Contact Dr Laszlo Konozsy
Areas of expertise
- Advanced Casting Science and Technologies
- Computational Fluid Dynamics
- Computing, Simulation & Modelling
- Defence Sensors
- Energy and the Environment
- Flight Physics
- Food Safety
- Nanotechnology
- On-Road Vehicle Dynamics
- Process Systems Engineering
- Renewable Energy
- Vehicle Aerodynamics
- Water Science and Engineering
Background
Dr. Konozsy received his first PhD degree in engineering sciences at the University of Miskolc, in Hungary (2004). Prior to his position at Cranfield University, he was a guest research fellow at the University of Siegen (2003) and at the Otto-von-Guericke-University Magdeburg (2005), in Germany. He was working on mathematical modelling and numerical method development of isothermal and non-isothermal turbulent flows by using a stochastical turbulence model. He held an assistant professor position at the University of Miskolc teaching for seven years in the Hungarian Higher Education system. He became a post-doctoral research fellow at the University of Leoben, in Austria, 2006. He took part in and led industrially sponsored research projects working on modelling of multiphase and multicomponent solidification and melting processes of ingot casting. His interest turned to the field of micro- and nanofluidic applications in particular to multiphysics modelling of complex fluid dynamics processes at small physical length scales.Dr. Konozsy decided to further educate himself for a second Ph.D. degree at Cranfield University in the field of computational fluid dynamics (CFD) and multiphysics modelling.
Currently, he is working on and developing different numerical methods for complex physical problems with strong collaboration with industry both national and international levels.
Current activities
- Development and implementation of an acoustic streaming model for acoustic liquid manipulation (ALM) in microgravity environment for space applications.
- Improvement of a three-dimensional anisotropic stochastical turbulence model in particular to external flows for automotive/motorsport industrial applications.
- Modelling multiphase and multi-component solidification and melting processes including thermodynmaics for predicting macrosegregation in industrial size ingots.
- Mathematical model development for designing high-tech micro- and nanofluidic sensors including modelling of ssDNA and dsDNA flows.
- Development of a novel unified method for solving the incompressible Navier-Stokes equations in the framework of Godunov-type methods.
- Multiphysics modelling of microfluidic devices and industrial applications including non-Newtonian fluid dynamics and magnetohydrodynamics.
- ILES/RANS turbulence modelling for industrial applications.
- Development of analytical and numerical methods for solving ordinary and partial differential equations.
- Method and software development of high-order mesh generation methods.
- Development of digital image processing method and computer codes for two-phase cavitation flows.
Clients
- European Space Agency (ESA)
- Magnaparva Ltd. UK
- Aircraft Research Association (ARA) Ltd. UK
- Ricardo Ltd. UK, Reaction Engines Ltd. UK
- AWE Ltd. UK
- Pilbeam Racing Designs Ltd. UK
- DAF Trucks Company (The Netherlands)
- M.I.E. Ltd. UK, Cadminton Ltd. UK
- Lionix (The Netherlands)
- Böhler Edelstahl GmBH & Co KG Steel Production Company (Austria)
- Lambda GmBH (Austria)
- MAL Rt. (Hungary)
- MIVIZ Rt. (Hungary)
Publications
Articles In Journals
- Righi M, Pachidis V & Konozsy L (2020) On the prediction of the reverse flow and rotating stall characteristics of high-speed axial compressors using a three-dimensional through-flow code, Aerospace Science and Technology, 99 (April) Article No. 105578.
- Fecser N, Konozsy L, Ledos N & Balázs S (2020) Examining centrifugal pump BKS300 on cavitation, Hidraulica, 3 (September) 67-75.
- Bagul P, Rana ZA, Jenkins KW & Könözsy L (2020) Computational engineering analysis of external geometrical modifications on the MQ-1 unmanned combat aerial vehicle, Chinese Journal of Aeronautics, 33 (4) 1154-1165.
- Casadei L, Könözsy L & Lawson NJ (2019) Unsteady detached-eddy simulation (DES) of the Jetstream 31 aircraft in one engine inoperative (OEI) condition with propeller modelling, Aerospace Science and Technology, 91 (August) 287-300.
