, from internal gravity waves to turbulent eddies. I am particularly interested in large amplitude, solitary waves. In recent years this work has involved collaborations with the British Antarctic Survey, Meteorological Office and the Complutense University of Madrid.

Teaching interests:

I have taught a wide-range of Maths modules, both for specialist Mathematics Undergraduates and for Engineering Undergraduates. I have an MEd in Teaching and Learning for University Lecturers, awarded by the University of Sheffield.