Search Results - "Słomka, Jonasz"

Spontaneous mirror-symmetry breaking induces inverse energy cascade in 3D active fluids by Słomka, Jonasz, Dunkel, Jörn

“…Classical turbulence theory assumes that energy transport in a 3D turbulent flow proceeds through a Richardson cascade whereby larger vortices successively…”
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Bursts Characterize Coagulation of Rods in a Quiescent Fluid by Słomka, Jonasz, Stocker, Roman

“…Under favorable conditions, microscopic phytoplankton cells dwelling in the oceans can divide rapidly and reach high concentrations, forming blooms that span…”
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Controlled motility in the cyanobacterium Trichodesmium regulates aggregate architecture by Pfreundt, Ulrike, Słomka, Jonasz, Schneider, Giulia, Sengupta, Anupam, Carrara, Francesco, Fernandez, Vicente, Ackermann, Martin, Stocker, Roman

“…The ocean's nitrogen is largely fixed by cyanobacteria, including , which forms aggregates comprising hundreds of filaments arranged in organized…”
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A microfluidic platform for characterizing the structure and rheology of biofilm streamers by Savorana, Giovanni, Słomka, Jonasz, Stocker, Roman, Rusconi, Roberto, Secchi, Eleonora

“…Biofilm formation is the most successful survival strategy for bacterial communities. In the biofilm lifestyle, bacteria embed themselves in a self-secreted…”
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On the collision of rods in a quiescent fluid by Słomka, Jonasz, Stocker, Roman

“…Rods settling under gravity in a quiescent fluid can overcome the bottleneck associated with aggregation of equal-size spheres because they collide by virtue…”
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Encounter rates between bacteria and small sinking particles by S omka, Jonasz, Alcolombri, Uria, Secchi, Eleonora, Stocker, Roman, Fernandez, Vicente I

“…The ecological interaction between bacteria and sinking particles, such as bacterial degradation of marine snow particles, is regulated by their encounters…”
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Elongation enhances encounter rates between phytoplankton in turbulence by Arguedas-Leiva, José-Agustín, Słomka, Jonasz, Lalescu, Cristian C, Stocker, Roman, Wilczek, Michael

“…Phytoplankton come in a stunning variety of shapes but elongated morphologies dominate-typically 50% of species have aspect ratio above 5, and bloom-forming…”
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Anomalous Chained Turbulence in Actively Driven Flows on Spheres by Mickelin, Oscar, Słomka, Jonasz, Burns, Keaton J, Lecoanet, Daniel, Vasil, Geoffrey M, Faria, Luiz M, Dunkel, Jörn

“…Recent experiments demonstrate the importance of substrate curvature for actively forced fluid dynamics. Yet, the covariant formulation and analysis of…”
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Encounter rates prime interactions between microorganisms by Słomka, Jonasz, Alcolombri, Uria, Carrara, Francesco, Foffi, Riccardo, Peaudecerf, François J, Zbinden, Matti, Stocker, Roman

“…Properties of microbial communities emerge from the interactions between microorganisms and between microorganisms and their environment. At the scale of the…”
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Fluid flow generates bacterial conjugation hotspots by increasing the rate of shear-driven cell-cell encounters by Zbinden, Matti, Huisman, Jana S, Stocker, Roman, Słomka, Jonasz

“…Conjugation accelerates bacterial evolution by enabling bacteria to acquire genes horizontally from their neighbors. Because plasmid donors must physically…”
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Slower swimming promotes chemotactic encounters between bacteria and small phytoplankton by Foffi, Riccardo, Brumley, Douglas R, Peaudecerf, François, Stocker, Roman, Słomka, Jonasz

“…Chemotaxis enables marine bacteria to increase encounters with phytoplankton cells by reducing their search times, provided that bacteria detect noisy chemical…”
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An optimal complexity spectral method for Navier--Stokes simulations in the ball by Boullé, Nicolas, Słomka, Jonasz, Townsend, Alex

“…We develop a spectral method for solving the incompressible generalized Navier--Stokes equations in the ball with no-flux and prescribed slip boundary…”
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Spontaneous mirror-symmetry breaking induces inverse energy cascade in 3D active fluids by Słomka, Jonasz, Dunkel, Jörn

“…PNAS 114(9): 2119-2124, 2017 Classical turbulence theory assumes that energy transport in a 3D turbulent flow proceeds through a Richardson cascade whereby…”
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Geometry-dependent viscosity reduction in sheared active fluids by Słomka, Jonasz, Dunkel, Jörn

“…Phys. Rev. Fluids 2, 043102 (2017) We investigate flow pattern formation and viscosity reduction mechanisms in active fluids by studying a generalized…”
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Emergent universal statistics in nonequilibrium systems with dynamical scale selection by Heinonen, Vili, Abraham, Abel J, Słomka, Jonasz, Burns, Keaton J, Sáenz, Pedro J, Dunkel, Jörn

“…Pattern-forming nonequilibrium systems are ubiquitous in nature, from driven quantum matter and biological life forms to atmospheric and interstellar gases…”
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Generalized Navier-Stokes equations for active suspensions by Słomka, Jonasz, Dunkel, Jörn

“…We discuss a minimal generalization of the incompressible Navier-Stokes equations to describe the solvent flow in an active suspension. To account…”
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Stokes' second problem and reduction of inertia in active fluids by Słomka, Jonasz, Townsend, Alex, Dunkel, Jörn

“…Phys. Rev. Fluids 3, 103304 (2018) We study a generalized Navier-Stokes model describing the thin-film flows in non-dilute suspensions of ATP-driven…”
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The nature of triad interactions in active turbulence by Słomka, Jonasz, Suwara, Piotr, Dunkel, Jörn

“…J. Fluid Mech. 841: 701-731, 2018 Generalized Navier-Stokes (GNS) equations describing three-dimensional (3D) active fluids with flow-dependent spectral…”
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Encounter rates between bacteria and small sinking particles by Słomka, Jonasz, Alcolombri, Uria, Secchi, Eleonora, Stocker, Roman, Fernandez, Vicente I

“…Bacteria in aquatic environments often interact with particulate matter. A key example is bacterial degradation of marine snow responsible for carbon export…”
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Anomalous chained turbulence in actively driven flows on spheres by Mickelin, Oscar, Słomka, Jonasz, Burns, Keaton J, Lecoanet, Daniel, Vasil, Geoffrey M, Faria, Luiz M, Dunkel, Jörn

“…Phys. Rev. Lett. 120, 164503 (2018) Recent experiments demonstrate the importance of substrate curvature for actively forced fluid dynamics. Yet, the covariant…”
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