DOE Final Technical Report for Grant Number DE-FG03-90ER14148
Author(s) -
C. M. Surko
Publication year - 2004
Language(s) - English
Resource type - Reports
DOI - 10.2172/822041
Subject(s) - convection , traveling wave , thermal , chaotic , hexagonal crystal system , binary number , variety (cybernetics) , meteorology , mechanics , geometry , physics , mathematics , chemistry , computer science , mathematical analysis , artificial intelligence , crystallography , arithmetic , statistics
OAK-B135 Thermal convection was studied in a horizontal layer of a binary fluid mixture of ethanol and water confined in a variety of cell geometries. In these mixtures, convection takes the form of traveling waves, thus providing a model for studying traveling-wave (TW) phenomena in non-equilibrium systems. A number of questions were addressed, including the evolution of initially chaotic states, the role of TW domains textures and convection-cell geometry in determining patterns, and the competition of TW and hexagonal patterns when non-Boussinesq effects are important
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