- Teschner T-R, Könözsy L & Jenkins KW (2019) A generalised and low-dissipative multi-directional characteristics-based scheme with inclusion of the local Riemann problem investigating incompressible flows without free-surfaces, Computer Physics Communications, 239 (June) 283-310.
- Righi M, Pachidis V, Könözsy L & Pawsey L (2018) Three-dimensional through-flow modelling of axial flow compressor rotating stall and surge, Aerospace Science and Technology, 78 (July) 271-279.
- Teschner TR, Könözsy L & Jenkins KW (2018) Predicting non-linear flow phenomena through different characteristics-based schemes, Aerospace, 5 (1) Article No. 22.
- Zingaro A & Könözsy L (2018) Discontinuous Galerkin finite element investigation on the fully-compressible Navier–Stokes equations for microscale shock-channels, Aerospace, 5 (1) Article No. 16.
- Frank M, Kio M, Drikakis D, Könözsy L & Asproulis N (2018) Mass and stiffness effects on thermal resistance at the solid–liquid interface of nanofluidic channels, Journal of Computational and Theoretical Nanoscience, 15 (1) 141-146.
- Szőke M, István Józsa T, Koleszár A, Moulitsas I & Könözsy L (2017) Performance evaluation of a two-dimensional lattice Boltzmann solver using CUDA and PGAS UPC based parallelisation, ACM Transactions on Mathematical Software, 44 (1) Article No. 8.
- Sebastia-Saez D, Gu S, Könözsy L, Repke JU & Arellano-García H (2017) On the effect of the Froude number on the interface area of gravity-driven liquid rivulets, Chemical Engineering Research and Design, 130 (February) 208-2018.
- El Rafei M, Konozsy L & Rana ZA (2017) Investigation of numerical dissipation in classical and implicit large eddy simulations, Aerospace, 4 (4) 59-79.
- Salmon P, Könözsy L, Temple C & Grove S (2017) Numerical investigation on various heat exchanger performances to determine an optimum configuration for charge air cooler, oil and water radiators in F1 sidepods, Applied Thermal Engineering, 117 (May) 235-244.
- Teschner TR, Könözsy L & Jenkins KW (2016) Progress in particle-based multiscale and hybrid methods for flow applications, Microfluidics and Nanofluidics, 20 (4) Article No. 68.
- Silva EP, Nele M, Frutuoso e Melo PF & Könözsy L (2016) Underground parallel pipelines domino effect: an analysis based on pipeline crater models and historical accidents, Journal of Loss Prevention in the Process Industries, 43 315-331.
- Tsoutsanis P, Kokkinakis IW, Könözsy L, Drikakis D, Williams RJR & Youngs DL (2015) Comparison of structured- and unstructured-grid, compressible and incompressible methods using the vortex pairing problem, Computer Methods in Applied Mechanics and Engineering, 293 (August) 207-231.
- Könözsy L & Drikakis D (2014) A unified fractional-step, artificial compressibility and pressure-projection formulation for solving the incompressible Navier-Stokes equations, Communications in Computational Physics, 16 (5) 1135-1180.
- Könözsy L, Kharicha MS, Eck S, Wu M & Ludwig A (2010) Numerical and experimental investigation of NH4Cl solidification, Materials Science Forum, 649 367-372.
- Könözsy L, Ishmurzin A, Grasser M, Wu M, Ludwig A, Tanzer R & Schützenhöfer W (2010) Columnar to equiaxed transition during ingot casting using ternary alloy composition, Materials Science Forum, 649 349-354.
- Tanzer R, Schützenhöfer W, Reiter G, Fauland H-P, Könözsy L, Ishmurzin A, Wu M & Ludwig A (2009) Validation of a multiphase model for the macrosegregation and primary structure of high grade steel ingots, Metallurgical and Materials Transactions B - Process Metallurgy and Materials Processing Science, 40 (3) 305-311.
