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    • Cloud Microphysics Investigations with the Cloudkite Laboratory 

      Schröder, Marcel (2023-04-14)
      Clouds are crucial to the Earth’s radiation budget and energy balance. Inadequately resolved cloud processes are a major source of uncertainty in weather forecasts and climate prediction. Due to their turbulent nature, ...
    • Directional sensing and chemotaxis in eukaryotic cells - a quantitative study 

      Amselem, Gabriel (2011-09-22)
      We investigate the mechanisms behind eukaryotic chemotaxis using the model organism Dictyostelium discoideum. We propose a theoretical model of directional sensing based on a local ...
    • Dynamics of Suspended Dust Grains: Experimental Investigations and Implications for Protoplanetary Discs 

      Capelo, Holly (2018-05-29)
      The collective interaction of solid particulate matter with flowing gas is one of the fundamental processes occurring in planet-forming discs. Small dust grains and pebbles are comparable to or smaller than the mean ...
    • Experimental Investigation of Micrometric Droplets and Artificial Particles 

      Güttler, Johannes Milan (2022-04-28)
      Clouds and atmospheric particles (e.g. ice crystals, smoke, dust or pollen) heavily influence Earth's energy budget and contribute to the largest uncertainties in climate prediction models. Their treatment involves a huge ...
    • Measurements of Turbulence at High Reynolds Numbers 

      Küchler, Christian (2021-03-18)
      The effective description and fundamental understanding of turbulent flows remains elusive to modern physics despite centuries of research and its great importance in numerous fields. The theoretical difficulties of the ...
    • Moist Rayleigh Benard Convection 

      Prabhakaran, Prasanth (2018-10-19)
      Clouds play an important yet poorly understood role in weather forecasting and climate change. The objective in the present work is to establish a laboratory-scale experiment for simulating clouds in the Earth's atmosphere. ...
    • Oscillatory Dynamics of the Actin Cytoskeleton 

      Westendorf, Christian (2013-10-01)
      The actin cytoskeleton is ubiquitously distributed among eukaryotic organisms and determines the shape and the movement of eukaryotic cells. In single migratory cells, rapid and localized actin polymerization often follows ...
    • Pattern Formation in Spatially Forced Thermal Convection 

      Weiß, Stephan (2010-02-04)
      In this work experimental results on forced thermal convection are presented. Experiments were done in a large aspect ratio cell slightly above the critical temperature difference at which ...
    • Time-Symmetry Breaking in Turbulent Multi-Particle Dispersion 

      Jucha, Jennifer (2014-10-02)
      In fluid dynamics, the term turbulence usually describes a special state of a continuous medium in which many interacting degrees of freedom are excited. Turbulent flows therefore exhibit strong temporal and spatial ...