How to acknowledge the funding?
This work is supported by the Priority Programme SPP 1881 Turbulent Superstructures of the Deutsche Forschungsgemeinschaft.
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<Full names of all authors, abbreviated and stacked as indicated below>, <title>, <journal> <journal volume>, <article number or its pages> (<year of publication>) - PDFs of all reported publications.
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- Submit the email to: spp1881@tu-ilmenau.de
Publications of this program
P. P. Vieweg, A. Klünker, J. Schumacher and K. Padberg-Gehle, Lagrangian studies of coherent sets and heat transport in constant heat flux-driven turbulent Rayleigh–Bénard convection, Eur. J. Mech. B-Fluids 103, 69–85 (2024).
T. Käufer, P. P. Vieweg, J. Schumacher and C. Cierpka, Thermal boundary condition studies in large aspect ratio Rayleigh–Bénard convection, Eur. J. Mech. B-Fluids 101, 283–293 (2023).
A. Andreolli, D. Gatti, R. Vinuesa, R. Örlü, P. Schlatter, Separating large-scale superposition and modulation in turbulent channels, J. Fluid Mech. 958, A37 (2023).
C. Kästner, J. D. Schneider, R. du Puits, Evolution and Features of Dust Devil-Like Vortices in Turbulent Rayleigh-Bénard Convection - An Experimental Study, J. Geophys. Res. Atmos. 128, e2022JD037466 (2023).
D. Feldmann, D. Borrero-Echeverry, M. J. Burin, K. Avila, M. Avila, Routes to turbulence in Taylor–Couette flow, Philos. T. Roy. Soc. A 381, 20220114 (2023).
M. Avila, D. Barkley, B. Hof, Transition to Turbulence in Pipe Flow, Ann. Rev. Fluid Mech. 55, 575-602 (2023).
S. Weiss, D. Schanz, A. O. Erdogdu, A. Schröder, J. Bosbach, Investigation of turbulent superstructures in Rayleigh-Bénard convection by Lagrangian particle tracking of fluorescent microspheres, Exp. Fluids 64, 82 (2023).
S. Weiss, D. Schanz, A. O. Erdogdu, A. Schröder, J. Bosbach, Investigation of turbulent superstructures in Rayleigh-'enard convection by Lagrangian particle tracking of fluorescent microspheres, Proceedings of the 20th International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics, 2334-2349 (2023).
J. Bosbach, D. Schanz, P. Godbersen, A. Schröder, Dynamics of Coherent Structures in Turbulent Rayleigh-Bénard Convection by Lagrangian Particle Tracking of Long-Lived Helium Filled Soap Bubbles, Proceedings of the 20th International Symposium on the Application of Laser and Imaging Techniques to Fluid Mechanics, 2691-2711 (2023).
M. Sharifi Ghazijahani, C. Kästner, V. Valori, A. Thieme, K. Täschner, J. Schumacher, C. Cierpka, The SCALEX facility - an apparatus for scaled fluid dynamical experiments, Tech. Mess. (2023).
N. Ali, J. P. Mellado, M. Wilczek, A Wavenumber–Frequency Spectrum Model for Sheared Convective Atmospheric Boundary Layer Flows, J. Atmos. Sci. 8, 763-776 (2023).
B. Ghaffari, D. Gatti, R. Westermann, Spatio-Temporal Visual Analysis of Turbulent Superstructures in Unsteady Flow, IEEE T. Vis. Comput. Gr., accepted (2022).
P. P. Vieweg, J. D. Scheel, R. Stepanov, J. Schumacher, Inverse cascades of kinetic energy and thermal variance in three-dimensional horizontally extended turbulent convection, Phys. Rev. Research 4, 043098 (2022).
L. H. von Deyn, D. Gatti, B. Frohnapfel, From drag-reducing riblets to drag-increasing ridges, J. Fluid Mech. 951, A16 (2022).
D. Gatti, A. Stroh, B. Frohnapfel, R. Örlü, Spatial resolution issues in rough wall turbulence, Exp. Fluids 63, 63 (2022).
C. Chi, D. Thévenin, A. J. Smits, S. Wolligandt, H. Theisel, Identification and analysis of very-large-scale turbulent motions using multi-scale proper orthogonal decomposition, Phys. Rev. Fluids 7, 084603 (2022).
