Near-critical fluids under microgravity : status of the eseme program and perspectives for the iss |
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| Authors: | D Beysens Y Garrabos |
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| Institution: | 1. Department of Translational Oncology, National Center for Tumor Diseases (NCT) and German Cancer Research Center (DKFZ), Im Neuenheimer Feld 460, 69120 Heidelberg, Germany;2. Institute of Pathology, University of Heidelberg, Heidelberg, Germany;1. The McMaster Brain – Body Institute, McMaster University, Hamilton, Ontario L8N 4A6, Canada;2. Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada;3. Department of Medicine, McMaster University, Hamilton, Ontario L8N 4A6, Canada;1. Mechanical Engineering Department, Federal University of Rio Grande do Norte, Natal, Postal code 59077-080, Brazil;2. Combustion Technology, Mechanical Engineering, Eindhoven University of Technology, P.O. Box 513, Eindhoven, 5600 MB, The Netherlands;3. Multiscale Modelling and Simulation, Faculty EEMCS University of Twente, P.O. Box 217, Enschede, 7500 AE, The Netherlands;4. Anisotropic Turbulence, Fluid Dynamics Laboratory, Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, Eindhoven, 5600 MB, The Netherlands |
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| Abstract: | Started 16 years ago, the ESEME program has led to a number of important findings. We note a simple and unified view of phase transitions, which has been applied to the development of biological patterns, and a very fast thermalization mode that we coined the “piston effect”. This effect has been applied to control the cryogenic reservoirs of the Ariane 5 rocket. All these findings have been obtained thanks to the good coordination of the ESA and CNES space facilities and the construction of high technology experimental modules. The future of the program is linked to the CNES DECLIC facility and the ESA Fluid Science Laboratory (FSL). DECLIC has been designed to increase the temperature regulation above the critical point of water (550 K) so as to investigate chemical reactions under conditions of supercritical water, and in relation to the promising applications of waste treatment by supercritical oxidation. Thanks to the construction of a special vibrational Experiment Container for FSL, the thermal and mechanical behavior of fluids under forced vibration can be investigated. The results of such studies will help to estimate the effect of g-jitter on fluids, and control gases and liquids in space. |
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