Spiral Defect Chaos in Large Aspect Ratio Rayleigh-Benard Convection
Authors: Stephen W. Morris (Department of Physics and Center for Nonlinear Science, University of California Santa Barbara, CA 93106-9530), Eberhard Bodenschatz (Department of Physics and Center for Nonlinear Science, University of California Santa Barbara, CA 93106-9530), David S. Cannell (Department of Physics and Center for Nonlinear Science, University of California Santa Barbara, CA 93106-9530), Guenter Ahlers (Department of Physics and Center for Nonlinear Science, University of California Santa Barbara, CA 93106-9530)
Abstract: We report experiments on convection patterns in a cylindrical cell with a large aspect ratio. The fluid had a Prandtl number of approximately 1. We observed a chaotic pattern consisting of many rotating spirals and other defects in the parameter range where theory predicts that steady straight rolls should be stable. The correlation length of the pattern decreased rapidly with increasing control parameter so that the size of a correlated area became much smaller than the area of the cell. This suggests that the chaotic behavior is intrinsic to large aspect ratio geometries.
Explore the paper tree
Click on the tree nodes to be redirected to a given paper and access their summaries and virtual assistant
Look for similar papers (in beta version)
By clicking on the button above, our algorithm will scan all papers in our database to find the closest based on the contents of the full papers and not just on metadata. Please note that it only works for papers that we have generated summaries for and you can rerun it from time to time to get a more accurate result while our database grows.