S. Moller, T. Käufer, A. Pandey, J. Schumacher, C. Cierpka, Combined particle image velocimetry and thermometry of turbulent superstructures in thermal convection, J. Fluid Mech. 945, A22 (2022)
K. Fodor, J. P. Mellado, A. Haghshenas, On the Non-monotonic Variation of the Entrainment Buoyancy Flux with Wind Shear, Bound.-Layer Meteorol. (2022)
C. Schneide, P. P. Vieweg, J. Schumacher, K. Padberg-Gehle, Evolutionary clustering of Lagrangian trajectories in turbulent Rayleigh–Bénard convection flows, Chaos 32, 013123 (2022)
L. H. von Deyn, M. Schmidt, R. Örlü, A. Stroh, J. Kriegseis, B. Böhm, B. Frohnapfel, Ridge‑type roughness: from turbulent channel flow to internal combustion engine, Exp. Fluids 63, 18 (2022)
S. Brizzolara, J.-P. Mollicone, M. van Reeuwijk, A. Mazzino, M. Holzner, Transition from shear-dominated to Rayleigh–Taylor turbulence, J. Fluid Mech. 925, A10 (2021)
S. Brizzolara, M. E. Rosti, S. Olivieri, L. Brandt, M. Holzner, A. Mazzino, Fiber Tracking Velocimetry for Two-Point Statistics of Turbulence, Phys. Rev. X 11, 031060 (2021)
A. Andreolli, M. Quadrio, D. Gatti, Global energy budgets in turbulent Couette and Poiseuille flows, J. Fluid Mech. 924, A25 (2021)
J. Bosbach, D. Schanz, P.Godbersen, A. Schröder, Spatially and temporally resolved measurements of turbulent Rayleigh-Bénard convection by Lagrangian particle tracking of long-lived helium-filled soap bubbles, 14th International Symposium on Particle Image Velocimetry (ISPIV 2021), (2021)
G. Haller, N. Aksamit, A. P. Encinas-Bartos, Quasi-objective coherent structure diagnostics from single trajectories, Chaos 31, 043131 (2021)
F. Kaiser, M. von der Burg, J. Sommeria, S. Viboud, B. Frohnapfel, D. Gatti, D. E. Rival, J. Kriegseis, Reynolds-number scaling of a vorticity-annihilating boundary layer, J. Fluid Mech. 924, A11 (2021)
H. Otto, C. Cierpka, Influence of thermal stratification on vertical natural convection – Experimental investigations on the example of thermal energy storage systems, Phys. Fluids 33, 083614 (2021)
T. Vogt, J.-C. Yang, F. Schindler, S. Eckert, Free-fall velocities and heat transport enhancement in liquid metal magneto-convection, J. Fluid Mech. 915, A68 (2021)
P. Reiter, O. Shishkina, D. Lohse, D. Krug, Crossover of the relative heat transport contributions of plume ejecting and impacting zones in turbulent Rayleigh–Bénard convection, Europhys. Lett. 135, 34002 (2021)
P. Berghout, P. A. Bullee, T. Fuchs, S. Scharnowski, C. J. Kähler, D. Chung, D. Lohse, S. G. Huisman, Characterizing the turbulent drag properties of rough surfaces with a Taylor–Couette set-up, J. Fluid Mech. 919, A45 (2021)
A. Blass, R. Verzicco, D. Lohse, R. J. A. M. Stevens, D. Krug, Flow organisation in laterally unconfined Rayleigh–Bénard turbulence, J. Fluid Mech. 906, A26 (2021)
X. Zhu, R. J. A. M. Stevens, O. Shishkina, R. Verzicco, D. Lohse, Nu ~ Ra^1/2 scaling enabled by multiscale wall roughness in Rayleigh–Bénard turbulence, J. Fluid Mech. 869, R4 (2019)
Q. Wang, H.-R. Liu, R. Verzicco, O. Shishkina, D. Lohse, Regime transitions in thermally driven high-Rayleigh number vertical convection, J. Fluid Mech. 917, A6 (2021)
P. Reiter, X. Zhang, R. Stephanov, O. Shishkina, Generation of zonal flows in convective systems by travelling thermal waves, J. Fluid Mech. 913, A13 (2021)
