Search Results - "Heyman, Joris"

TracTrac: A fast multi-object tracking algorithm for motion estimation by Heyman, Joris

“…TracTrac is an open-source Matlab/Python implementation of a robust and efficient object tracking algorithm capable of simultaneously tracking several…”
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A dataset on physico-chemical hyporheic variables in the Selune River: Towards understanding the impact of dam removal on riverbed clogging processes by Ba, Mouhamadoul Moustapha, Heyman, Joris, Rivière, Agnès, Soulayrol, Marc Oliver, Stubbe, Vincent, Meric, Francois, Kergosien, Bruno, Rolland, Pascal, Petton, Chistophe, Lavenant, Nicolas, Kermarrec, Jean Jacques, Crave, Alain

“…This article presents field measurements that document the physical and chemical response of riverbeds to critical hydrological and sedimentary forcing in the…”
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Experimental investigation of high speed granular flows down inclines by Heyman, Joris, Boltenhagen, Philippe, Delannay, Renaud, Valance, Alexandre

“…We report on laterally confined granular flow experiments on steep slopes. We provide evidences for the existence of di_erent flow regimes with secondary…”
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Microscale Chaotic Mixing as a Driver for Chemical Reactions in Porous Media by Sanquer, Hugo, Heyman, Joris, Hanna, Khalil, Le Borgne, Tanguy

“…Mixing-induced reactions play a key role in a large range of biogeochemical and contaminant transport processes in the subsurface. Fluid flow through porous…”
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Fluid-Solid Reaction in Porous Media as a Chaotic Restart Process by Aquino, Tomás, Le Borgne, Tanguy, Heyman, Joris

“…Chemical and biological reactions at fluid-solid interfaces are central to a broad range of porous material applications and research. Pore-scale solute…”
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Mixing as a correlated aggregation process by Heyman, Joris, Borgne, Tanguy Le, Davy, Philippe, Villermaux, Emmanuel

“…Mixing describes the process by which solutes evolve from an initial heterogeneous state to uniformity under the stirring action of a fluid flow. Fluid…”
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Compressibility regularizes the μ(I)-rheology for dense granular flows by Heyman, Joris, Valance, Alexandre, Delannay, Renaud, Tabuteau, Herve

“…The μ(I)-rheology was recently proposed as a potential candidate to model the incompressible flow of frictional grains in the dense inertial regime. However,…”
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Dispersion Versus Diffusion in Mixing Fronts by Rousseau, Gauthier, Izumoto, Satoshi, Le Borgne, Tanguy, Heyman, Joris

“…Mixing fronts form when fluids with different chemical compositions are brought into contact. They influence a large range of biogeochemical processes in…”
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Stretching and folding sustain microscale chemical gradients in porous media by Heyman, Joris, Lester, Daniel R., Turuban, Régis, Méheust, Yves, Le Borgne, Tanguy

“…Fluid flow in porous media drives the transport, mixing, and reaction of molecules, particles, and microorganisms across a wide spectrum of natural and…”
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Enhanced Mixing and Reaction in Converging Flows: Theory and Pore‐Scale Imaging by Izumoto, Satoshi, Heyman, Joris, Huisman, Johan Alexander, De Vriendt, Kevin, Soulaine, Cyprien, Gomez, Francesco, Tabuteau, Hervé, Méheust, Yves, Le Borgne, Tanguy

“…Mixing fronts at the interface of opposing flows are compressed at a constant rate. The resulting exponential stretching of fluid elements leads to enhanced…”
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Measuring Bedload Sediment Transport with an Acoustic Doppler Velocity Profiler by Blanckaert, Koen, Heyman, Joris, Rennie, Colin D

“…AbstractAcoustic Doppler velocity profilers (ADVP) measure the velocity simultaneously in a linear array of bins. They have been successfully used in the past…”
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Pore-Scale Mechanisms for Spectral Induced Polarization of Calcite Precipitation Inferred from Geo-Electrical Millifluidics by Izumoto, Satoshi, Huisman, Johan Alexander, Zimmermann, Egon, Heyman, Joris, Gomez, Francesco, Tabuteau, Hervé, Laniel, Romain, Vereecken, Harry, Méheust, Yves, Le Borgne, Tanguy

“…Spectral induced polarization (SIP) has the potential for monitoring reactive processes in the subsurface. While strong SIP responses have been measured in…”
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Spatiotemporal Variability of Hyporheic Flow in a Losing River Section by Simon, N., Bour, O., Heyman, J., Lavenant, N., Petton, C., Crave, A.