- Könözsy L, Ishmurzin A, Mayer F, Grasser M, Wu M & Ludwig A (2009) Numerical Investigation of Grid Influence on Formation of Macrosegregation, The International Journal of Cast Metals Research, 22 (1-4) 175-178.
- Kharicha MS, Eck S, Könözsy L, Kharicha A & Ludwig A (2009) Experimental and numerical investigations of NH4Cl solidification in a mould: Part 1: Experimental results, The International Journal of Cast Metals Research, 22 (1-4) 168-171.
- Könözsy L, Eck S, Kharicha MS, Wu M & Ludwig A (2009) Experimental and Numerical Investigations of NH4Cl Solidification in a Mould. Part 2: Numerical Results, The International Journal of Cast Metals Research, 22 (1-4) 172-174.
- Grasser M, Mayer F, Ishmurzin A, Könözsy L, Wu M & Ludwig A (2008) Numerical modelling of the effect of global transport phenomena on the microstructure formation, BHM, 153 (7) 253-256.
- Nyíri A & Könözsy L (2008) Curve fitting on empirical data when both variables are loaded by errors, Annals of the Faculty of Engineering Hunedoara - Journal of Engineering, VI (2) 17-32.
- Wu M, Könözsy L, Ludwig A, Schützenhöfer W & Tanzer R (2006) On the Formation of Macrosegregations in Steel Ingot Castings, Steel Research International, 77 (7) 1-9.
- Könözsy L (2003) Orthogonal curvilinear coordinate grid generation [Hungarian], Journal of GÉP, LIV (1) 38-39.
- Könözsy L (2003) Numerical computation of fully-developed turbulent channel flow based on the streamfunction-vorticity formulation, Acta Mechanica Slovaca, 3 449-454.
- Tolvaj B & Könözsy L (2002) A theoretical and experimental investigation of natural ventilation of industrial sheds, Acta Mechanica Slovaca, 2 421-426.
- Tolvaj B & Könözsy L (2002) Computer simulation of refrigeration technology of extruded food industrial production, Acta Mechanica Slovaca, 2 421-426.
- Nyíri A & Könözsy L (2001) A computational method for trajectories on a meridional section, the boundaries of which are given by discrete sets of points, Acta Mechanica Slovaca, 3 127-132.
Conference Papers
- Righi M, Pachidis V, Konozsy L, Zhao F & Vahdati M (2020) Three-dimensional low-order surge model for high-speed axial compressors. In: GPSS Global Power and Propulsion Chania 20 Technical Conference, Online, 7-9 September 2020.
- Figueroa-González A, Oliveira J, Teschner T-R, Könözsy L, Moulitsas I & Jenkins KW (2018) Validation of an in-house lattice Boltzmann solver for a multiphase flow application. In: 6th European Conference on Computational Mechanics (ECCM 6) and 7th European Conference on Computational Fluid Dynamics (ECFD 7), Glasgow, 11-15 June 2018.
- Józsa T, Szoke M, Teschner T, Könözsy L & Moulitsas I (2016) Validation and verification of a 2D lattice Boltzmann solver for incompressible fluid flow. In: ECCOMAS Congress 2016, 7th European Congress on Computational Methods in Applied Sciences and Engineering, Crete, 5-10 June 2016.
- Teschner T-R, Könözsy L & Jenkins KW (2016) Numerical investigation of an incompressible flow over a backward facing step using a unified fractional step, artificial compressibility and pressure projection (ESAC-PP) method. In: microCAD International Multidisciplinary Scientific Conference, 2016, Miskolc, 21-22 April 2016.
- Könözsy L, Scienza P & Drikakis D (2016) Validation of a magneto- and ferro-hydrodynamic model for non-isothermal flows in conjunction with Newtonian and non-Newtonian fluids. In: ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and Engineering, Crete, 5-10 June 2016.
- Klajbar C, Könözsy L & Jenkins KW (2016) A modified SSG/LRR-omega Reynolds stress model for predicting bluff body aerodynamics. In: ECCOMAS Congress 2016 VII European Congress on Computational Methods in Applied Sciences and Engineering, Crete, 5-10 June 2016.