Q. Wang, D. Lohse, O. Shishkina, Scaling in Internally Heated Convection: A Unifying Theory, Geophys. Res. Lett. 48, e2020GL091198 (2021)
R. Yang, K. L. Chong, Q. Wang, R. Verzicco, O. Shishkina, D. Lohse, Periodically Modulated Thermal Convection, Phys. Rev. Lett. 125, 154502 (2020)
T. Bätge, M. Wilczek, Small-scale averaging coarse-grains passive scalar turbulence, Phys. Rev. Fluids 6, 064503 (2021)
P. Berghout, W. J. Baars, D. Krug, The large-scale footprint in small-scale Rayleigh–Bénard turbulence, J. Fluid Mech. 911, A62 (2021)
E.-S. Zanoun, C. Egbers, Y. Dewidar, Two-Point Velocity Correlations in Fully Developed Turbulent Pipe Flow at Shear Reynolds Number of Re_tau ~ 4000, Proc. Appl. Math. Mech. 20, e202000330 (2021)
S. Richter, E.-S. Zanoun, C. Egbers, Investigation of Large Scale Motion Interaction with the Near-Wall Turbulence, Proc. Appl. Math. Mech. 20, e202000331 (2021)
E.-S. Zanoun, C. Egbers, H. Nagib, F. Durst, G. Bellani, A. Talamelli, Wall friction relations in wall-bounded shear flows, Eur. J. Mech. B-Fluids 89, 171-179 (2021).
C. C. Lalescu, M. Wilczek, Transitions of turbulent superstructures in generalized Kolmogorov flow, Phys. Rev. Research 3, L022010 (2021)
P. P. Vieweg, J. D. Scheel, J. Schumacher, Supergranule aggregation for constant heat flux-driven turbulent convection, Phys. Rev. Research 3, 013231 (2021)
P. P. Vieweg, C. Schneide, K. Padberg-Gehle, J. Schumacher, Lagrangian heat transport in turbulent three-dimensional convection, Phys. Rev. Fluids 6, L041501 (2021)
S. Moller, C. Resagk, C. Cierpka, Long‑time experimental investigation of turbulent superstructures in Rayleigh–Bénard convection by noninvasive simultaneous measurements of temperature and velocity fields, Exp. Fluids 62, 64 (2021)
M. Bross, S. Scharnowski, C. J. Kähler, Large-scale coherent structures in compressible turbulent boundary layers, J. Fluid Mech. 911, A2 (2021)
R. Baidya, S. Scharnowski, M. Bross, C. J. Kähler, Interactions between a shock and turbulent features in a Mach 2 compressible boundary layer, J. Fluid Mech. 893, A15 (2020)
P. Godbersen, J. Bosbach, D. Schanz, A. Schröder, The beauty of turbulent convection: a particle tracking endeavor, 38th Annual Gallery of Fluid Motion, APS (2020)
G. Haller, S. Katsanoulis, M. Holzner, B. Frohnapfel, D. Gatti, Objective barriers to the transport of dynamically active vector fields, J. Fluid Mech. 905, A17 (2020)
M. M. Neamtu-Halic, D. Krug, J. P. Mollicone, M. van Reeuwijk, G. Haller, M. Holzner, Connecting the time evolution of the turbulence interface to coherent structures, J. Fluid Mech. 898, A3 (2020)
Q. Wang, R. Verzicco, D. Lohse, O. Shishkina, Multiple States in Turbulent Large-Aspect-Ratio Thermal Convection: What Determines the Number of Convection Rolls?, Phys. Rev. Lett. 125, 074501 (2020)
L. Zwirner, A. Tilgner, O. Shishkina, Elliptical Instability and Multiple-Roll Flow Modes of the Large-Scale Circulation in Confined Turbulent Rayleigh-Bénard Convection, Phys. Rev. Lett. 125, 054502 (2020)
K. Fodor, J. P. Mellado, New Insights into Wind Shear Effects on Entrainment in Convective Boundary Layers Using Conditional Analysis, J. Atmos. Sci. 77 (9), 3227–3248 (2020)
D. Gatti, L. von Deyn, P. Forooghi, B. Frohnapfel, Do riblets exhibit fully rough behaviour?, Exp. Fluids 61, 81 (2020)
