PROFESSOR HELEN J WILSON
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  • I'm interested in fluids that don't behave like the standard (air, water, honey) Newtonian model. This field has wide-ranging industrial applications - including plastics manufacture and the processing of toothpaste. I work on a variety of flow scenarios including particles suspended in a viscous fluid (for example, with my recent Ph.D. student Adam Townsend below and my current postdoc Jurriaan Gillissen); polymeric liquids (for instance, with my first Ph.D. student Sally Everitt); instabilities in elastic liquids (including work with my recent Ph.D. student Hugo Castillo Sanchez and a collaboration with Suzanne Fielding at Durham on shear-banding instabilities), and the doubly-complex question of particles suspended in a viscoelastic fluid with recently completed Ph.D. student Liam Escott and new student Luke Debono. Some of these systems also have applications in forensic science, which I'm studying with my current Ph.D. student Gareth Jenkins with sponsorship from Dstl.
  • Recent or current funded projects include:
    • Shear-thickening fluids for cryopreservation in which we began an exploration of whether interactions between particles in suspension could inhibit the growth of ice crystals. This work was led by Asymptote and funded by Innovate UK.
    • Complex ORAL health products (CORAL): Characterisation, modelling and manufacturing challenges. Here we worked with UCL Engineers and commercial sponsor GSK to investigate the rheology of three-phase suspensions in a viscoelastic matrix, with application to toothpastes. This work was funded by EPSRC.
    • Extensional Rheology Matters, a small project funded by EPSRC in which I aimed to develop tools to assess whether extensional flow components are important in a given flow situation.
Photo of Helen Wilson CC BY
  • Research Students
    Luke Debono: Coarse-grain simulations of complex systems. Started October 2021, UCL
    Gareth Jenkins: Mathematical modelling of trace contamination particles. Started October 2021, UCL
    Liam Escott: The rheology of weakly-viscoelastic multiphase systems using a cell model. 2019-2021, UCL
    Hugo Castillo Sanchez, PhD (2019): Channel flow instabilities of complex fluids, UCL
    Adam Townsend, PhD (2017): The mechanics of suspensions, UCL
    Thomas Brickell, MPhil (2012): General two-dimensional linear flows of particle suspensions, UCL
    Sally Everitt, PhD (2004): Bubble dynamics in polymeric foams, University of Leeds
  • Postdocs
    Complex oral health products: Jurriaan Gillissen. 2017-2020.
    Shear-thickening for cryopreservation: Adam Townsend, 2016.
    Instabilities in polymer processing: Mehmet Sahin, 2005-2007; Tim Reis, 2007-2008.
Image "Helen Wilson" can be reused under the CC BY license.
  • Location: Room 608, 25 Gordon Street
    Email: helen.wilson @ ucl.ac.uk
    Tel: +44 20 7679 1302 (31302 internal)
    Fax: +44 20 7383 5519
     

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