Advanced experimental techniques are used to investigate the flow physics and develop methods for reducing the adverse effects of shockwave-boundary layer interaction and improving the controllability of hypersonic vehicles. The group has extensive experience in numerical simulations of chemically and thermodynamically non-equilibrium hypersonic flows, heat and mass transfer in free-molecular, transitional and continuum regimes of flows which also incorporate turbulence, chemical reactions and radiation.
- Application of structured and unstructured grids (prisms, pyramids, hexahedrons, tetrahedrons) for complex 3D configurations
- Numerical modeling of laminar-turbulent transition in hypersonic flows
- Numerical modeling of equilibrium & non-equilibrium chemical processes and rarefied gases
- Development of high-performance algorithms based on domain decomposition
- Development of advanced flow visualization and measurement techniques for hypersonic flow applications
- Investigation of flow physics of shockwave-boundary layer interactions and associated heat transfer phenomena
- Control of shockwave-boundary layer interactions using both passive and active flow control technologies
The applications of our research include the design and optimisation of
- Hypersonic re-entry space vehicles
- Engine inlets of hypersonic air breathing vehicles
- Between 2011 and 2013, Dr S Utyuzhnikov was the Academic Advisor at the Hypersonic Laboratory supported by a £3m grant from the Russian Government for attracting world-leading scientists to top Russian universities.
- Research collaboration with TsAGI and Moscow Institute of Physics & Technology (MIPT).
We have a blow-down hypersonic wind tunnel which is capable of delivering a steady hypersonic flow at M=4, 5 and 6 with a run time of about 7 seconds. The wind tunnel is equipped with:
- A model mounting string which allows the measurement of aerodynamic forces on a model at a range of incidence angles
- High-speed Schlieren visualisation system
- Full-surface temperature and pressure measurement systems (temperature- and pressure-sensitive paints)
- 2D PIV system.
In-house CFD codes have been developed to enable:
- High accuracy approximation of governing equations for complex geometries
- Use of different formats for computational grids (Pointwise, ICEM, lab's generator)
- Adaptation to different architecture of high performance computers
- Combined use of very different numerical solvers
- Near-wall domain decomposition for turbulence modelling (Dr S Utyuzhnikov)
- Development of RANS models for hypersonic flows (Dr S Utyuzhnikov & Prof H Iacovides)
- Experimental study of shockwave-boundary layer interaction control (Dr S Zhong)
- Utyuzhnikov, S.V., Tirskiy G.A., “Hypersonic Aerodynamics and Heat Transfer”, Begell House, NY, ISBN: 978-1-56700-309-3, 2013.
- Utyuzhnikov, S.V., “Towards development of unsteadynear-wall interface boundary conditions for turbulence modelling”, Computer Physics Communications, 2014, 185 (11): 2879-2884.
- Garanzha, V.A., Kudryavtseva, L.N., Utyuzhnikov, S.V., Variational method for untangling and optimization of spatial meshes, J. Computational and Applied Mathematics, 2014, 269: 24-41.
- Aleksin, V.A., Utyuzhnikov, S.V., “Implementation of nearwall boundary conditions for modelling boundary layers with free-stream turbulence”, Applied Mathematical Modelling, 2014, 38 (14): 3591-3606.
- Fedorov, A.V., Ryzhov, A.A., Soudakov, V.G., Utyuzhnikov, S.V., “Numerical simulation of the effect of local volume energy supply on high-speed boundary layer stability”, Computers & Fluids, 2014, 100: 130-137.
- Titarev, V.A., Dumbser, M., Utyuzhnikov, S.V., “Construction and comparison of parallel implicit kinetic solvers in three spatial dimensions”, Computational Physics, 2014, 256:17-33.
- Titarev, V.A, Shakhov, E.M., Utyuzhnikov, S.V., “Rarefied gas flow through a long conical pipe into vacuum”, Vacuum, 2014, V.101: 10-17.
- Bountin, D., Chimitov, T., Maslov, A., Novikov A., Egorov, I., Fedorov, A., Utyuzhnikov S., Stabilization of a hypersonic boundary layer using a wavy surface, AIAA J., 2013, 51 (5): 1203-1210.
- Fedorov, A.V., Ryzhov, A.A., Soudakov, V.G., Utyuzhnikov, S.V., “Receptivity of High-Speed Boundary Layer to Temperature Spottiness”, J. Fluid Mechanics, 2013, 722: 533-553.
- Brykina, I.G., Rogov, B.V., Tirskiy, G.A., Titarev, V.A., Utyuzhnikov, S.V., “A comparative analysis of approaches for investigating hypersonic flow over blunt bodies in a transitional regime”, J. Applied Mathematics and Mechanics, 2013: 77 (1): 9-16.
- Dumbser, M., Titarev, V.A., Utyuzhnikov, S.V., “Implicit multiblock method for solving a kinetic equation on unstructured meshes”, Comput. Math. & Math. Phys., 2013, 53 (5): 601-615.
- Titarev, V.A., Utyuzhnikov, S.V., and Shakhov, E.M., “Rarefied gas flow through a pipe of variable square cross section into vacuum”, Comput. Math. & Math. Phys., 2013, 53 (8): 1221 – 1230.
- Yakunchikov, A., Kovalev, V.L., and Utyuzhnikov, S.V., “Analysis of Gas-Surface Scattering Models Based on Computational Molecular Dynamics”, J. Chemical Physics Letters, 2012, 554: 215-230.
- Utyuzhnikov, S.V., “Interface boundary conditions in nearwall turbulence modeling”, Computers & Fluids, 2012, 68: 186-191.
- Brykina, I.G., Rogov, B.V., Tirskiy, G.A., Utyuzhnikov, S.V., “The effect of surface curvature on the boundary conditions in the viscous shock layer model for hypersonic rarefied gas flow”, J. Applied Mathematics and Mechanics, 2012: 76 (6): 677-687.