F. Kaiser, B. Frohnapfel, R. Ostilla-Mónico, J. Kriegseis, On the stages of vortex decay in an impulsively stopped, rotating cylinder, J. Fluid Mech. 885, A6 (2020)
G. Green, D. G. Vlaykov, J. P. Mellado, M. Wilczek,Resolved energy budget of superstructures in Rayleigh-Bénard convection, J. Fluid Mech. 887, A21 (2020)
S. Moller, C. Resagk, C. Cierpka, On the application of neural networks for temperature field measurements using thermochromic liquid crystals, Exp. Fluids 61, 111 (2020)
K. P. Iyer, J. D. Scheel, J. Schumacher, K. R. Sreenivasan, Classical 1/3 scaling of convection holds up to Ra=1e15, Proc. Natl. Acad. Sci. USA 117 (14), 7594-7598 (2020)
P. Berghout, R. J. Dingemans, X. Zhu, R. Verzicco, Direct numerical simulations of spiral Taylor–Couette turbulence, J. Fuid Mech. 887, A18 (2020)
D. Krug, D. Lohse, R. J. A. M. Stevens, Coherence of temperature and velocity superstructures in turbulent Rayleigh–Bénard flow, J. Fluid Mech. 887, A2 (2020)
D. Bakhuis, R. Ezeta, P. Berghout, P. A. Bullee, D. Tai, D. Chung, R. Verzicco, D. Lohse, S. G. Huisman, C. Sun, Controlling secondary flow in Taylor–Couette turbulence through spanwise-varying roughness, J. Fluid Mech. 883, A15 (2020)
A. Blass, X. Zhu, R. Verzicco, D. Lohse, R. J. A. M. Stevens, Flow organization and heat transfer in turbulent wall sheared thermal convection, J. Fluid Mech. 897, A22 (2020)
D. Gatti, A. Remigi, A. Chiarini, A. Cimarelli, M. Quadrio, An efficient numerical method for the generalised Kolmogorov equation, J. Turbul. 20, 457-480 (2019)
E. Dogan, R. Örlü, D. Gatti, R. Vinuesa, P. Schlatter, Quantification of amplitude modulation in wall-bounded turbulence, Fluid Dyn. Res. 51, 011408 (2019)
L. Zwirner, R. Khalilov, I. Kolesnichenko, A. Mamykin, S. Mandrykin, A. Pavlinov, A. Shestakov, A. Teimurazov, P. Frick, O. Shishkina, The influence of the cell inclination on the heat transport and large-scale circulation in liquid metal convection, J. Fliud Mech. 884, A18 (2019)
R. Banisch, P. Koltai, K. Padberg-Gehle,Network measures of mixing, Chaos 29, 063125 (2019)
C. Schneide, M. Stahn, A. Pandey, O. Junge, P. Koltai, K. Padberg-Gehle, J. Schumacher, Lagragrian coherent sets in turbulent Rayleigh-Bénard convection, Phys. Rev. E 100, 053103 (2019)
J. M. Favre, A. Blass, A comparative evaluation of three volume rendering libraries for the visualization of sheared thermal convection, Parallel Comput. 88, 102543 (2019)
P. Berghout, X. Zhu, D. Chung, R. Verzicco, Direct numerical simulations of Taylor–Couette turbulence: the effects of sand grain roughness, J. Fluid Mech. 873, 260-286 (2019)
G. Ibbeken, G. Green, M. Wilczek, Large-Scale Pattern Formation in the Presence of Small-Scale Random Advection, Phys. Rev. Lett. 123, 114501 (2019)
M. M. Neamtu-Halic, D. Krug, G. Haller, M. Holzner, Lagrangian coherent structures and entrainment near the turbulent/non-turbulent interface of a gravity current, J. Fluid Mech. 877, 824-843 (2019)
K. Kokmanian, S. Scharnowski, M. Bross, S. Duvvuri, M. K. Fu, C. J. Kähler, M. Hultmark, Development of a nanoscale hot‑wire probe for supersonic flow applications, Exp. Fluids 60, 150 (2019)
S. Scharnowski, M. Bross, C. J. Kähler, Accurate turbulence level estimations using PIV/PTV, Exp. Fluids 60, 1 (2019)
