Dr Zahir Hussain BA MA Hons (Cantab) PhD FHEA

 

Research Lead in Fluid Dynamics

Aerospace & Computational Engineering (ACE) Group

National Lead for Boundary Layers & Complex Rotating Flows SIG, UK Fluids Network

Lecturer in Fluid Dynamics

School of Engineering, University of Leicester

University Road, Leicester LE1 7RH

Email: zh133(at)leicester.ac.uk

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Dr Zahir Hussain is currently a Lecturer and Research Lead in Fluid Dynamics at University of Leicester. As an applied mathematician, his research interests lie in the development of mathematical models and numerical methods to describe rotating boundary-layer fluid flows. He is an active researcher in the field of hydrodynamic stability theory, in which he has numerous journal and conference publications, most notably multiple recent outputs of international quality and standard. As an expert on the application of asymptotics and numerics to boundary-layer flows, he has developed a theoretical formulation to model the stability of air flow over sharp spinning bodies. Meanwhile, Dr Hussain maintains excellent links with researchers at Cambridge, Warwick and Sydney, Australia, and is National Lead of the UK Fluids Network (UKFN) Special Interest Group (SIG) on ‘Boundary Layers & Complex Rotating Flows’, as well as a member of ‘Flow Instability, Modelling and Control’. Along with a Visiting Research Fellow position at Sydney, Dr Hussain has recently developed collaborative links with KTH Royal Institute of Technology, Sweden, on three-dimensional rotating boundary-layer flows.

As an expert in hydrodynamic stability theory, Dr Hussain welcomes interest from skilled fluid mechanics researchers and potential PhD students to join his research team within ACE.

Academic Biography

Academic & professional qualifications

2009 PhD in Applied Mathematics (University of Birmingham)

2005 Advanced Studies in Mathematics - Part III (University of Cambridge)

2004 BA Hons in Mathematics, MA (University of Cambridge)

Teaching & Research Supervision

Undergraduate & Postgraduate teaching

TBA

Postgraduate supervision (completed/in progress)

Current research students

Matthew Fildes, PhD primary supervisor, 2018-

Bashar Al Saeedi, PhD primary supervisor, 2019-

Ben Smith, PhD secondary supervisor, 2019-

Mushrifa Al-Malki, PhD secondary supervisor, 2019-

Previous research students

PhD

Dr Robert Miller, secondary supervisor (2016-19) [awarded]

Dr Paul Griffiths, secondary supervisor  (2013-16) [awarded]

Dr Alistair Barrow, secondary supervisor (2010-13) [awarded]

Dr Paul Towers, secondary supervisor (2010-13) [awarded]

Masters

Matthew Fildes, MMath, supervisor (2017-18) [successfully graduated]

William Pikett, MMath, supervisor (2017-18) [successfully graduated]

Sophie Jackson, MMath, supervisor (2016-17) [successfully graduated]

Li-Yu Chang, MSc, supervisor (2013-14) [successfully graduated]

Bo Hu, MSc, supervisor (2013-14) [successfully graduated]

Samia Ijaz, MSc, supervisor (2013-14) [successfully graduated]

Prashray Khaire, MSc, supervisor (2013-14) [successfully graduated]

Li-Jun Wu, MSc, supervisor (2013-14) [successfully graduated]

Research Expertise, Publications & Grants

Research expertise

Fluid dynamics, hydrodynamic stability theory, boundary-layer transition over rotating bodies, aerodynamics, asymptotics, Chemical Vapour Deposition (CVD), non-Newtonian fluid flows, absolute and convective instabilities, non-modal stability theory, CFD of aerodynamically significant flows.

Academic collaborations

Determining the Effects of Competing Instabilities in Complex Rotating Boundary Layers (EP/R028699/1) - Dr Jay Unadkat (MMU), Post-doctoral supervisor, 2018-

Publications

Journal articles

R. Miller, PT. Griffiths, Z. Hussain, SJ. Garrett (2020). On the stability of a heated rotating-disk boundary layer in a temperature-dependent viscosity fluid. Physics of Fluids. 32(2), pp.024105-024105.

R. Miller, S. J. Garrett, P. T. Griffiths, Z. Hussain (2018). Stability of the Blasius boundary layer over a heated plate in a temperature-dependent viscosity flow. Physical Review Fluids. 3(11)(113902), pp.1-36.

P. T. Griffiths, S. J. Garrett, S. O. Stephen, Z. Hussain (2017). Quantifying non-Newtonian effects in rotating boundary-layer flows. European Journal of Mechanics - B/Fluids. 61(2), pp.304-309.

Z. Hussain (2017). Competing instabilities of rotating boundary-layer flows in an axial free-stream. European Journal of Mechanics - B/Fluids. 61, pp.316-320.

P. D. Towers, Z. Hussain, P. T. Griffiths, S. J. Garrett (2016). Viscous modes within the compressible boundary-layer flow due to a broad rotating cone. IMA Journal of Applied Mathematics. 81(5), pp.940-960.