- Klajbár C & Könözsy L (2016) Multiphase Eulerian simulations of a sedimentation process in a solid-fluid particle-laden flow. In: microCAD International Multidisciplinary Scientific Conference, 2016, Miskolc, 21-22 April 2016.
- Könözsy L, Drikakis D, Ashcroft M, Dixon A & Persson J (2015) Experimental and numerical investigation of acoustic liquid manipulation for trapping and positioning cryogenic propellants. In: 8th European Symposium on Aerothermodynamics for Space Vehicles, Lisbon, 2-6 March 2015.
- Könözsy L, Kokkinakis IW, Antoniadis AF, Rana ZA, Tsoutsanis P & Drikakis D (2015) High-order methods for shock wave turbulent boundary layer interaction. In: UK Turbulence Consortium Annual Review, Southampton, 3 September 2015.
- Kio M, Asproulis N, Könözsy L & Drikakis D (2014) Equilibrium molecular dynamics modeling of diffusion and adsorption of fluids in armchair single walled carbon-nanotube. In: 65th International Astronautical Congress (IAC-14): Our World Needs Space, 2014, Toronto, 29 September - 3 October 2014.
- Könözsy L & Drikakis D (2012) A coupled high-resolution fractional-step artificial compressibility and pressure-projection formulation for solving incompressible multi-species variable density flow problem at low reynolds numbers. In: European Congress on Computational Methods in Applied Sciences and Engineering, 2012 (ECCOMAS 2012), Vienna, 10 September - 14 October 2012.
- Könözsy L, Asproulis N & Drikakis D (2012) High-resolution characteristics-based Godunov-type method for modelling acoustic waves in conjunction with incompressible microscale laminar flow. In: 15th International Conference on Fluid Flow Technologies, Conference on Modelling Fluid Flow: CMFF2012, Budapest, 4-7 September 2012.
- Könözsy L & Drikakis D (2012) A unified fractional-step artificial-compressibility and pressure-projection formulation for solving incompressible, variable density mixing layer problem. In: 13th International Workshop on the Physics of Compressible Turbulent Mixing (IWPCTM13), Woburn, 16-20 July 2012.
- Mayer F, Gruber-Pretzler M, Könözsy L, Wu M & Ludwig A (2007) Numerical study of the shrinkage flow induced macrosegregation in continuous casting of steel. In: SteelSim 2007: 2nd International Conference of Simulation and Metallurgical Processes in Steelmaking, Graz/Seggau, 12-14 September 2007.
- Wu M, Könözsy L, Fjeld A & Ludwig A (2007) Understanding the macrosegregation formation in steel ingot castings: examples of multiphase modeling. In: SteelSim 2007: 2nd International Conference of Simulation and Metallurgical Processes in Steelmaking, Graz/Seggau, 12-14 September 2007.
- Wu M, Könözsy L, Fjeld A & Ludwig A (2007) Using a multiphase approach to study the mechanisms which cause macrosegregation. In: Recent development of modeling of casting and solidification processes: 7th Pacific Rim International Conference on Modeling of Casting and Solidification Processes, Dalian, 19-22 August 2007.
- Gruber-Pretzler M, Könözsy L, Mayer F, Wu M, Ludwig A, Mathiesen RH, Schaffer P & Arnberg L (2007) A numerical study of the impact of gravity and Marangoni force on the droplet distribution of hypermonotectic al-bi alloys. In: Solidification Processessing 2007: SP07: 5th Decennial International Conference on Solidification Processing, Sheffield, 23-25 July 2007.
- Könözsy L (2003) Numerical computation of fully-developed turbulent pipe flow based on the streamfunction-vorticity formulation. In: 12th International Conference on Fluid Flow Technologies, Conference on Modelling Fluid Flow: CMFF03, Budapest, 3-6 September 2003.
- Könözsy L (2003) Comparison of the analytical and numerical solution of fully-developed turbulent pipe flow. In: 4th International Conference of PhD students, University of Miskolc, 11-17 August 2003.