E.-S. Zanoun, E. Öngüner, C. Egbers, G. Bellani, A. Talamelli, One-Dimensional Flow Spectra and Cumulative Energy from Two Pipe Facilities, Progress in Turbulence VIII, Springer Proc. Phys. 226, 209-214 (2019)
E.-S. Zanoun, C. Egbers, R. Örlü, T. Fiorini, G. Bellani, A. Talamelli, Experimental evaluation of the mean momentum and kinetic energy balance equations in turbulent pipe flows at high Reynolds number, J. Turbul. 20(5), 285-299 (2019)
K. Fodor, J. P. Mellado, M. Wilczek, On the Role of Large-Scale Updrafts and Downdrafts in Deviations From Monin-Obukhov Similarity Theory, Boundary Layer-Meteorol. 172(3), 371-396 (2019)
M. Bross, T. Fuchs, C. J. Kähler, Interaction of coherent flow structures in adverse pressure gradient turbulent boundary layers, J. Fluid Mech. 873, 287-321 (2019)
P. Koltai, H. C. Lie, M. Plonka, Fréchet differentiable drift dependence of Perron-Frobenius and Koopman operators for non-deterministic dynamics, Nonlinearity 32, 4232–4257 (2019)
A. Frasson, M. Ender, S. Weiss, A. Pandey, J. Schumacher, R. Westermann, Visual exploration of circulation rolls in convective heat flows, 2019 IEEE Pacific Visualization Symposium (PacificVis), 202-211 (2019)
A. Ziessler, M. Dellnitz, R. Gerlach, The numerical computation of unstable manifolds for infinite dimensional dynamical systems by embedding techniques, SIAM J. Appl. Dyn. Syst., 18 (3), 1265–1292 (2019)
E. Fonda, A. Pandey, J. Schumacher, K. R. Sreenivasan, Deep learning in turbulent convection networks, Proc. Natl. Acad. Sci. U.S.A. 116 (18), 8667-8672 (2019)
K. Fackeldey, P. Koltai, P. Névir, H. Rust, A. Schild, M. Weber, From metastable to coherent sets— Time-discretization schemes, Chaos 29, 012101 (2019)
C. Vanderwel, A. Stroh, J. Kriegseis, B. Frohnapfel, B. Ganapathisubramani, The instantaneous structure of secondary flows in turbulent boundary layers, J. Fluid Mech. 862, 845-870 (2019)
C. Schneide, A. Pandey, K. Padberg-Gehle, J. Schumacher, Probing turbulent superstructures in Rayleigh-Bénard convection by Lagrangian trajectory clusters, Phys. Rev. Fluids 3, 113501 (2018)
G. Froyland, O. Junge, Robust FEM-based extraction of finite-time coherent sets using scattered, sparse, and incomplete trajectories, SIAM J. Appl. Dyn. Syst. 17 (2), 1891-1924 (2018)
C. Wenzel, J. M. F. Peter, B. Selent, M. B. Weinschenk, U. Rist, M. Kloker, DNS of compressible turbulent boundary layers with adverse pressure gradients, High Performance Computing in Science and Engineering '18 (2018)
C. Kästner, C. Resagk, J. Westphalen, M. Junghähnel, C. Cierpka, J. Schumacher, Assessment of horizontal velocity fields in square thermal convection cells with large aspect ratio, Exp. Fluids 59, 171 (2018)
J. Schumacher, A. Pandey, V. Yakhot, K. R. Sreenivasan, Transition to turbulence scaling in Rayleigh-Bénard convection, Phys. Rev. E 98, 033120 (2018)
L. Zwirner, O. Shishkina, Confined inclined thermal convection in low-Prandtl-number fluids, J. Fluid Mech. 850, 984-1008 (2018)
G. Haller, D. Karrasch, F. Kogelbauer, Material barriers to diffusive and stochastic transport, Proc. Natl. Acad. Sci. U.S.A. 115 (37), 9074-9079 (2018)
D. Oettinger, J. T. Ault, H. A. Stone, G. Haller, Invisible Anchors Trap Particles in Branching Junctions, Phys. Rev. Lett. 121, 054502 (2018)
S. Weiss, X. He, G. Ahlers, E. Bodenschatz, O. Shishkina, Bulk temperature and heat transport in turbulent Rayleigh–Bénard convection of fluids with temperature-dependent properties, J. Fluid Mech. 851, 374-390 (2018)
