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The effect of bubble induced turbulent structures on the mass transfer of non-spherical bubbles
Announce Type: new Abstract: Although mass transfer from bubbles to liquid is essential for the prediction of the efficiency of reactors, the mass transfer from bubbles is not fully understood. To determine the effect of the local velocity profile on the mass transfer for a wobbling bubble with an E\"otv\"os number of 2 and a Morton number of 10-11, 15 simulations were performed with a Front Tracking method using a sub-grid scale model for the mass transfer in the vicinity of the interface....
Tracking Control for a Dynamic Model of an Underwater Submersible
arXiv:2606.05709v1 Announce Type: new Abstract: Underwater vehicles are naturally modelled as rigid bodies on SE(3) subjected to added mass effects. The passivity of the Hamiltonian structure of the system can be exploited to design energy-based stabilising controllers, however, the extension of these control designs to tracking control is not trivial since the error system for the classical error formulations is not itself Hamiltonian. In this paper, we show that a novel choice of error...
The 11 best cozy sci-fi games for those chill cosmic vibes
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The article discusses the unexpected effect of a powerful coronal mass ejection on Mars' atmosphere, which was detected by NASA's MAVEN spacecraft in 2023. The event caused strange "wiggles" in the atmosphere, which were a tell-tale sign of the Zwan-Wolf effect, previously thought to be impossible on Mars. The effect is similar to squeezing toothpaste, and experts were surprised by its occurrence on the Red Planet.
Amplified Arctic iceberg traffic reshapes benthic biodiversity
Abstract The Arctic is undergoing rapid warming, resulting in retreating sea ice and glaciers1, yet how cryospheric changes propagate into the deep ocean remains poorly understood2. Here we identify a climate-driven mechanism linking accelerating glacier disintegration to an increase in deep-sea hard-bottom habitats far beyond calving fronts. Seafloor observations in Fram Strait show a localized increase in the density and patchiness of dropstones delivered by debris-laden icebergs.
Two-component exciton condensates in an electron–hole bilayer
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Bi-S network origin of cation-disorder stability and dispersive band edges in AgBiS2
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Final Fantasy: The Spirits Within was a flop – but 25 years later, it is an exquisite digital relic
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