- Könözsy L (2003) Fully-developed turbulent pipe flow based on the vorticity transport. In: International Conference of Water Service Science: ICWSS-2003, Brno-Ubislav.
- Szabó Sz, Könözsy L, Benke M & Gyulai L (2003) Introduction of the Department of Fluid and Heat Engineering of the University of Miskolc. In: International Conference of Water Service Science: ICWSS-2003, Brno-Ubislav.
- Könözsy L & Benke M (2002) Comparison of the analytical and numerical solution of a one-dimensional non-stationary cooling problem. In: MicroCAD 2002: International Scientific Conference, Miskolc, 7-8 March 2002.
- Schifter F, Szabó Sz & Könözsy L (2001) Investigation of heat-exchangers of thermal water utilization system. In: Small Waterworks and Alternative Energy Power Source, 2001, Kosice.
- Könözsy L (2001) Mesh generation for the meridional section of a mixed-flow hydraulic machine with given discrete points on its boundary. In: 3rd International Scientific Conference of PhD Students, 2001, Miskolc.
- Könözsy L (2001) Ortogonális trajektóriák meghatározása egy járókerék meridian metszetében. In: 3rd International Scientific Conference of PhD Students, 2001, Miskolc.
- Könözsy L (2000) Determination of the trajectories on the meridional section of an impeller. In: MicroCAD 2000: International Computer Science Conference, Miskolc, 23-24 February 2000.
- Lakatos K, Tolvaj B & Könözsy L (2000) Analysis of energetic pipeline systems. In: MicroCAD 2000: International Computer Science Conference, Miskolc, 23-24 February 2000.
- Könözsy L (2000) Computation of a cavity downstream a sixty-degree wedge. In: MicroCAD 2000: International Computer Science Conference, Miskolc, 23-24 February 2000.
- Könözsy L (1999) Simulation possibilities of Kármán vortex street in two-dimensional cavitation flow [in Hungarian]. In: 2nd International Conference of PhD Students, Miskolc, 8-14 August 1999.
- Könözsy L (1999) The Kármán vorticities in cavitation flow. In: MicroCAD '99: International Computer Science Conference, Miskolc, 24-25 February 1999.
- Könözsy L Ortogonális görbevonalú koordinátahálózat létrehozása tetszőleges perempontokkal adott meridiáncsatornák esetén. In: PhD Students Conference, 2001, Miskolc.
Books
- Mantzalis D, Karantonis K, Mantzalis D, Asproulis N, Drikakis D & Könözsy L (2012) Computational Modelling of Aqueous Environments in Micro and Nanochannels. In: Detection of Pathogens in Water Using Micro and Nano-Technology. Zuccheri G, Asproulis N (ed.), London, New York: IWA Publishing, p. 135-161, ed. First.
- Baranyi L & Könözsy L (2006) Finite difference method. In: Numerical modelling of heat transfer and flow tasks [Hungarian]. Kalmár L, Baranyi L (ed.), University of Miskolc, p. 40-62.
- Könözsy L & Baranyi L (2006) Solution of linear system of equations. In: Numerical modelling of heat transfer and flow tasks [Hungarian]. Kalmár L, Baranyi L (ed.), University of Miskolc, p. 72-92.
- Baranyi L, Könözsy & L (2005) Solution of linear system of equations:. In: Numerical modelling of heat transfer and flow problems: HEFOP Lecture Notes (Under Contract HEFOP-3.3.1.-2004-06-0012/1.0), HEFOP 3.3.1-ME-AHT 5.3. EU-Project [Hungarian]. Kalmár L, Baranyi L, Könözsy L (ed.), University of Miskolc, p. 90-113.
- Könözsy L, Baranyi & L (2005) Finite difference method. In: Numerical modelling of heat transfer and flow problems: HEFOP Lecture Notes (Under Contract HEFOP-3.3.1.-2004-06-0012/1.0), HEFOP 3.3.1-ME-AHT 5.3. EU-Project [Hungarian]. Kalmár L, Baranyi L, Könözsy L (ed.), University of Miskolc, p. 46-79.