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Review of properties of the system 2-butoxyethanol/water in the vicinity of its lower critical point relevant to an experiment to be carried out under reduced gravity
Affiliation:1. Institut für Raumsimulation der DLR, D-5000 Köln 90, Germany;2. Institut für Physikalische Chemie, Universität Köln, Luxemburger Straße 116, D-5000 Köln 41, Germany;1. Department of Materials Science, Tohoku University, Sendai 980-8579, Japan;2. Research Center for Structural Materials, National Institute for Materials Science (NIMS), Tsukuba 305-0047, Japan;3. Steel Research Laboratory, JFE Steel Co., Kawasaki 210-0855, Japan;1. Institute of Physical and Theoretical Chemistry, Faculty of Chemistry and Pharmacy, University of Regensburg, D-93040 Regensburg, Germany;2. ICSM, Univ. Montpellier, CEA, CNRS, ENSCM, Marcoule, France;3. Materials Science Division, Argonne National Laboratory, Argonne, IL 60439, USA;4. Department of Physics, Northern Illinois University, DeKalb, IL 60115, USA;1. Qingdao University of Technology, School of Information and Control Engineering, Qingdao, Shandong 266525, China;2. State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, China;1. Université Paris-Saclay, INRAE, AgroParisTech, UMR SayFood, 91300 Massy, France;2. CNAM, 2 rue Conté, 75003 Paris, France;3. Université de Lorraine, Ecole Nationale Supérieure des Industries Chimiques, Laboratoire Réactions et Génie des Procédés, 1 rue Grandville, 54000 Nancy, France;4. Université de Pau et des Pays de l′Adour, Laboratoire des Fluides Complexes et leurs Réservoirs, 64000 Pau, France
Abstract:The system 2-butoxyethanol/water is chosen as a transparent model system to study the physics behind the unexpectedly massive separation of coexisting phases in monotectic alloys under microgravity conditions. For that purpose the experiment NUGRO was proposed. It will be carried out during the German Spacelab Mission D-2 with the aim of studying the kinetics of liquid/liquid phase separation in the system 2-butoxyethanol/water. The results obtained in the ground-based research program of NUGRO were used in the planning of the space experiment and will be needed to understand its physics. A review of the ground-based research is given.
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