D. Gatti, A. Stroh, B. Frohnapfel, Y. Hasegawa, Predicting Turbulent Spectra in Drag-reduced Flows, Flow Turbulence Combust. 100, 4, 1081–1099 (2018)
E. Dogan, R. Örlü, D. Gatti, R. Vinuesa, P. Schlatter, Quantification of amplitude modulation in wall-bounded turbulence, Fluid Dyn. Res., early view
P. Koltai, D. R. M. Renger, From Large Deviations to Semidistances of Transport and Mixing: Coherence Analysis for Finite Lagrangian Data, J. Nonlinear Sci. 28, 1-43 (2018)
D. Giannakis, A. Kolchinskaya, D. Krasnov, J. Schumacher, Koopman analysis of the long-term evolution in a turbulent convection cell, J. Fluid Mech. 847, 735-767 (2018)
A. Pandey, J. D. Scheel, J. Schumacher, Turbulent superstructures in Rayleigh-Bénard convection, Nat. Commun. 9, 2118 (2018)
R. J. A. M. Stevens, A. Blass, X. Zhu, R. Verzicco, D. Lohse, Turbulent thermal superstructures in Rayleigh-Bénard convection, Phys. Rev. Fluids 3, 041501 (2018)
D. Feldmann, M. Avila, Overdamped large-eddy simulations of turbulent pipe flow up to Reτ=1500, J. Phys.: Conf. Ser. 1001, 012016 (2018)
D. Feldmann, C. Bauer, C. Wagner, Computational domain length and Reynolds number effects on large-scale coherent motions in turbulent pipe flow, J. Turbul. 19, 274-295 (2018)
F. Hofherr, D. Karrasch, Lagrangian Transport through Surfaces in Compressible Flows, SIAM J. Appl. Dyn. Syst. 17(1), 526-546 (2018)
G. L. Kooij, M. A. Botchev, E. M. A. Frederix, B. J. Geurts, S. Horn, D. Lohse, E. P. van der Poel, O. Shishkina, R. J. A. M. Stevens, R. Verzicco, Comparison of computational codes for direct numerical simulations of turbulent Rayleigh–Bénard convection, Comput. Fluids 166, 1–8 (2018)
K. L. Chong, S. Wagner, M. Kaczorowski, O. Shishkina, K.-Q. Xia, Effect of Prandtl number on heat transport enhancement in Rayleigh–Bénard convection under geometrical confinement, Phys. Rev. Fluids 3, 013501 (2018)
F. J. Beron-Vera, A. Hadjighasem, Q. Xia, M. J. Olascoaga & G. Haller, Coherent Lagrangian swirls among submesoscale motions, Proc. Natl. Acad. Sci. U.S.A., 201701392 (2018)
E.-S. Zanoun, E. Öngüner, A. Shahirpour, S. Merbold, C. Egbers, Spectral Analysis of Large Scale Structures in Fully Developed Turbulent Pipe Flow, Proc. Appl. Math. Mech. 17, 647-650 (2017)
J. D. Scheel, J. Schumacher, Predicting transition ranges to turbulent viscous boundary layers in low Prandtl number convection flows, Phys. Rev. Fluids 2, 123501 (2017)
T. D. Drivas, P. L. Johnson, C. C. Lalescu, M. Wilczek, "Large-scale sweeping of small-scale eddies in turbulence - A filtering approach", Phys. Rev. Fluids 2, 104603 (2017)
R. Banisch, P. Koltai, Understanding the geometry of transport: Diffusion maps for Lagrangian trajectory data unravel coherent sets, Chaos 27, 035804 (2017)
C. Bauer, D. Feldmann, C. Wagner, On the convergence and scaling of high-order statistical moments in turbulent pipe flow using direct numerical simulations, Phys. Fluids 29, 125105 (2017)
K. Padberg-Gehle, C. Schneide, Network-based study of Lagrangian transport and mixing, Nonlin. Processes Geophys. 24, 661-671 (2017)
G. Froyland, P. Koltai, Estimating long-term behavior of periodically driven flows without trajectory integration, Nonlinearity 30, 1948-1986 (2017)