Search Results - "Eckert, S."

The effect of natural and forced melt convection on dendritic solidification in Ga–In alloys by Shevchenko, N., Roshchupkina, O., Sokolova, O., Eckert, S.

“…The directional solidification of Ga–25wt%In alloys within a Hele-Shaw cell was visualized by means of X-ray radioscopy. The experimental investigations are…”
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Uranium and molybdenum isotope systematics in modern euxinic basins: Case studies from the central Baltic Sea and the Kyllaren fjord (Norway) by Noordmann, J., Weyer, S., Montoya-Pino, C., Dellwig, O., Neubert, N., Eckert, S., Paetzel, M., Böttcher, M.E.

“…Recent investigations have revealed significant fractionation of 238U/235U between organic-rich sediments of anoxic marginal seas and seawater, indicating…”
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Experimental investigation of bubble breakup in bubble chains rising in a liquid metal by Keplinger, O., Shevchenko, N., Eckert, S.

“…•X-ray radiography combined with high-speed video imaging was used to visualize the bubble breakup in bubble chains rising in opaque liquid metals.•The…”
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Simultaneous optical measurement of temperature and velocity fields in solidifying liquids by Anders, S., Noto, D., Tasaka, Y., Eckert, S.

“…We introduce a complex image processing scheme for the simultaneous application of liquid crystal thermometry (LCT), in addition to the previously established…”
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3-D microstructural model of freckle formation validated using in situ experiments by Karagadde, S., Yuan, L., Shevchenko, N., Eckert, S., Lee, P.D.

“…A 3-D model of freckle (solute channel) formation at a microstructural level was coupled with in situ X-ray radiography to investigate the mechanisms of…”
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Carbon and water fluxes from ponderosa pine forests disturbed by wildfire and thinning by Dore, S, Kolb, T. E, Montes-Helu, M, Eckert, S. E, Sullivan, B. W, Hungate, B. A, Kaye, J. P, Hart, S. C, Koch, G. W, Finkral, A

“…Disturbances alter ecosystem carbon dynamics, often by reducing carbon uptake and stocks. We compared the impact of two types of disturbances that represent…”
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Spectral random masking: a novel dynamic masking technique for PIV in multiphase flows by Anders, S., Noto, D., Seilmayer, M., Eckert, S.

“…A novel masking technique for particle image velocimetry (PIV)-analysis of multiphase flows is presented. With this new approach, the velocity-field of an…”
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X-ray Imaging of Two-Phase Flow Regimes in a Liquid Metal Swirling Downward Flow With Side Wall Gas Injection by Timmel, K., Shevchenko, N., Fujita, K., Tsukaguchi, Y., Eckert, S.

“…The formation and behavior of gas bubbles is experimentally investigated in a liquid metal downward pipe flow, a configuration that largely corresponds to the…”
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Predicting concurrent structural mechanical mechanisms during microstructure evolution by Soar, P, Kao, A, Shevchenko, N, Eckert, S, Djambazov, G, Pericleous, K

“…The interdependence between structural mechanics and microstructure solidification has been widely observed experimentally as a factor leading to undesirable…”
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Thermal dependence of large-scale freckle defect formation by Kao, A, Shevchenko, N, Alexandrakis, M, Krastins, I, Eckert, S, Pericleous, K

“…The fundamental mechanisms governing macroscopic freckle defect formation during directional solidification are studied experimentally in a Hele-Shaw cell for…”
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CFD Modeling and Experimental Validation of Top-Submerged-Lance Gas Injection in Liquid Metal by Obiso, D., Akashi, M., Kriebitzsch, S., Meyer, B., Reuter, M., Eckert, S., Richter, A.

“…In the present work, the dynamics of a downward gas injection into a liquid metal bath is studied using a numerical modeling approach, and validated with…”
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The balance between the intronic miR-342 and its host gene Evl determines hematopoietic cell fate decision by Herbst, Friederike, Lang, Tonio J. L., Eckert, Elias S. P., Wünsche, Peer, Wurm, Alexander A., Kindinger, Tim, Laaber, Karin, Hemmati, Shayda, Hotz-Wagenblatt, Agnes, Zavidij, Oksana, Paruzynski, Anna, Lu, Junyan, von Kalle, Christof, Zenz, Thorsten, Klein, Christoph, Schmidt, Manfred, Ball, Claudia R., Glimm, Hanno

“…Protein-coding and non-coding genes like miRNAs tightly control hematopoietic differentiation programs. Although miRNAs are frequently located within introns…”
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Coarsening evolution of dendritic sidearms: From synchrotron experiments to quantitative modeling by Neumann-Heyme, H., Shevchenko, N., Lei, Z., Eckert, K., Keplinger, O., Grenzer, J., Beckermann, C., Eckert, S.

“…The local dynamics of dendritic sidearms during coarsening are studied by combining in-situ radiography observations with numerical and analytical models. A…”
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Surface tension and density of liquid Bi–Pb, Bi–Sn and Bi–Pb–Sn eutectic alloys by Plevachuk, Yu, Sklyarchuk, V., Gerbeth, G., Eckert, S., Novakovic, R.

“…Surface tension and density measurement of liquid Bi 56Pb 44, Bi 43Sn 57 and Bi 46Pb 29Sn 25 eutectic alloys was carried out by using the large drop method…”
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Impact of ankle foot orthosis stiffness on Achilles tendon and gastrocnemius function during unimpaired gait by Choi, Hwan, Peters, Keshia M., MacConnell, Michael B., Ly, Katie K., Eckert, Eric S., Steele, Katherine M.

“…Ankle foot orthoses (AFOs) are designed to improve gait for individuals with neuromuscular conditions and have also been used to reduce energy costs of walking…”
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INVASION OF SAVANNAS BY PROSOPIS TREES IN EASTERN AFRICA: EXPLORING THEIR IMPACTS ON LULC DYNAMICS, LIVELIHOODS AND IMPLICATIONS ON SOIL ORGANIC CARBON STOCKS by Mbaabu, P. R., Schaffner, U., Eckert, S.

“…Trees of the genus Prosopis from the Americas, were introduced in Eastern Africa in the 1970s to mitigate land degradation and its associated disservices…”
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Disability Improvement Is Associated with Less Brain Atrophy Development in Multiple Sclerosis by Ghione, E, Bergsland, N, Dwyer, M G, Hagemeier, J, Jakimovski, D, Ramasamy, D P, Hojnacki, D, Lizarraga, A A, Kolb, C, Eckert, S, Weinstock-Guttman, B, Zivadinov, R

“…It is unknown whether deceleration of brain atrophy is associated with disability improvement in patients with MS. Our aim was to investigate whether patients…”
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Solidification of pure aluminium affected by a pulsed electrical field and electromagnetic stirring by Zhang, Y. H, Räbiger, D, Eckert, S

“…This paper presents experimental investigations on the impact of a pulsed electric current and a travelling magnetic field on the solidification of unalloyed…”
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Visualization of freckle formation induced by forced melt convection in solidifying GaIn alloys by Boden, S., Eckert, S., Gerbeth, G.

“…A bottom-up solidification of a Ga–25 wt.%In alloy under the influence of buoyancy-driven and electromagnetically driven convection was investigated by X-ray…”
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Grain size control in Al–Si alloys by grain refinement and electromagnetic stirring by Metan, V., Eigenfeld, K., Räbiger, D., Leonhardt, M., Eckert, S.

“…The present study concerns the directional solidification of grain-refined and non-refined Al–7 wt.% Si alloys under the influence of a travelling magnetic…”
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