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pro vyhledávání: '"Jensen, Kaare"'
Autor:
Arnbjerg-Nielsen, Sif F., Biviano, Matthew D., Cazaubiel, Annette, Carlson, Alexander Schødt Andreas, Jensen, Kaare H.
Bristled and membranous insect wings have co-evolved despite apparently serving the same functionality. We emulate flight physics using an automated free-fall experiment to better understand how and why several distinct wing forms may have developed.
Externí odkaz:
http://arxiv.org/abs/2411.09456
Autor:
Biviano, Matthew D., Jensen, Kaare H.
Leaves shed by deciduous trees contain 40\% of the annually sequestered carbon, and include nutrients vital to the expansion and health of forest ecosystems. To achieve this, leaves must fall quickly to land near the parent tree -- otherwise, they ar
Externí odkaz:
http://arxiv.org/abs/2409.05514
In this study, we investigate the dynamics of particles overcoming the hydrodynamic barrier posed by a thin fluid film to achieve contact in finite time, a phenomenon critical in various natural and engineered processes such as enzyme docking, cataly
Externí odkaz:
http://arxiv.org/abs/2408.02443
Soft intertwined channel systems are frequently found in fluid flow networks in nature. The passage geometry of these systems can deform due to fluid flow, which can cause the relationship between flow rate and pressure drop to deviate from Hagen-Poi
Externí odkaz:
http://arxiv.org/abs/2312.04310
Exploring fluid-structure interactions is essential for understanding the physical principle underlying flow control in biological and man-made systems. Traditionally, we assume that the geometry is known, and from it, the solution to the coupled ela
Externí odkaz:
http://arxiv.org/abs/2310.08077
Autor:
Martinez-Calvo, Alejandro, Biviano, Matthew D, Christensen, Anneline, Katifori, Eleni, Jensen, Kaare H., Ruiz-Garcia, Miguel
Fluid flow networks are ubiquitous and can be found in a broad range of contexts, from human-made systems such as water supply networks to living systems like animal and plant vasculature. In many cases, the elements forming these networks exhibit a
Externí odkaz:
http://arxiv.org/abs/2303.10777
Akademický článek
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Autor:
Louf, Jean-François, Zheng, Yi, Kumar, Aradhana, Bohr, Tomas, Gundlach, Carsten, Harholt, Jesper, Poulsen, Henning Friis, Jensen, Kaare H.
Publikováno v:
Phys. Rev. E 98, 042403 (2018)
We describe imbibition in real and artificial plant seeds, using a combination of experiments and theory. In both systems, our experiments demonstrate that liquid permeates the substrate at a rate which decreases gradually over time. Tomographic imag
Externí odkaz:
http://arxiv.org/abs/1806.07663
Publikováno v:
Nature Plants 3, 17032 (2017)
Vascular plants rely on differences of osmotic pressure to export sugars from regions of synthesis (mature leaves) to sugar sinks (roots, fruits). In this process, known as M\"unch pressure flow, the loading of sugars from photosynthetic cells to the
Externí odkaz:
http://arxiv.org/abs/1709.06145