Rostock 2019 – wissenschaftliches Programm

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MO: Fachverband Molekülphysik

MO 22: Posters 3: Cluster, Strong Field Physics, and Experimental Techniques

MO 22.20: Poster

Donnerstag, 14. März 2019, 16:15–18:15, S Foyer LLM

Set-up for systematical studies on liquid flatjet systems — •Christina Zindel, Christian Ozga, Andreas Hans, Dana Bloß, Andreas Nehls, Arno Ehresmann, and André Knie — Institut für Physik and CINSaT, University of Kassel, Heinrich-Plett-Str. 40, 34132 Kassel, Germany

Within the last years, liquid microjets were commonly used to study fluids and solutions under vacuum conditions. For various spectroscopic applications however, the required sample thickness is limited to a few micrometers down to nanometers, which is barely achievable with common cylindrical microjets. This problem can be solved by using a so called flatjet system. The collision of two cylindrical jets within their laminar region leads to the formation of liquid sheets, each with an extension in the millimeter range and with a thickness down to a few hundred nanometers. So far, the behavior of these systems is not well understood with regard to different parameters like backing pressure, viscosity and angle of interaction. Here we present a set-up which allows the systematical study of flatjet systems by using a digital light microscope. Additionally, this enables the investigation of its mixing characteristics, i.e. mixing processes within those microjets and liquid sheets.