Z. Hussain, S. J. Garrett, S. O. Stephen, P. T. Griffiths (2016). The centrifugal instability of the boundary-layer flow over a slender rotating cone in an enforced axial free stream. Journal of Fluid Mechanics. 788, pp.70-94.

Z. Hussain, S. J. Garrett, S. O. Stephen (2014). The centrifugal instability of the boundary-layer flow over slender rotating cones. Journal of Fluid Mechanics. 755, pp.274-293.

Z. Hussain, S. J. Garrett, S. O. Stephen (2012). The centrifugal instability of a slender rotating cone. Journal of Algorithms and Computational Technology. 6(1), pp.113-128.

Z. Hussain, S. J. Garrett, S. O. Stephen (2011). The instability of the boundary layer over a disk rotating in an enforced axial flow. Physics of Fluids. 23(11)(114108), pp.1-13.

S. J. Garrett, Z. Hussain, S. O. Stephen (2010). Boundary-Layer Transition on Broad Cones rotating in an Imposed Axial Flow. AIAA Journal. 48(6), pp.1184-1194.

S. J. Garrett, Z. Hussain, S. O. Stephen (2009). The cross-flow instability of the boundary layer on a rotating cone. Journal of Fluid Mechanics. 622, pp.209-232.

Conferences

P. T. Griffiths, R. Miller, Z. Hussain, S. J. Garrett (2019). Temperature dependent boundary-layer flows. In: Proceedings of the 8th Bifurcations and Instabilities in Fluid Dynamics Symposium. Limerick, Ireland, 16/7/2019.

Z. Hussain, J. Unadkat, S. J. Garrett, S. O. Stephen (2018). Recent developments on the stability of boundary-layer flow over a rotating cone. In: Proceedings of the 1st UKFN Conference. Manchester, UK, 4/9/2018.

Z. Hussain (2016). Competing instabilities of rotating boundary-layer flows in an axial free-stream. In: Proceedings of the 16th ISROMAC 2016. Honolulu, USA, 10/4/2016.

Z. Hussain, S. Garrett, S. Stephen (2014). Centrifugal Instability over a Rotating Cone. In: Proceedings of the 19th AFMC. Melbourne, Australia, 8/12/2014. pp.1047-1050.

S. J. Garrett, Z. Hussain (2014). The centrifugal stability of the boundary-layer flow over slender rotating cones. In: Bulletin of the American Physical Society. San Francisco, CA, USA, 23/11/2014.

S. J. Garrett, Z. Hussain, A. Barrow, P. D. Towers (2010). Boundary-layer transition over aerodynamically-significant rotating bodies. In: Bulletin of the American Physical Society. Los Angeles, CA, USA, 21/11/2010.

Z. Hussain, S. J. Garrett, S. O. Stephen (2010). The centrifugal instability of the boundary layer on a slender rotating cone in a forced free-stream. In: Bulletin of the American Physical Society. Los Angeles, CA, USA, 21/11/2010.

Z. Hussain, S. J. Garrett, S. O. Stephen (2010). The centrifugal instability of the boundary layer on a slender rotating cone. In: Book of Abstracts of 8th European Fluid Mechanics Conference. Bad Reichenhall, Germany, 13/9/2010.

Z. Hussain, SJ. Garrett, SO. Stephen (2010). Transition mechanisms within the boundary-layer flow over slender vs. broad rotating cones. In: 40th AIAA Fluid Dynamics Conference. Chicago, IL, USA, 28/6/2010.

S. J. Garrett, Z. Hussain, S. O. Stephen (2009). Boundary-Layer Transition on Broad Cones Rotating in an Imposed Axial Flow. In: Proceedings of the 39th AIAA Fluid Dynamics Conference, Paper AIAA-2009-3810. San Antonio, TX, USA, 22/6/2009.

Z. Hussain, S. J. Garrett, S. O. Stephen (2008). The crossflow instability of the boundary layer on a rotating cone. In: Book of Abstracts of 7th European Fluid Mechanics Conference. Manchester, UK, 14/9/2008.

Z. Hussain, S. O. Stephen (2007). Instability of the 3D boundary layer flow over a rotating cone. In: Bulletin of the American Physical Society. Salt Lake City, UT, USA, 18/11/2007.

Expert reviewer for journals & publishers

Reviewer of journal articles for Journal of Fluid MechanicsPhysics of Fluids and European Journal of Mechanics.

Grants

2018 EPSRC New Investigator Award - £190k

2018 Faculty Award for a funded PhD Studentship on the Fluid Dynamics of Rotating Boundary Layers - £60k

Awards, Honours & Distinctions

Prizes & awards

2015 Faculty Award for fully funded PhD Studentship in Fluid Mechanics, £60k

2012 Innovation Fellowship: 'Capturing the commercial value in theoretical and computational studies of model fluid flows with engineering significance', £20k

Visiting & honorary positions

Visiting Research Fellowship to Sydney, Australia in 2019, £3k

Visiting Research Fellowship to KTH Royal Institute of Technology, Sweden in August, 2017, £1k

Visiting Research Fellowship to UNSW Sydney, Australia in December 2014, £2.5k

Membership of professional associations

American Physical Society

UK Fluids Network

Fellow of the HEA

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