“…Characterizing the spatiotemporal variability of water fluxes at the stream‐groundwater interface is extremely challenging due to the lack of methods for…”
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In Amateur Athletes With Type 1 Diabetes, a 9-Day Period of Cycling at Moderate-to-Vigorous Intensity Unexpectedly Increased the Time Spent in a State of Hyperglycemia, Which Was Associated With Impairment in Heart Rate Variability by Lespagnol, Elodie, Bocock, Olivia, Heyman, Joris, Gamelin, Francois-Xavier, Berthoin, Serge, Pereira, Bruno, Boissière, Julien, Duclos, Martine, Heyman, Elsa

“…In type 1 diabetes, autonomic dysfunction may occur early as a decrease in heart rate variability (HRV). In populations without diabetes, the positive effects…”
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In Amateur Athletes With Type 1 Diabetes, a 9-Day Period of Cycling at Moderate-to-Vigorous Intensity Unexpectedly Increased the Time Spent in Hyperglycemia, Which Was Associated With Impairment in Heart Rate Variability by Lespagnol, Elodie, Bocock, Olivia, Heyman, Joris, Gamelin, François-Xavier, Berthoin, Serge, Pereira, Bruno, Boissière, Julien, Duclos, Martine, Heyman, Elsa

“…In type 1 diabetes, autonomic dysfunction may occur early as a decrease in heart rate variability (HRV). In populations without diabetes, the positive effects…”
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Glycaemic Effects of a 156-km Ultra-trail Race in Athletes: An Observational Field Study by Parent, Cassandra, Mauvieux, Benoît, Lespagnol, Elodie, Hingrand, Corentin, Vauthier, Jean-Charles, Noirez, Philippe, Hurdiel, Rémy, Martinet, Quentin, Delaunay, Pierre-Louis, Besnard, Stéphane, Heyman, Joris, Gabel, Virginie, Baron, Pauline, Gamelin, François-Xavier, Maboudou, Patrice, Rabasa-Lhoret, Rémi, Jouffroy, Romain, Heyman, Elsa

“…Background Ultra-trail running races pose appreciable physiological challenges, particularly for glucose metabolism. Previous studies that yielded divergent…”
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Barriers to Physical Activity in Children and Adults Living With Type 1 Diabetes: A Complex Link With Real-life Glycemic Excursions by Parent, Cassandra, Lespagnol, Elodie, Berthoin, Serge, Tagougui, Sémah, Heyman, Joris, Stuckens, Chantal, Gueorguieva, Iva, Balestra, Costantino, Tonoli, Cajsa, Kozon, Bérengère, Fontaine, Pierre, Weill, Jacques, Rabasa-Lhoret, Rémi, Heyman, Elsa

“…Ever since the first research on barriers to physical activity (PA) highlighting fear of hypoglycemia as a major barrier, many studies have attempted to…”
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Bed load transport over a broad range of timescales: Determination of three regimes of fluctuations by Ma, Hongbo, Heyman, Joris, Fu, Xudong, Mettra, Francois, Ancey, Christophe, Parker, Gary

“…This paper describes the relationship between the statistics of bed load transport flux and the timescale over which it is sampled. A stochastic formulation is…”
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Journal of Geophysical Research: Earth Surface by Heyman, Joris, Ma, Hongbo, Mettra, François, Ancey, Christophe

“…This article examines the spatial dynamics of bed load particles in water. We focus particularly on the fluctuations of particle activity, which is defined as…”
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Dispersion versus diffusion in mixing fronts by Rousseau, Gauthier, Izumoto, Satoshi, Borgne, Tanguy Le, Heyman, Joris

“…Mixing fronts form when fluids with different chemical compositions are brought into contact. They influence a large range of biogeochemical processes in…”
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